Attia Rehman, a 5th semester BS Zoology student, presented on identifying freshwater fish species in the Chenab River in Punjab, Pakistan using a dichotomous key. The presentation introduced freshwater fish, defined a dichotomous key, and provided a key identifying 6 fish species found in the area based on images of their heads, bodies, and scales. Data was collected on 915 images of the 6 species from local farms and rivers to develop the identification tool.
Introduction:
Adaptation to environment is one of the basic characteristics of the living organisms. Living organisms are plastic and posses the inherent properties to respond to a particular environment.
It is a facet of evolution and involve structural diversities amongst living organisms that are heritable. Organisms exhibit numerous structural and functional adaptations that help them to survive as species and to overcome the tremendous competition in nature.
All classes of vertebrates have their representatives leading to partial or total aquatic life.
Water is a homogenous medium for animals.
As a medium, it is heavy in concentration than air.
Stable gaseous and osmotic concentration in a specific region.
Temperature fluctuation is minimum for a particular region.
Water bodies generally have very rich food resources.
Characters of an Aquatic Animal:
An aquatic animal should have the ability to swim to overcome the resistance of the surrounding medium.
Therefore, it should have a streamlined body with an organ or ability to float.
The animal should also have to overcome the problem of osmoregulation.
There are two types of animals living in the present day water, which have undergone aquatic adaptation.
According to their origin, they are primary and secondary aquatic animals.
Adaptations to water habitat are of two types:
Primary aquatic adaptations which includes primitive gill-breathing vertebrates (fishes); Those animals, whose ancestors and themselves are living in the water from the very beginning of their evolution, are called primary aquatic animals. In other words, primary aquatic animals never had a terrestrial ancestry. They exhibit perfect aquatic adaptations. All fishes are primary aquatic animals.
Secondary aquatic adaptations which are acquired as in reptiles, birds and mammals. Those animals whose ancestors were lung breathing land animals, migrated to the water for some reason and ultimately got adapted to live in aquatic habitat, are called secondary aquatic animals. Some of them live partially while others live totally in the water. All aquatic reptiles, aves and mammals are representatives of secondary aquatic animals. Amphibians are in a transitional form between primary and secondary aquatic life.
Sensory adaptations like, electroreception for electrolocation and electro communication, olfaction (vomeronasal system), balance (spatial orientation, movement perception), vision (cornea curvature, retinal topography), and hearing (acoustics, ear anatomy) under the underwater sound reception mechanisms in various aquatic amniotes are well developed.
Iczn(The International Commission on Zoological Nomenclature )Al Nahian Avro
The International Commission on Zoological Nomenclature (ICZN) acts as adviser and arbiter for the zoological community by generating and disseminating information on the correct use of the scientific names of animals. The ICZN is responsible for producing the International Code of Zoological Nomenclature - a set of rules for the naming of animals and the resolution of nomenclatural problems.
Introduction:
Adaptation to environment is one of the basic characteristics of the living organisms. Living organisms are plastic and posses the inherent properties to respond to a particular environment.
It is a facet of evolution and involve structural diversities amongst living organisms that are heritable. Organisms exhibit numerous structural and functional adaptations that help them to survive as species and to overcome the tremendous competition in nature.
All classes of vertebrates have their representatives leading to partial or total aquatic life.
Water is a homogenous medium for animals.
As a medium, it is heavy in concentration than air.
Stable gaseous and osmotic concentration in a specific region.
Temperature fluctuation is minimum for a particular region.
Water bodies generally have very rich food resources.
Characters of an Aquatic Animal:
An aquatic animal should have the ability to swim to overcome the resistance of the surrounding medium.
Therefore, it should have a streamlined body with an organ or ability to float.
The animal should also have to overcome the problem of osmoregulation.
There are two types of animals living in the present day water, which have undergone aquatic adaptation.
According to their origin, they are primary and secondary aquatic animals.
