There Are Not Many Species of Fish Living Deep in the Oceans,but

Multiple Choice

There are not many species of fish living deep in the oceans,but the deep-sea fish occasionally pulled up by fisherman have been bizarre creatures,such as the deep-sea anglerfish with its giant fangs and bioluminescent lure.Why have these fascinating deep-sea fish never been shown live on exhibit in an aquarium?

A) Their diet is too specialized.
B) They are adapted to cold temperatures and total darkness.
C) They might frighten visitors.
D) They are adapted for high pressure,and will die at low pressure.