Common names from other countries

Holbiche sombre, Pejegato oscuro, قِرش قِطّ قاتم, ... more

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

Elasmobranchii (tubarões e raias) (sharks and rays) > Carcharhiniformes (Ground sharks) > Pentanchidae (Deepwater catsharks)
Etymology: Bythaelurus: bythos (Gr.), depths of the sea, referring to its deepwater habitat; ailouros (Gr.), cat, probably an allusion to the vernacular “catshark,” so named for its cat-like eyes. (See ETYFish); canescens: Latin for hoary gray, referring to its “uniform greyish” coloration (presumably in spirits since this shark is brown in life). (See ETYFish).
More on author: Günther.

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

marinhas batidemersal; intervalo de profundidade 250 - 700 m (Ref. 244). Deep-water; 2°S - 56°S, 81°W - 70°W

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

Southeast Pacific: Peru and Chile to the Straits of Magellan.

Tamanho / Peso / Idade

Maturity: L_m ? range ? - ? cm
Max length : 70.0 cm TL macho/indeterminado; (Ref. 244)

Found on the upper continental slopes primarily on mud, but also on rock bottoms. Feeds on bottom invertebrates. Oviparous, with a single egg per oviduct at a time. Not utilized at present.

Life cycle and mating behavior Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Oviparous; apparently laying a single egg per oviduct at a time (Ref. 244).

Referência principal Upload your references | Referências | Coordenador | 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 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

Categoria na Lista Vermelha da IUCN (Ref. 130435)

Vulnerável, ver o Livro Vermelho da IUCN (VU) (A2cd); Date assessed: 06 February 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

Harmless

Utilização humana

Pescarias: sem interesse

FAO(pescarias: produção; publication : search) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 5.8 - 9.5, mean 6.3 (based on 13 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00355 (0.00176 - 0.00714), b=3.09 (2.91 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Nível Trófico (Ref. 69278): 4.5 ±0.4 se; based on diet studies.

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

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (48 of 100).

Climate Vulnerability (Ref. 125649): Low to moderate vulnerability (34 of 100).

Bythaelurus canescens (Günther, 1878)