Elasmobranquios (tiburones y rayas) (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); dawsoni: In honor of Elliot W. Dawson (b. 1930), National Museum of New Zealand (now Museum of New Zealand Te Papa Tongarewa), who brought the first specimens to Springer’s attention (See ETYFish).
Eponymy: Elliot Watson Dawson (1930-2020) was a biologist with the New Zealand Oceanographic Institute of the New Zealand Department of Scientific & Industrial Research (1955–1990), principally involved in carrying out surveys of the marine benthic fauna of [...] (Ref. 128868), visit book page.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino batidemersal; rango de profundidad 50 - 1200 m (Ref. 26346). Deep-water; 44°S - 53°S
Southwest Pacific: endemic to New Zealand.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 45.0 cm TL macho / no sexado; (Ref. 26346)
Found on the outer continental shelf and upper slope (Ref. 26346). Feeds on bottom crustaceans (Ref. 244).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Ovoviviparous, young are born at less than 20 cm (Ref. 26346).
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)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: sin interés
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 82804) |
PD50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00347 (0.00171 - 0.00701), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Nivel trófico (Referencia 69278) |
3.4 ±0.53 se; based on food items. |
Resiliencia (Referencia 120179) |
Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Fec assumed to be <100). |
Vulnerabilidad pesquera (Ref. 59153) |
Low to moderate vulnerability (25 of 100). 🛈 |