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Elasmobranchii (sharks and rays) > Torpediniformes (Electric rays) > Torpedinidae (Electric rays)
Etymology:

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

Marine; demersal; depth range ? - 300 m (Ref. 57881). Temperate; 25°N - 23°N, 120°E - 122°E (Ref. 114953)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Northwest Pacific: Taiwan and possibly Philippines.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 89.0 cm TL (female)

Primarily found offshore. Life history unknown. Size reaches at least 62 cm TL; born at ca. 20-25 cm TL (Ref. 114953).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator : Carvalho, Marcelo | Collaborators

Haas, D.L. and D.A. Ebert, 2006. Torpedo formosa sp. nov., a new species of electric ray (Chondrichthyes: Torpediniformes: Torpedinidae) from Taiwan. Zootaxa 1320:1-14. (Ref. 57881)

IUCN Red List Status (Ref. 130435)

Near Threatened (NT) (A2d); Date assessed: 02 September 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5001 [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): 4.3 ±0.6 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): High vulnerability (56 of 100).

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