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Hypanus say  (Lesueur, 1817)

Bluntnose stingray
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Hypanus say
Picture by Flescher, D.

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

Elasmobranchii (Haie und Rochen) (sharks and rays) > Myliobatiformes (Stingrays) > Dasyatidae (Stingrays)

Lebensraum / Klimazone / Range Ökologie

; seewasser; brackwasser demersal; tiefenbereich 1 - 10 m (Ref. 55208), usually 1 - ? m (Ref. 55208).   Subtropical, preferred ?; 45°N - 28°S, 95°W - 33°W (Ref. 55208)

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

Western Atlantic: New Jersey (rarely in Massachusetts), USA and northern Gulf of Mexico to Argentina; widespread in the West Indies. Throughout Antilles (Ref. 26938).

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm ?, range 50 - 60 cm
Max length : 100.0 cm WD Männchen/unbestimmt; (Ref. 26938)

Kurzbeschreibung Morphologie | Morphometrie

Moderate size, with a short blunt snout. Disk has rounded corners, few tubercles and spines along midline (Ref. 26938). Well developed fold on the upper surface and lower surface of tail. Yellowish or light brown above. Lower surface whitish or pure white (Ref. 6902).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Inhabits coastal waters (Ref. 7251). Generally found near shore, to depths of 10 m. Both adults and juveniles frequent estuaries and surf zones (Ref. 27549). Bottom feeder with fish, clams, worms and shrimps. It causes a number of injuries to bathers and waders (Ref. 26938). Ovoviviparous (Ref. 50449). Litters of 2-4 pups; gestation 10-11 months, including a period of embryonic diapause (Ref. 114953).

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). Distinct pairing with embrace (Ref. 205).

Hauptreferenz Upload your references | Referenzen | Koordinator : McEachran, John | 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. 115185)

CITES (Ref. 94142)

Not Evaluated

Bedrohung für Menschen

  Traumatogenic (Ref. 4716)




Nutzung durch Menschen

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