A jawless fish, which lays eggs in freshwater and whose larvae after metamorphosis return to the ocean is

A jawless fish, which lays eggs in freshwater and whose larvae after metamorphosis return to the ocean is
  1. Rohu
  2. Neomyxine
  3. Petromyzon
  4. Eptatretus

Solution

Petromyzon (Lamprey) is a migratory marine water jawless fish which shows anadromous migration. It spawns in freshwater, stops feeding and dies. Its larva (ammocoetes) after metamorphosis will return to the ocean.

Asked in: NEET 2015 (Phase 2)

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