Coffin Ray, Cramp-fish, Electric Ray, Numbfish, Numbie, Short-tail Electric Ray
Hypnos monopterygius, Jervis Bay, NSW, Photo: Andrew Green
Hypnos monopterygius, Port Stephens, New South Wales, Australia, Photo: Tom Davis
Hypnos monopterygius, NSW, Australia, Photo: Ian Shaw
Distribution
Temperate Australasia, Tropical Indo-Pacific
Description
Double-lobed body, 2 rounded dorsal fins and tail, and small eyes set close together near midline. Delivers a powerful electric shock if touched, which stuns fish prey and incautious divers.
Occurrence describes how often the species is found on surveys within its distribution.
It is calculated as the % of reef sites surveyed by RLS divers across all the ecoregions in which the species has been observed
Abundance: Solitary (1 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: extract from RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland
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