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Osteichthyes (Body (4 pairs of gills (covered by an operculum on each…
Osteichthyes
Body
bony endoskeleton
streamlined
terminal mouth
4 pairs of gills
covered by an operculum on each side
skin covered with cycloid/ctenoid scales
air bladder present which regulates buoyancy
cold blooded
Life processes
circulation
2 chambered heart
Reproduction
sexes are separate
External fertilisation
mostly oviparous
Direct development
MISC.
Marine and freshwater
Examples
Marine
Exocoetus
(Flying fish)
Hippocampus
(Sea horse)
Freshwater
Labeo
(Rohu)
Catla
(Katla)
Clarias
(Magur)
Aquarium
Betta
(Fighting fish)
Pterophyllum
(Angel fish)