Adaptations to water habitat are of two types:
Primary aquatic adaptations which includes primitive gill-breathing vertebrates (fishes); Those animals, whose ancestors and themselves are living in the water from the very beginning of their evolution, are called primary aquatic animals. In other words, primary aquatic animals never had a terrestrial ancestry. They exhibit perfect aquatic adaptations. All fishes are primary aquatic animals.
Secondary aquatic adaptations which are acquired as in reptiles, birds and mammals. Those animals whose ancestors were lung breathing land animals, migrated to the water for some reason and ultimately got adapted to live in aquatic habitat, are called secondary aquatic animals. Some of them live partially while others live totally in the water. All aquatic reptiles, aves and mammals are representatives of secondary aquatic animals. Amphibians are in a transitional form between primary and secondary aquatic life.
Sensory adaptations like, electroreception for electrolocation and electro communication, olfaction (vomeronasal system), balance (spatial orientation, movement perception), vision (cornea curvature, retinal topography), and hearing (acoustics, ear anatomy) under the underwater sound reception mechanisms in various aquatic amniotes are well developed.
Iczn(The International Commission on Zoological Nomenclature )Al Nahian Avro
The International Commission on Zoological Nomenclature (ICZN) acts as adviser and arbiter for the zoological community by generating and disseminating information on the correct use of the scientific names of animals. The ICZN is responsible for producing the International Code of Zoological Nomenclature - a set of rules for the naming of animals and the resolution of nomenclatural problems.
In aquatic animals such as fish respiration takes place through special respiratory organs called gills, however lung fish respiration takes place through lungs. Gills are present on both the sides of the head of fish. The gills are covered by gill covers also called operculum. When the fish open its mouth, water is drawn into the buccal cavity and passed through the gills. The gills contain special type of cells that absorb the oxygen present in water. The absorbed oxygen is then supplied to all the cells of body through blood. In the cells, oxygen is converted into carbon dioxide and returned back to gills through blood. Ultimately, the gills release the carbon dioxide in water passing through them.
Respiration in Fish
The gills of fish are very efficient; it is estimated gills can extract about 80% oxygen dissolved in water. In addition to the respiratory organs, the gills have an important role in maintaining the right balance of salts in the body.
Taxonomic Collections, Preservation and Curating of InsectsKamlesh Patel
Taxonomy: Taxonomy is the science of defining and naming groups of biological organisms on the basis of shared characteristics.
The classification of organisms is according to hierarchal system or in taxonomic ranks (eg; domain, kingdom, phylum class, order, family, genus and species) based on phylogenetic relationship established by genetic analysis.
Taxonomic Collection : Biological collection are typically preserved plant or animals specimens along with specimen documentations such as labels and notations.
Dry Collection - Dry collections consist of those specimens that are preserved in a dry state.
Wet Collection - Wet collections are specimens kept in a liquid preservative to prevent their deterioration.
Induced breeding is a technique where organism is stimulated by particular hormone or other synthetic hormone or by providing condition, introduced to breed in captive condition.
One major challenge is the time consumed by the interplay between the taxonomist and the publisher in preparing taxonomic data and going to print. Breaking this bottleneck requires seamless integration between compilation of the descriptive taxonomic data and the publication upon which the data are based
ORIGIN OF CHORDATES
Animal kingdom is basically divided into two sub kingdoms:
Non-chordata- including animals without notochord.
Chordata- This comprising animals having notochord or chorda dorsalis.
Chordates were evolved sometime 500 million years ago during Cambrian period (invertebrates were also began to evolve in this period) .
Chamberlain (1900) pointed out that all modern chordates possess glomerular kidneys that are designed to remove excess water from body.
It is believed that Chordates have originated from invertebrates.
It is difficult to determine from which invertebrate group the chordates were developed.
Chordate ancestors were soft bodied animals. Hence they were not preserved as Fossils.
However, early fossils of chordates have all been recovered from marine sediments and even modern protochordates are all marine forms.
Also glomerular kidneys are also found in some marine forms such as myxinoids and sharks. That makes the marine origin of chordates more believable.
