Chinese Taipei (Taiwan) country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality, off southwestern Taiwan, NTT 7212120 (holotype of Squatina formosa, 33.7 cm TL, immature male) (Ref. 47737). Also Ref. 47843.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/tw.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database: The Fish Database of Taiwan

Common names from other countries

Ange de mer moinillon, Angelote de Taiwan, قِرش مَلَك تايواني, ... more

Classificação / Names Nomes comuns | Sinônimos | Catalog of Fishes(Gênero, Espécies) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (tubarões e raias) (sharks and rays) > Squatiniformes (Angel sharks) > Squatinidae (Angel sharks)
Etymology: Squatina: Latin for skate, which angel sharks superficially resemble, presumably tautonymous with Squalus squatina Linnaeus 1758 (no species mentioned). (See ETYFish); formosa: Named for Formosa (Taiwan), type locality. (See ETYFish).

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

marinhas batidemersal; intervalo de profundidade 183 - 220 m (Ref. 54905). Deep-water; 24°N - 22°N, 120°E - 121°E (Ref. 54905)

Distribuição Países | Áreas da FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

North Western Pacific: East coast of Taiwan and Ryuku Islands to SE Japan to Izu Peninsula (Ref. 84150); misidentifiction of S. caillieti in the Philippines (Ref. 86399).

Tamanho / Peso / Idade

Maturity: L_m ? range ? - ? cm
Max length : 55.4 cm TL macho/indeterminado; (Ref. 84150)

Descrição suscinta Chaves de identificação | Morfologia | Morfometria

Espinhos dorsais (total) : 0. Taiwan angelshark Squatina formosa has broad pectoral fins with outer corner more obtuse and free rear tips narrowly subangular; nasal barbels apparently simple, narrow and tapered. Anterior nasal flaps smooth to weakly fringed; dermal folds on sides of head possibly with a triangular lobe. Rear tip of inner margin of pelvic fins reaching little beyond origin of first dorsal. Very short hypocercal tail. Rows of small spines on midline of back and tail, and on snout and between eyes. Color: no ocelli (eye-like spot) on body (Ref. 247, 31369).

A little-known angelshark found on the outer continental shelf. Possibly larger. Ovoviviparous (Ref. 50449).

Ciclo de vida ou comportamento de acasalamento Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Ovoviviparous, embryos feed solely on yolk (Ref. 50449).

Referência principal Upload your references | Referências | Coordenador : Compagno, Leonard J.V. | Colaboradores

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)

Status na Lista Vermelha da UICN (Ref. 130435)

Em perigo (EN) (A2d); Date assessed: 29 August 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

Traumatogenic

Uso pelos humanos

Pescarias: sem interesse

FAO(pescarias: perfil da espécie; publication : search) | FishSource |

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Estimates based on models

Índice de diversidade filogenética (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00676 (0.00293 - 0.01558), b=3.07 (2.88 - 3.26), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Nível Trófico (Ref. 69278): 3.8 ±0.5 se; based on size and trophs of closest relatives

Resiliência (Ref. 120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Fec assumed to be <100).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (42 of 100).

Squatina formosa Shen & Ting, 1972