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Elasmobranchii (Haie und Rochen) (sharks and rays) > Torpediniformes (Electric rays) > Torpedinidae (Electric rays)
Etymology: Torpedo: Latin, torpere = be sluggish (Ref. 45335).
More on author: Steindachner.

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

seewasser demersal. Tropical; 12°N - , 43°E - (Ref. 114953)

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

Western Indian Ocean: known from the type locality, harbor of Perim, at Mocca (Mocho), Red Sea.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 23.2 cm TL Männchen/unbestimmt; (Ref. 83892); 29.1 cm TL (female)

Ovoviviparous (Ref. 50449). Biology little known. Probably reaches ca. 40 cm TL; males mature before 23 cm TL (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).

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

de Carvalho, M.R., M.F.W. Stehmann and L.G. Manilo, 2002. Torpedo adenensis, a new species of electric ray from the Gulf of Aden, with comments on nominal species of Torpedo from the western Indian Ocean, Arabian Sea, and adjacent areas (Chondrichthyes: Torpediniformes: Torpedinidae). Am. Mus. Novit. 3369:1-34. (Ref. 83892)

IUCN Rote Liste Status (Ref. 130435)

vom Aussterben bedroht (CR) (B1ab(v)); Date assessed: 06 February 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01479 (0.00659 - 0.03318), b=2.97 (2.78 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.1 ±0.7 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Live bearer with low fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (19 of 100).

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