Unlike most fish, sharks don't have swim bladders, so to stay buoyant, what oil-filled organs represent a quarter of their weight?

🎲 Try a Random Question  |  Total Questions in Quiz: 25  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
Marine Life Trivia Questions — practice the complete quiz, review flashcards, or try a random question.


1. Unlike most fish, sharks don't have swim bladders, so to stay buoyant, what oil-filled organs represent a quarter of their weight?