Introduction

Bathothauma lyromma is one of the more highly modified cranchiids. The paralarval stage reaches a very large size (ca. 10 cm ML) and possesses very long eye stalks and has a very long brachial pillar. Both are resorbed in the subadult. The adult reaches 20 cm ML (Nesis, 1982). This species is circumglobal in distribution from tropical to high latitudes (Voss, 1980).

Brief diagnosis:

A taonin ...

• with widely separated paddle-shaped fins.