A) Neoceratodus
B) Hippocampus
C) Torpedo
D) Echeneis
Correct Answer: D
Solution :
Echeneis is a marine Tropical fish commonly called remora or sucker fish. In this head is dipressed and its upper surface bears a large oval adhesive disc called sucker. Sucker represenis modified anterior dorsal fin.You need to login to perform this action.
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