A jawless fish, which lays eggs in fresh water and whose ammocoetes larvae after metamorphosis return to the ocean is (a) Neomyxine (b) Petromyzon (c) Eptatretus (d) Myxine.

A jawless fish, which lays eggs in fresh water and
whose ammocoetes larvae after metamorphosis
return to the ocean is
(a) Neomyxine (b) Petromyzon
(c) Eptatretus (d) Myxine.
by

1 Answer

Answer :

(b) Petromyzon
by

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