Question

List three features the charactetise bony fishes

Answer 1

Answer:

Features of bony fishes::

Explanation:

1. THEY INHABIT FRESHWATER,MARINE AND ALSO BRACKISH WATER.
2. THEIR BODY IS STREAM LINED .
3. SKIN IS COVERED WITH CTENOID, CYCLOID, GANOID SCALES.
4. CLOACA IS PRESENT.
5. OPERCULUM IS PRESENT.
6. CLASPERS ARE ABSENT.
7. GENERALLY EXTERNAL FERTILIZATION.
8. MOSTLY OVIPAROUS.
9. AIR BLADDER IS PRESENT.
10. 4 PAIRS OF GILL SLITS.
11. TERMINAL MOUTH.
12. HOMOCERCAL CAUDAL FIN.
13. SEXES ARE SEPARATE.
14. DIRECT DEVELOPMENT.
15. FILLI FORM GILLS.
16. EXAMPLES::EXOCOETUS,HIPPOCAMPUS,CATLA, CLARIAS, BETTA SPENDERS, PTEROPHYLLUM.....

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