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Fishes with swim bladder without direct ...

Fishes with swim bladder without direct communication with exterior and where there is little separation of secretory and absorbent parts are

A

Physostomes

B

Physoclists

C

Euphysoclists

D

Paraphysoclists

Text Solution

Verified by Experts

The correct Answer is:
D
Swim bladder connected with oesophagus is called physostomous while unconnected one is called physoclistous. The latter has two chambers but this distinction is lost in paraphyosclistous.
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