How Do a Physoclistous Fish and a Physostomous Fish Compare

question 74

Multiple Choice

How do a physoclistous fish and a physostomous fish compare in terms of the amount of energy each must use to maintain its position (depth) in the water column over the long term?

• A)A physoclistous fish uses more energy than a physostomous fish.
• B)A physostomous fish uses more energy than a physoclistous fish.
• C)A physoclistous fish and a physostomous fish use the same amount of energy.
• D)A physoclistous fish initially uses more energy than a physostomous fish but then decreases its energy use to be equal to the physostomous fish.