Hypnidae

coffin ray

Hypnos monopterygius

Australias sole inshore electric ray

• Temperate
• Continental endemic
• Local endemic species
• Restricted distribution
• Marine fish
• Pacific Ocean
• Oceania
• Large
• Temperate fish

Hypnos monopterygius, also known as the coffin ray or Australian numbfish, is a species of electric ray endemic to Australia, where it is common in inshore waters shallower than 80 m (260 ft). It is the sole member of its genus Hypnos, and family Hypnidae. This small species typically reaches 40 cm (16 in) in length.