Fishes having swim bladder, which do not have direct communication with the exterior and where resorbent and secretory part is not sharply separated from one another, are called.
A. Physostomes
B. Physoclists
C. Euphysoclits
D. Paraphysoclists
Answer:B
Fishes having swim bladder, which do not have direct communication with the exterior and where resorbent and secretory part is not sharply separated from one another, are called.
A. Physostomes B. Physoclists C. Euphysoclits D. Paraphysoclists