Which of these marine animals is a fish, not a mammal?
Correct answer: Shark
Player #25874027
baymax,
Sharks are fish , but they are different to most fish as they have cartilage instead of bones
Keat55
a dolphin is a fish not a porpoise (its green
Byrde Alpha Bitch
The gill information stated is incorrect. Currently there are shark species known to have up to 9 gills.
Maestro1313
The other 3 have to surface for oxygen and have blow hole.