IUCN threat status:

Not evaluated

Brief Summary

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Introduction

C. scabra, the only species in the genus, is small (150 mm ML) and one of the most distinctive cranchiids. The mantle is covered by large, multi-pointed cartilagenous tubercles (see Roper and Lu 1990, for a description of the tubercle structure). When disturbed, the squid often pulls its head and arms into the mantle cavity and folds its fins tightly against the mantle to form a turgid ball. The tubercules, presumably, provide some type of protection but it is unclear what predators are affected and how. In addition, the squid may ink into the mantle cavity, making the ball opaque. This was thought to be an aberrant behavior due to stress and confinement of shipboard aquaria until the same inking behavior was seen in cranchiids from submersibles (Hunt, 1996). The function of this behavior is unknown

Brief diagnosis:

A cranchiin ...

  • with mantle covered with cartilagenous tubercules.

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