Chordates evolved from some deuterostome ancestor (echinoderms, hemichordates, pogonophorans etc.) as they have similarities in embryonic development, type of coelom and larval stages.
Many theories infers origin of chordates, hemichordates and echinoderms from a common ancestor.
Puffer fish belonging to the family tetraodontidae are usually distributed in the shallow waters. During investigation in stations viz. Marina Park, Chidiyatapu and Burmanullah, around Andaman, five species from genus Arothron and two from Canthigaster have been recorded and were mostly found to prefer coral reefs and rock crevices, with the exception of Arothron immaculatus, which was found to be present in the open waters and it confined to sandy bottom substrate with patches of sea grasses around them. These fishes were found to be most diverse and abundant in Chidiyatapu with the Margelef’s Richness Index of 2.49, Shannon-Wiener index of 1.05 and Pielou’s evenness index of 0.96. Biometric analysis results demonstrate that they have shown an isometric growth. The individuals collected were mostly lying in the length group of 120-160 mm. Gut content analysis of A. Immaculatus reveals that the fish feed mainly on molluscs and sea urchin and the other food items were shrimps, crabs, sponges, micro algae, foraminiferans etc. gastro-somatic index, hepato-somatic index and gonado-somatic indices were also calculated to throw light upon the feeding behavior and reproductive maturity of the fishes. Most of the individuals were found to be in the developing stage of maturity.
In aquatic animals such as fish respiration takes place through special respiratory organs called gills, however lung fish respiration takes place through lungs. Gills are present on both the sides of the head of fish. The gills are covered by gill covers also called operculum. When the fish open its mouth, water is drawn into the buccal cavity and passed through the gills. The gills contain special type of cells that absorb the oxygen present in water. The absorbed oxygen is then supplied to all the cells of body through blood. In the cells, oxygen is converted into carbon dioxide and returned back to gills through blood. Ultimately, the gills release the carbon dioxide in water passing through them.
Respiration in Fish
The gills of fish are very efficient; it is estimated gills can extract about 80% oxygen dissolved in water. In addition to the respiratory organs, the gills have an important role in maintaining the right balance of salts in the body.
Taxonomic Collections, Preservation and Curating of InsectsKamlesh Patel
Taxonomy: Taxonomy is the science of defining and naming groups of biological organisms on the basis of shared characteristics.
The classification of organisms is according to hierarchal system or in taxonomic ranks (eg; domain, kingdom, phylum class, order, family, genus and species) based on phylogenetic relationship established by genetic analysis.
Taxonomic Collection : Biological collection are typically preserved plant or animals specimens along with specimen documentations such as labels and notations.
Dry Collection - Dry collections consist of those specimens that are preserved in a dry state.
Wet Collection - Wet collections are specimens kept in a liquid preservative to prevent their deterioration.
Induced breeding is a technique where organism is stimulated by particular hormone or other synthetic hormone or by providing condition, introduced to breed in captive condition.
One major challenge is the time consumed by the interplay between the taxonomist and the publisher in preparing taxonomic data and going to print. Breaking this bottleneck requires seamless integration between compilation of the descriptive taxonomic data and the publication upon which the data are based
ORIGIN OF CHORDATES
Animal kingdom is basically divided into two sub kingdoms:
Non-chordata- including animals without notochord.
Chordata- This comprising animals having notochord or chorda dorsalis.
Chordates were evolved sometime 500 million years ago during Cambrian period (invertebrates were also began to evolve in this period) .
Chamberlain (1900) pointed out that all modern chordates possess glomerular kidneys that are designed to remove excess water from body.
It is believed that Chordates have originated from invertebrates.
It is difficult to determine from which invertebrate group the chordates were developed.
Chordate ancestors were soft bodied animals. Hence they were not preserved as Fossils.
However, early fossils of chordates have all been recovered from marine sediments and even modern protochordates are all marine forms.
