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Class : Chondrichthyes(Cartilagenous fishes ) Sub Class:Elasmobranchii Order:Selachii

Class : Chondrichthyes(Cartilagenous fishes ) Sub Class:Elasmobranchii Order:Selachii Sub order:Selachoidea Eg:Shark. Class : Chondrichthyes Sub Class:Elasmobranchii Order:Selachii Sub order:Batoidea Eg: Rays. Class : Chondrichthyes( Ophisthonephric kidneys) Sub Class:II- Holocephali

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Class : Chondrichthyes(Cartilagenous fishes ) Sub Class:Elasmobranchii Order:Selachii

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  1. Class : Chondrichthyes(Cartilagenous fishes ) • Sub Class:Elasmobranchii • Order:Selachii • Sub order:Selachoidea • Eg:Shark

  2. Class : Chondrichthyes • Sub Class:Elasmobranchii • Order:Selachii • Sub order:Batoidea • Eg: Rays

  3. Class : Chondrichthyes( Ophisthonephric kidneys) • Sub Class:II- Holocephali • Eg:Chimaera (Living fish) • Unique feature tentacle on the head of the male

  4. Chimaera

  5. Class:Osteichthyes (diphycercal caudal fin,external fertilization) • Sub class :Choanichthyes( bony fishes , lung breathers ) • Order: Crossopterygii(ancester of Amphibia) Eg:Latimeria (living fossil, Coelocanth)

  6. Latimeria

  7. Class:Osteichthyes • Sub class :Choanichthyes) • Order: Dipnoi(double breathing fishes,uncles of Amphibia, Dipnoi can live in drying pools, shows discontinuous distribution ) • Eg:Epiceratodus (Australian lung fish) Protopterus (African Lung fish, have internal nostril) Lepidosiren (south American lung fish)

  8. Class:Osteichthyes • Sub class :Actinopterygii • Super Order: Chondrostei • Eg:1-Acipenser (common Sturgeon) Lives in Europe, keeled bony plate • 2-Scaphirhynchus(Shovel –shaped Sturgeon) • 3-Polyodon(Spoon billed Sturgeon) dorsal fin split into finlets • 4-Polypterus(shining scales, overcomes drought. It has bilobed lung.)

  9. Acipenser(common Sturgeon)

  10. Class:Osteichthyes • Sub class :Actinopterygii • Super Order:Holostei Eg:Amia (Bow fin)N.America Lepidosteus- jaws beak like

  11. Class:Osteichthyes • Sub class :Actinopterygii • Super Order:Teleostei (Operculum, Air bladder,No terminal mouth, Dipthcercal or 1st heterocercal secondarily homocercal)

  12. Order: IsopondyliHerrings

  13. Order:Ostariophysi -Cyprinus carpio(Carps) ,Arius (catfishes) and Rohu(major carp)Clarias,

  14. Arius(cat fish)parental care,males retain the eggs in their mouth till they are hatched, air breathing fishes

  15. Clarias(cat fish)air breathing fishes

  16. Order:Apodes-Indian Anguilla(eel)&Muraena migratory fishes

  17. Order:Heteromi-Notocanthus

  18. Order:Mesichthyes-Hippocampus(sea horse)

  19. Anguilla(eel)

  20. Exocoetus (Flying Fish)

  21. Syngnathus(pipe fish)

  22. Hippocampus

  23. Echeneis (sucker fish)

  24. Tetradon(puffer fish) Inflates body with water

  25. Sardines for oil production

  26. Indian Salmon

  27. Gambusia(destroy mosquito larvae-larvivorous)

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