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Hypnos monopterygius  (Shaw, 1795)

Australian numbfish
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Native range | All suitable habitat | Point map | Year 2100
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Hypnos monopterygius   AquaMaps   Data sources: GBIF OBIS
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Image of Hypnos monopterygius (Australian numbfish)
Hypnos monopterygius
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Australia country information

Common names: Australian numbfish, Coffin ray, Crampfish
Occurrence: endemic
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from tropical and warm temperate waters, from Broome in Western Australia to St. Vincents Gulf in South Australia; also from Caloundra in Queensland to Eden in New South Wales (Ref. 6871). Common inshore (Ref. 6871). Gives birth in the summer (Ref. 12951).
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority: https://www.csiro.au/
Occurrences: Occurrences Point map
Main Ref: Last, P.R. and J.D. Stevens, 1994
National Database:

Classification / Names

Elasmobranchii (sharks and rays) > Torpediniformes (Electric rays) > Hypnidae (Coffin rays)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 70.0 cm TL male/unsexed; (Ref. 2272); common length : 40.0 cm TL male/unsexed; (Ref. 6871)

Length at first maturity
Lm ?, range 24 - ? cm

Environment

Marine; reef-associated; depth range 0 - 240 m (Ref. 9710)

Climate / Range

Temperate, preferred ?; 21°S - 38°S

Distribution

Indo-West Pacific: endemic to Australia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Biology     Glossary (e.g. epibenthic)

Occurs inshore and offshore, ranging from the intertidal to 240 m depth (Ref. 9910, 12951). Found buried on sand and mud bottoms; sometimes found stranded out of water by the tide but is capable of surviving for hours (Ref. 9910). Feeds on crabs, worms, and fishes. Ovoviviparous (Ref. 50449). A slow-moving species which uses its electric organs to stun prey. Also stuns people when accidentally stepped upon or handled (Ref. 9910). Maximum length probably to 92 cm TL (Ref. 9910).

IUCN Red List Status (Ref. 90363)

Threat to humans

Other (Ref. 10011)



Human uses

Fisheries: of no interest

More information

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
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Ciguatera
Speed
Swim. type
Gill area
Otoliths
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Tools

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Internet sources

BHL | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | FAO(Publication : search) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | Sea Around Us | SeaLifeBase | Tree of Life | uBio | uBio RSS | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record | Fishtrace

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 1.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
3.7   ±0.57 se; Based on food items.

Resilience (Ref. 69278)

Vulnerability (Ref. 59153)
Moderate to high vulnerability (48 of 100)
Price category (Ref. 80766)
Unknown