Also glomerular kidneys are also found in some marine forms such as myxinoids and sharks. That makes the marine origin of chordates more believable.
Chordates evolved from some deuterostome ancestor (echinoderms, hemichordates, pogonophorans etc.) as they have similarities in embryonic development, type of coelom and larval stages.
Many theories infers origin of chordates, hemichordates and echinoderms from a common ancestor.
Puffer fish belonging to the family tetraodontidae are usually distributed in the shallow waters. During investigation in stations viz. Marina Park, Chidiyatapu and Burmanullah, around Andaman, five species from genus Arothron and two from Canthigaster have been recorded and were mostly found to prefer coral reefs and rock crevices, with the exception of Arothron immaculatus, which was found to be present in the open waters and it confined to sandy bottom substrate with patches of sea grasses around them. These fishes were found to be most diverse and abundant in Chidiyatapu with the Margelef’s Richness Index of 2.49, Shannon-Wiener index of 1.05 and Pielou’s evenness index of 0.96. Biometric analysis results demonstrate that they have shown an isometric growth. The individuals collected were mostly lying in the length group of 120-160 mm. Gut content analysis of A. Immaculatus reveals that the fish feed mainly on molluscs and sea urchin and the other food items were shrimps, crabs, sponges, micro algae, foraminiferans etc. gastro-somatic index, hepato-somatic index and gonado-somatic indices were also calculated to throw light upon the feeding behavior and reproductive maturity of the fishes. Most of the individuals were found to be in the developing stage of maturity.
Introduction of Fish and Fisheries of India.
• Freshwater Fish: Fish that spend most or all of their life in freshwaters, such as rivers and lakes, having a salinity of less than 0.5 ppt. Around 40% of all known species of
fish are found in freshwater.
They may be divided into Coldwater Fish (5-20 °C); examples: Mahseer, Trout, etc., and Warmwater Fish (25 35 °C); example: Carps, Catfish, Snakeheads, Featherbacks, etc.
• Brackishwater Fish: Fish that can tolerate a wide range of salinity (0.5 30.0 ppt)
and live in backwaters, estuaries and coastal waters.
Example: Mullet, Milkfish, Seabass, Pearlspot, Mudskipper, etc.
• Marine Fish: Fish that spend most or all of their life in seawater, such as Seas and
Oceans, having salinity above 30 ppt. There are about 240 species contributing to
the marine fisheries. Example: Sardines, Mackerel, Ribbonfish, Anchovies, Grouper, Cobia, Tuna, etc.
Prospectives and Problems of Conservation, Development and Management of Clam...ijtsrd
Bhatye estuary, Ratnagiri is known for its mussel and clam fishery. Clam fishery is primarily supported by Meretrix meretrix, Katelysia opima and Paphia laterisulea. The clam fishery lasts for about 8 – 10 months. During lean period of open sea fishery, it provides protein rich food and livelihood to local population... Its shells are utilized as raw material in lime and cement cottage industries. Considering its food and economic value they are over exploited. In the present study, economic and food value of clams, clam fishery, management and conservation aspects are discussed. Sanjay Kumbhar "Prospectives and Problems of Conservation, Development and Management of Clam Resource in the Bhatye Estuary Ratnagiri, Maharashtra, India" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-3 , April 2020, URL: https://www.ijtsrd.com/papers/ijtsrd30593.pdf Paper Url :https://www.ijtsrd.com/biological-science/zoology/30593/prospectives-and-problems-of-conservation-development-and-management-of-clam-resource-in-the-bhatye-estuary-ratnagiri-maharashtra-india/sanjay-kumbhar
Possible Alternative Uses Of Underutilized Fish And Marine Genetic Resources ...apaari
Possible Alternative Uses Of Underutilized Fish And Marine Genetic Resources (FMGR) by Chamari Dissanayake (PhD), University of Sri Jayewardenepura, Sri Lanka, Presented during the Regional Workshop on Underutilized Fish and Marine Genetic Resources and their Amelioration, 10-12 July 2019, Location: Colombo, Sri Lanka
Biodiversity Status of Fishes from Vettathukadavu, Kayamkulam Backwater, Keralapaperpublications3
Abstract: The fishes are one of the most important, vertebrate, provided rich protein sources for human and several animals and important elements in the economy of many countries. Fish diversity essentially represents the fish faunal diversity. The survey was undertaken during the period from February 2016 to july 2016 in the region of Vettathukadavu, in Kayamkulam backwater, Kerala. The major objective of this study was to find out the biodiversity status of fishes in the Vettathukadavu region of Kayamkulam backwater, Kerala. Conservation status of fishes was assessed by IUCN Conservation status. The Survey of the studied stretch of backwater were resulted in recording of 25 fish species belonging to 6 orders and 15 familes. Of the 25 species reported during the study, 15 are least concern, 1 is critically endangered, 1 is vulnerable, 6 species are not evaluated and 2 species are not reported in IUCN Red.
