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Numbfish

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description Numbfish Overview

The numbfish, also known as the coffin ray, is a species of electric ray endemic to the coastal waters of Australia. It is the sole member of the family Hypnidae and exhibits a benthic lifestyle, resting on the seafloor. Like other electric rays, it possesses specialized organs capable of generating powerful electric shocks used to stun prey and deter predators. This species is characterized by a short, thick body and a rounded pectoral disc.

help Numbfish FAQ

Are the numbfish and coffin ray the same animal?

Yes, both names usually refer to Hypnos monopterygius, an electric ray found around Australia. Catalogs may list them separately because common names vary by region and source.

Is the numbfish related to torpedo rays?

It belongs to the electric-ray order Torpediniformes but is placed in the family Hypnidae. Hypnos monopterygius is the only living species generally recognized in both its genus and family.

How does a numbfish produce electricity?

Paired electric organs formed from modified muscle tissue generate the discharge. These organs sit on either side of the head and can be used in defense and prey capture.

Can a numbfish survive out of water?

Reports describe this hardy ray remaining alive out of water longer than many fishes, but it is still an aquatic animal that breathes with gills. A stranded or captured specimen should be handled only by trained wildlife or fisheries personnel because it can deliver an electric shock.

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