Class : Chondrichthyes(Cartilagenous fishes )

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Presentation transcript:

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 Eg:Chimaera (Living fish) Unique feature tentacle on the head of the male

Chimaera

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

Latimeria

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)

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.)

Acipenser(common Sturgeon)

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

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

Order: Isopondyli Herrings

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

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

Clarias(cat fish)air breathing fishes

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

Order:Heteromi-Notocanthus

Order:Mesichthyes-Hippocampus(sea horse)

Anguilla(eel)

Exocoetus (Flying Fish)

Syngnathus(pipe fish)

Hippocampus

Echeneis (sucker fish)

Tetradon(puffer fish) Inflates body with water

Sardines for oil production

Indian Salmon

Gambusia(destroy mosquito larvae-larvivorous)