Keywords: Icthyofauna, Biodiversity, IUCN, Endangered.
Title: Biodiversity Status of Fishes from Vettathukadavu, Kayamkulam Backwater, Kerala
Author: Remya.R, Dr. S.Amina
ISSN 2349-7823
International Journal of Recent Research in Life Sciences (IJRRLS)
Paper Publications
Analysis of DNA Content of Wild and Cultured Labeo Calbasu Hamilton, 1822 Usi...ijtsrd
Labeo calbasu is an important food fish and commonly known as the "calbasu" or "Black Rohu". The present study was conducted on DNA extraction and determination of DNA quantity of both male and female of wild and cultured Labeo calbasu using Nanophotometer. DNA isolation was done and gel electrophoresis was carried out. Extracted DNA was analyzed using nanophotometer Nanophotometer P330 Implen, Germany to determine the concentration of DNA and its purity level. Several different methods have been employed in the quantification of nuclear DNA over the past 50 years. The ease of use of this technique not only makes it a feasible option for small volume analysis of DNA but also a practical alternative for spectrophotometric measurement. Significant progress was made to measure micro volume liquid samples 1µl in biotechnology and pharmaceutical applications. For the present study both male and female of wild Labeo calbasu from middle Ganga Region and cultured Labeo calbasu from culture ponds and hatchery were taken. The value of DNA concentration in female of wild Labeo calbasu was in between 58 -62 ng µl and of male was in between range of 64- 68 ng µl. The value of DNA concentration in female of cultured Labeo calbasu was 60- 66 ng µl and of male 68- 74 ng µl. Nisha Rana | Seema Jain "Analysis of DNA Content of Wild and Cultured Labeo Calbasu (Hamilton, 1822) Using Nanophotometer" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-1 , December 2018, URL: http://www.ijtsrd.com/papers/ijtsrd19105.pdf
http://www.ijtsrd.com/biological-science/zoology/19105/analysis-of-dna-content-of-wild-and-cultured-labeo-calbasu-hamilton-1822-using-nanophotometer/nisha-rana
Studies the physico-chemical parameters of water, soil and the nutritional va...ijtsrd
India is a high speed population growing country and present population of India is about 127 crores. Among them a huge number of our children have been suffering from mal-nutritional diseases. They need protein feed and molluscs meat especially cephalopods meat is a good source of protein. India harvested 1.73 lakh tones of cephalopods, 0.04 lakh tones of bivalves and 0.02 tones of gastropods from Indian marine resources like Arabian sea, Bay of Bengal and Indian Ocean in the year 2013-2014. The people of southern states of India consume molluscs meat in huge quantity as their everyday protein resource food. The local poor people at Digha eat occasionally only cephalopods meat. From our study for about last 4 years we get 12 bivalves species belonging to 5 orders, 6 families and 8 genera out of 54 available bivalves species, 2 gastropods species belonging to 2 orders, 2 families and 2 genera out of 35 available gastropods species and 4 cephalopods species belonging to 3 orders, 3 families and 4 genera out of 4 available cephalopods species are edible. Manotosh Das | Maity Joydev"Studies the physico-chemical parameters of water, soil and the nutritional values of edible cephalopods found at Digha coast, West Bengal, India" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-1 | Issue-6 , October 2017, URL: http://www.ijtsrd.com/papers/ijtsrd2253.pdf http://www.ijtsrd.com/other-scientific-research-area/other/2253/studies-the-physico-chemical-parameters-of-water-soil-and-the-nutritional-values-of-edible-cephalopods-found-at-digha-coast-west-bengal-india/manotosh-das
