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Elasmobranchii (hajar och rockor) (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 / djupintervall / distribution range Ekologi

marina djupbottenlevande; djupintervall 250 - 700 m (Ref. 244). Deep-water; 2°S - 56°S, 81°W - 70°W

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Prickkarta | Utplanteringar | Faunafri

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

Size / Vikt / Age

Könsmognad: L_m ? range ? - ? cm
Max length : 70.0 cm TL hane/ej könsbestämd; (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 Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

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

Main reference Upload your references | referenser | Koordinator | Medarbetare

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)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Vulnerable (VU) (A2cd); Date assessed: 06 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fiskeri: saknar intresse

FAO - fiskeri: landings; Publication: search | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 123201): 5.8 - 9.5, mean 6.3 °C (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 (0.00175 - 0.00721), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisk nivå (Ref. 69278): 4.5 ±0.4 se; based on diet studies.

Resiliens (Ref. 120179): Låg, lägsta populationsfördubblingstid 4,5-14 år (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)