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

Subtopic:  Comparative study of Cartilagenous & Bony Fishes | Class Cyclostomata |
 62%
Level 2: 60%+
NEET - 2015
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Which one of the following pair of animals comprises 'jawless fishes'?

1. Lampreys and eels
2. Mackerals and rohu
3. Lampreys and hagfishes
4. Guppies and hagfishes

Subtopic:  General Introduction: Vertebrates & Agnatha | Class Cyclostomata |
 91%
Level 1: 80%+
AIPMT - 2009
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