Hypnos monopterygius, Coffin ray

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Hypnos monopterygius (Shaw, 1795)

Coffin ray
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Hypnos monopterygius   AquaMaps   Data sources: GBIF OBIS
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Hypnos monopterygius
Picture by Vogt, A.

Classification / Names ຊື່ສາມັນ | ຄຳສັບຄ້າຍຄືກັນ | Catalog of Fishes(ຕະກຸນ, ຊະນິດ) | ITIS | CoL | WoRMS | Cloffa

ກຸ່ມປາກະດູກອ່ອນ (ເຊັ່ນ: ປາສະຫລາມ, ປາຜາໄລ) (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 ນິເວດວິທະຍາ

ສັດທະເລ ກ່ຽວກັນຫີນ; ລະດັບຄວາມເລິກ 0 - 240 m (Ref. 9710). Temperate; 18°S - 38°S, 112°E - 155°E (Ref. 114953)

ການແຜ່ກະຈາຍ ປະເທດ | ເຂດ FAO | ລະບົບນິເວດ | ການປະກົດຕົວ | Point map | ການແນະນຳ | Faunafri

Indo-West Pacific: endemic to Australia.

Length at first maturity / ຂະໜາດ / ນ້ຳໜັກ / Age

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

ຊີວະສາດ     ຄຳແປສັບ (ຕ.ຢ. 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 ການຈະເລີນເຕັມໄວ | ການສືບພັນ | ການວາງໄຂ່ | ໄຂ່ | ຄວາມດົກຂອງໄຂ່ປາ | ຕົວອ່ອນ

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).

Main reference Upload your references | ເອກະສານອ້າງອີງ | ຜູ້ປະສານງານ : Carvalho, Marcelo | ຜູ້ຮ່ວມມື

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 Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 24 February 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Other (Ref. 10011)





Human uses

ການປະມົງ: ທີ່ບໍ່ມີຄວາມສົນໃຈ
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Estimates based on models

Preferred temperature (Ref. 123201): 15.3 - 22.2, mean 17.4 °C (based on 134 cells).
Phylogenetic diversity index (Ref. 82804):  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).
ຊັ້ນເຂດຮ້ອນ (Ref. 69278):  3.7   ±0.57 se; based on food items.
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (48 of 100).
Nutrients (Ref. 124155):  Calcium = 2.47 [0.28, 38.57] mg/100g; Iron = 0.157 [0.013, 1.622] mg/100g; Protein = 17.1 [13.0, 20.7] %; Omega3 = 0.302 [0.099, 0.903] g/100g; Selenium = 9.87 [1.75, 49.78] μg/100g; VitaminA = 21.6 [1.7, 276.9] μg/100g; Zinc = 0.479 [0.035, 5.305] mg/100g (wet weight);