Coffin ray – Hypnos monopterygius

Coffin ray, Australian Numbfish, Coffin Ray, Crampfish, Cramp-fish, Electric Ray, Numb Ray, Numbfish, Numb-fish, Numbie, Short-tail Electric Ray, Short-tailed Electric Ray, Torpedo, Hypnos monopterygius
Size: 70 cm
Depth: 0 - 240 m

The Australian Numbfish, Coffin Ray, Crampfish, Cramp-fish, Electric Ray, Numb Ray, Numbfish, Numb-fish, Numbie, Short-tail Electric Ray, Short-tailed Electric Ray, Torpedo, scientifically known as Hypnos monopterygius, is a fascinating and unique fish species found in the waters surrounding Australia. This electric ray, which can grow up to 70.0 cm in length, is a remarkable inhabitant of the marine environment, showcasing a fascinating combination of physical attributes and behaviors.

Description & Characteristics

Hypnos monopterygius is readily recognizable for its flattened, disc-shaped body, resembling a torpedo. Its coloration ranges from light brown to grey, often with darker blotches or spots. Like other electric rays, it possesses specialized electric organs located on its flanks, enabling it to generate powerful electric discharges for defense and stunning prey. This remarkable adaptation is a testament to the unique evolutionary trajectory of Hypnos monopterygius.

Habitat and Occurrence

The Australian Numbfish, Coffin Ray, Crampfish, Cramp-fish, Electric Ray, Numb Ray, Numbfish, Numb-fish, Numbie, Short-tail Electric Ray, Short-tailed Electric Ray, Torpedo, Hypnos monopterygius, thrives in a wide range of marine environments, predominantly on the continental shelf and slopes. It is commonly found in depths ranging from 0.0 to 240.0 meters, demonstrating its adaptability to various underwater conditions. Its distribution encompasses the waters surrounding Australia, where it inhabits both temperate and subtropical zones.

Taxonomy

The species Hypnos monopterygius is scientifically classified within the Class: Elasmobranchii, Order: Torpediniformes, and Family: Hypnidae. This classification highlights its kinship with other rays and sharks, placing it firmly within the diverse and ancient lineage of cartilaginous fishes.

Feeding

Hypnos monopterygius is a carnivorous predator, relying on its powerful electric discharge to subdue prey. Its diet primarily consists of crustaceans, small fishes, worms, and other benthic organisms. This feeding strategy showcases the effectiveness of its electric organs in securing sustenance within its chosen environment.

Associated Species

Image References

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