Which of the following animals generally has the lowest volume of urine production?
a. a marine bony fish
b. a shark inhabiting freshwater lake nicaragua
c. a freshwater bony fish
d. a salmon in fresh water
e. a vampire bat

The correct answer is option A

A. A marine body fish

Explanation: this is because they need to retain water. The piscine kidney cannot afford to produce a urine of higher concentration than the fluids in the body so production is kept at minimum.