Golden Masheer (Tor putitora): Pakistan’s National Fishmeemail377
The golden mahseer (Tor putitora) is a large and striking freshwater fish species known for its golden scales and impressive size. Native to rivers and freshwater systems in South Asia and Southeast Asia, it is particularly abundant in the Himalayan region, including rivers in Pakistan, India, Nepal, and Bhutan. This species is highly valued by anglers for its strength and fighting ability, making it a popular target for sport fishing. However, overfishing and habitat destruction have led to population declines in many areas, prompting conservation efforts to protect this iconic species. The golden mahseer is an important cultural and ecological symbol in the region, playing a significant role in local ecosystems and traditional fishing practices.
Business Valuation Principles for EntrepreneursBen Wann
This insightful presentation is designed to equip entrepreneurs with the essential knowledge and tools needed to accurately value their businesses. Understanding business valuation is crucial for making informed decisions, whether you're seeking investment, planning to sell, or simply want to gauge your company's worth.
RMD24 | Debunking the non-endemic revenue myth Marvin Vacquier Droop | First ...BBPMedia1
Marvin neemt je in deze presentatie mee in de voordelen van non-endemic advertising op retail media netwerken. Hij brengt ook de uitdagingen in beeld die de markt op dit moment heeft op het gebied van retail media voor niet-leveranciers.
Retail media wordt gezien als het nieuwe advertising-medium en ook mediabureaus richten massaal retail media-afdelingen op. Merken die niet in de betreffende winkel liggen staan ook nog niet in de rij om op de retail media netwerken te adverteren. Marvin belicht de uitdagingen die er zijn om echt aansluiting te vinden op die markt van non-endemic advertising.
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Discover the innovative and creative projects that highlight my journey through Full Sail University. Below, you’ll find a collection of my work showcasing my skills and expertise in digital marketing, event planning, and media production.
The world of search engine optimization (SEO) is buzzing with discussions after Google confirmed that around 2,500 leaked internal documents related to its Search feature are indeed authentic. The revelation has sparked significant concerns within the SEO community. The leaked documents were initially reported by SEO experts Rand Fishkin and Mike King, igniting widespread analysis and discourse. For More Info:- https://news.arihantwebtech.com/search-disrupted-googles-leaked-documents-rock-the-seo-world/
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Cracking the Workplace Discipline Code Main.pptxWorkforce Group
Cultivating and maintaining discipline within teams is a critical differentiator for successful organisations.
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"𝑩𝑬𝑮𝑼𝑵 𝑾𝑰𝑻𝑯 𝑻𝑱 𝑰𝑺 𝑯𝑨𝑳𝑭 𝑫𝑶𝑵𝑬"
𝐓𝐉 𝐂𝐨𝐦𝐬 (𝐓𝐉 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬) is a professional event agency that includes experts in the event-organizing market in Vietnam, Korea, and ASEAN countries. We provide unlimited types of events from Music concerts, Fan meetings, and Culture festivals to Corporate events, Internal company events, Golf tournaments, MICE events, and Exhibitions.
𝐓𝐉 𝐂𝐨𝐦𝐬 provides unlimited package services including such as Event organizing, Event planning, Event production, Manpower, PR marketing, Design 2D/3D, VIP protocols, Interpreter agency, etc.
