The main nitrogenous waste of freshwater fishes is
A) ammonia.
B) urea.
C) uric acid.
D) amino acids.
E) purines.

Name: The main nitrogenous waste of freshwater fishes is A) ammonia. B) urea. C) uric acid. D) amino acids. E) purines.
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Question

Quizplus · Accepted Answer

Freshwater fishes primarily excrete ammonia directly into the water. Ammonia is highly soluble in water and can be easily excreted by these fishes, making it the most efficient method for them to eliminate nitrogenous wastes in their aquatic environment.

The Main Nitrogenous Waste of Freshwater Fishes Is