Ramesh has observed a bony fish, which of the following features do you think is not a feature of this fish.
(a)Presence of operculum (b) Ventral mouth (c) Cycloid scales (d) Pectoral fin
Answer is b. ventral mouth.
The feature that help fish to change its direction is:
A- Caudal fin and pelvic fin
B-Dorsal fin and anal fin
C- caudal fin only
D- Dorsal fin only