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Elasmobranchii (Haie und Rochen) (sharks and rays) > Myliobatiformes (Stingrays) > Dasyatidae (Stingrays) > Urogymninae
Etymology: Himantura: Greek, iman, imantos = thong, strap + Greek, oura = tail (Ref. 45335).
Eponymy: Lieutenant-Colonel Dr Alfred William Alcock (1859–1933) was a British physician, herpetologist, carcinologist and naturalist. [...] (Ref. 128868), visit book page.

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

seewasser; brackwasser demersal. Tropical

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Indian Ocean: India to Indonesia.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm

Occurs in coastal waters and river mouths (Ref. 45255). Most serious injuries to humans come from stingray groups (Ref. 114953). Ovoviviparous (Ref. 50449).

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

Mould, B., 1994. A world list of rays. The scientific nomenclature and distribution of the recent Batoidea (Batoidea, Elasmobranchii, Chondrichthyes). University of Nottingham, [UK]. 82 p. (Ref. 8630)

IUCN Rote Liste Status (Ref. 130435: Version 2024-2)

Nicht untersucht

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Traumatogenic (Ref. 114953)

Nutzung durch Menschen

Fischereien: weniger kommerziell

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01023 (0.00486 - 0.02155), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.6 ±0.5 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Assuming fecundity<100).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (90 of 100).

Preiskategorie (Ref. 80766): Low.

Himantura alcockii (Annandale, 1909)