Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Crustacean powerpoint

Related Books

Free with a 30 day trial from Scribd

See all

Related Audiobooks

Free with a 30 day trial from Scribd

See all
  • Be the first to comment

Crustacean powerpoint

  1. 1. CRUSTACEA
  2. 2. • Phylum Arthopoda• Subphylum Crustacea• 30,000 species• Mostly marine
  3. 3. Examples of CrustaceansCrabs
  4. 4. Examples of CrustaceansShrimp
  5. 5. Examples of CrustaceansLobster
  6. 6. Examples of CrustaceansBarnacles
  7. 7. Examples of CrustaceansCopepods – 70% of all Crustaceans
  8. 8. Examples of CrustaceansKrill – greatest biomass of any species on earth
  9. 9. Examples of CrustaceansIsopods
  10. 10. Examples of CrustaceansAmphipods
  11. 11. ANATOMY• Anatomy varies depending on type of crustacean• Body divided into two major parts: Cephalothorax – head and main body cavity Abdomen – muscular, segmented dorsal part of body• Usually 16 – 20 body segments• Carapace – shell covering cephalothorax
  12. 12. cephalo thorax ab do m encarapace
  13. 13. ANATOMY• Many specialized, jointed appendages: – Gills – usually underneath for breathing – Walking legs - pereopods – Swimming legs - pleopods – Feeding appendages • maxillipeds and mandibles - mouthparts • chela - claws – Sensing - antennae – Defense – Tail – telson and uropods
  14. 14. antennae eye shrimp anatomy telsonchela uropods gills pleopods pereopods
  15. 15. crab anatomy – dorsal view chela eye antenna carapace walking legsswimming legs abdomen
  16. 16. mandibles eyechela crab anatomy – ventral view abdomen
  17. 17. Crustacean Feeding• Methods vary:• Predators and scavengers – crabs and lobsters• Filter feeders – barnacles• Parasites – isopods (fish lice), whales barnacles
  18. 18. Crustacean Reproduction• Separate sexes• Males release sperm packetusing modified appendages• Females mate during molting –hold sperm packet untilfertilization• Females carry fertilized eggsunder abdomen until hatching
  19. 19. Crustacean Life Cycle• Meroplanktonic larvae
  20. 20. Other Facts• Largest – king crab – legspan of 12 feet• Heaviest – 48 pound lobster

    Be the first to comment

    Login to see the comments

  • miasparkyu7

    Feb. 23, 2015
  • siree01

    Oct. 15, 2015
  • Kesolabs

    Dec. 5, 2015
  • zaeemulmehmood

    Jan. 15, 2016
  • TomasVillarreal4

    Jan. 19, 2017
  • Ankikola

    Jul. 10, 2017
  • bankolemichael1

    Oct. 26, 2017
  • francisvictor3

    Dec. 19, 2017
  • PrithwikBhowmik

    Jan. 26, 2018
  • FekaduKebebew1

    Jun. 4, 2018
  • prerna108

    Sep. 5, 2018
  • ArulAravinth

    Sep. 6, 2018
  • VanessaLawagan

    Nov. 14, 2018
  • JoeDeguzman2

    Sep. 2, 2019
  • MuneesKaruna

    Nov. 6, 2019
  • ArchanaKumari207

    Nov. 27, 2019
  • ChmuhammadbilalGujja

    Jan. 15, 2020
  • KirthigaSubramoniam

    May. 8, 2020
  • JaneMdh

    Sep. 7, 2020
  • Ismatilyas

    Feb. 28, 2021

Views

Total views

22,179

On Slideshare

0

From embeds

0

Number of embeds

82

Actions

Downloads

707

Shares

0

Comments

0

Likes

23

×