Sports events - Golf competitions/billiards competitions/company sports events: dynamic and challenging
⭐ 𝐅𝐞𝐚𝐭𝐮𝐫𝐞𝐝 𝐩𝐫𝐨𝐣𝐞𝐜𝐭𝐬:
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"𝐄𝐯𝐞𝐫𝐲 𝐞𝐯𝐞𝐧𝐭 𝐢𝐬 𝐚 𝐬𝐭𝐨𝐫𝐲, 𝐚 𝐬𝐩𝐞𝐜𝐢𝐚𝐥 𝐣𝐨𝐮𝐫𝐧𝐞𝐲. 𝐖𝐞 𝐚𝐥𝐰𝐚𝐲𝐬 𝐛𝐞𝐥𝐢𝐞𝐯𝐞 𝐭𝐡𝐚𝐭 𝐬𝐡𝐨𝐫𝐭𝐥𝐲 𝐲𝐨𝐮 𝐰𝐢𝐥𝐥 𝐛𝐞 𝐚 𝐩𝐚𝐫𝐭 𝐨𝐟 𝐨𝐮𝐫 𝐬𝐭𝐨𝐫𝐢𝐞𝐬."
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3. AREA OF RESEARCH IN PAKISTAN:
CHENABRIVER IN PUNJAB
INTRODUCTION OF FRESH WATER FISHES
DICHOTOMOUS KEY
SPECIES FOUND IN THAT AREA
TABLE
4. DICHOTOMOUS KEY:
Definition:
“A dichotomous key is an important scientific tool,
used to identify different organisms, based on
observable traits”
• Dichotomous key is a tool that allows the user to
determine the identity of items and organisms in natural
world.
• It offers a user a quick and easy way of identifying
unknown organisms.
5. FRESH WATER FISHES OF PAKISTAN
INTRODUCTION:
• It is a diverse group of animals that live and breathe in water. All fishes
are vertebrates.
• Fish is a cold-blooded aquatic organism that breathes with gills and swims with
fins.
• In pakistan, 531 species of fish have been identified, among which 233 are
freshwater and the remaining 298 are marine fish species
FRESH WATER FISH:
• Fish that spend most or all of their life in freshwaters, such as rivers and lakes,
having a salinity of less than 0.5 ppt. around 40% of all known species of fish are
found in freshwater.
• They are found in fresh water bodies such as river, lakes, ponds etc.
6. FISHES OF CHENAB RIVER IN PUNJAB:
• Fishes are most diverse group of vertebrates with more than 33000 species. These are identified based on several visual
characters including their shape, color and head. It is difficult for the common people to directly identify the fish species
found in the market, classifying fish species from images based on visual characteristics using computer vision and
machines.
• This key has located six different species of fishes in the head qadirabad, chenab river in punjab, pakistan.
• This classification is based on visual features of six different species i.e
CTENOPHARYNGODON IDELLA (GRASS CARP), CYPRINUS CARPIO (COMMON CARP), CIRRHINUS MRIGALA (MORI),
LABEO ROHITA (ROHU), HYPOPHTHALMICHTHYS MOLITRIX (SILVER CARP), AND CATLA (THALA).
7. DATA COLLECTION:
• A dataset of 6 different fish species i.e. ctenopharyngodon idella (grass carp), cyprinus carpio
(common carp), cirrhinus mrigala (mori), labeo rohita (rohu), hypophthalmichthys molitrix
(silver carp), and catla (thala), containing 915 images, popular for fish farming in the tropical areas of
world including pakistan.
• This dataset is type of multiclass containing 3 dominant features of fish species (body, head and scale).
• Dataset include 36 grass carp images of different poses (body, head, and scale) and that 36 images of
grass carp taken from the 5 different local farms located near head qadirabad, punjab.
• Similarly, common carp (158 images), mori (241 images) and rohu (249 images) were captured manually
from 3 different positions at the river of chenab, punjab, pakistan.
• The remaining images of fish dataset considering silver carp (175 images) and thala (56 images) were
obtained from the marala head works, sialkot, punjab with 3 different positions.
