Hypnos monopterygius, Coffin ray

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Hypnos monopterygius (Shaw 1795)

Coffin ray
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Hypnos monopterygius   AquaMaps   Data sources: GBIF OBIS
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Image of Hypnos monopterygius (Coffin ray)
Hypnos monopterygius
Picture by Vogt, A.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (sharks and rays) > Torpediniformes (Electric rays) > Hypnidae (Coffin rays)
Etymology: Hypnos: Greek, hypnos = sleep (Ref. 45335).  More on author: Shaw.

Environment: milieu / climate zone / depth range / distribution range Ökologie

; seewasser riff-verbunden; tiefenbereich 0 - 240 m (Ref. 9710).   Temperate; 18°S - 38°S, 112°E - 155°E (Ref. 114953)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Indo-West Pacific: endemic to Australia.

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm ?, range 24 - ? cm
Max length : 70.0 cm TL Männchen/unbestimmt; (Ref. 2272); common length : 40.0 cm TL Männchen/unbestimmt; (Ref. 6871)

Biologie     Fachlexikon (Englisch) (z.B. 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. It was reported that larger fishes, similar size to themselves have been found in the stomachs of Coffin rays, ingested whole through the large gape (Ref. 114953). Ovoviviparous (Ref. 50449). Maximum length probably to 92 cm TL (Ref. 9910). Both sexes mature at 40-48 cm TL; born at ca. 8-11 cm TL (Ref. 114953). A slow-moving species which uses its electric organs to stun prey. Also stuns people when accidentally stepped upon or handled (Ref. 9910).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). Size at birth 8 to 11 cm TL (Ref. 9910).

Hauptreferenz Upload your references | Referenzen | Koordinator : Carvalho, Marcelo | Partner

Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)

IUCN Rote Liste Status (Ref. 123251)

  nicht bedroht (LC) ; Date assessed: 24 February 2015

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Other (Ref. 10011)





Nutzung durch Menschen

Fischereien: nicht kommerziell
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Internet Quellen

Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishipedia | Fishtrace | GenBank(Genom, nucleotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia(Gehe zu, Suchen) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 15.3 - 22.2, mean 17.4 °C (based on 134 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 1.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.7   ±0.57 se; based on food items.
Widerstandsfähigkeit (Ref. 120179):  .
Verwundbarkeit (Ref. 59153):  Moderate to high vulnerability (48 of 100) .