The characteristic's of a fish are
Gills
NO
streamlined body. vertebrates. possess fins and gills.
skin type
Scale color and fin shape
Barton D. Rogers has written: 'Temporal patterns and size characteristics of migrating juvenile fishes and crustaceans in a Louisiana marsh' -- subject(s): Fishes, Migration, Crustacea
The group of fishes most closely related to ancestral amphibians are the lobe-finned fishes, which include the coelacanths and lungfishes. These fishes share certain characteristics with amphibians, such as limbs with digits and lungs or lung-like structures, indicating a close evolutionary relationship.
I am not sure but mating surely takes place and the young ones show all characteristics of the fish
jeol fishes are fishes who have dual respiratory organs. rakesh
They swim, they have gills, they live under water, they are sea creatures. They have fins, they travel in schools, they live underwater, and they have scales. Most fishes have gills, fins, and scales. Their skeletons are either made of cartilage and bone. they are cold blooded
pairing in fishes
Medium fishes eat small fishes as that's just part of the food chain.