Classification and Nomenclature of Fish-2B.pptx
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This document discusses the classification of different types of fish and provides examples of each group. It begins by outlining the typical classification levels from kingdom to species. It then defines nomenclature as the system for naming things in biology, particularly the binomial nomenclature system of giving organisms a genus and species name. The document also introduces the International Code of Zoological Nomenclature (ICZN) as the governing body for the formal scientific naming of animals. The main text then describes the five main classifications of fish: hagfish, lampreys, cartilaginous fish, ray-finned bony fish, and lobe-finned bony fish, providing one example species for each group along with its
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1) Fishes are cold-blooded aquatic vertebrates that first evolved in the Silurian period and increased in number during the Devonian period.
2) They have a streamlined body with scales or plates, paired and unpaired fins, breathe through gills, and vary greatly in size.
3) Fishes are classified into three classes - Placodermi, Elasmobranchii, and Osteichthyes - based on their skeleton composition and other features.
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diversity in living organisms
This document provides an overview of the classification of animals in the animal kingdom. It discusses the major taxonomic groups from the lowest level of Porifera to the highest level of mammals. Key points include:
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Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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- 2. CLASSIFICATION? The order for classification goes • Kingdom • Phylum • Class • Order • Family • Genus • Species
- 3. Nomenclature all about? • Nomenclature comes from the Latin word "The assigning of names"" • Nomenclature is a system for giving names to things within a particular profession or field. For instance, you may have heard of binomial nomenclature in biology class. It refers to the way of referring to living things by two names.
- 4. WHAT IS ICZN? The International Code of Zoological Nomenclature (ICZN) is a widely accepted convention in zoology that rules the formal scientific naming of organisms treated as animals. It is also informally known as the ICZN Code.
- 5. 1. Hagfish 2.Lampreys 3.Cartilaginous fish 4.Ray-finned bony fish 5.Lobe-finned bony fish 5 classification of Fish
- 6. 1.) HAGFISH > This fish are called " knot fish" Also known as "slime eels" >They do this to rid thier skin to excess slime and to gain lever age so they can enter into the anus of the dead fish upon which the scavenger.
- 7. Myxine Glutinosa Kingdom: Animalia Phylum: Chordata Class:Myxini Order: Myxiniformes Family: Myxinidae Genus:Myxine Species: Myxine Glutinosa
- 8. 2.) LAMPREYS • An eel like aquatic jawless vertebrate that has a sucker mouth with horny teeth and a rasping tongue. The adult is often parasitic , attaching itself to other fish and sucking their blood. • Jawless • 7 gill apertures • No paired fins (pectoral, pelvic anal) • Cartilaginous skeleton
- 9. LAMPREYS Kingdom: Animalia Phylum: Chordata Class: Cephalaspidomorphi Order: Petromyzontiformes Family: Petromyzonidae Genus: Petromyzon Species: Marinus
- 10. 3.) CARTILAGINOUS FISH • Cartilaginous fish that have skeletons primarily composed of cartilage. They can be contrasted with the Osteichthyes or bony fishes. • The mouth is often located underneath the head.
- 11. CARTILAGINOUS FISH • Kingdom: Animalia • Phylum: Chordata • Subphylum: Vertebrata • Class: Chondrichthyes (cartilaginous fish) • Order:Squaliformes (dog fish sharks) • Family:Squalidae • Genus:Squalus • Species:Acanthias
- 13. RAY-FINNED FISHES Scientific name: Actinopterygii Higher Classification: Bony Fishes Kingdom: Animalia Phylum: Chordata Superclass: Osteichthyes
- 14. 5.) LOBE-FINNED BONY FISH • A diverse taxonomic group of fish that have skeletons primarily composed of bone tissue. • Can be contrasted with the cartilaginous fish ,which have skeletons primarily composed of cartilage. • The group Osteichthyes, is divided into the ray finned fish(Actinopterygii), and lobe- finned fish (Sarcopterygii).
- 15. LOBE-FINNED BONY FISH Scientific name: Sarcopterygii Kingdom: Animalia Phylum:Chordata Superclass: Osteichthyes
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