Elasmobranquios (tiburones y rayas) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Apristurus: a-, Latin privative, i.e., without; pristis, from pristes (Gr.), sawyer (but here meaning saw); oura (Gr.), tail, referring to absence of saw-toothed crest of enlarged dermal denticles along upper edge of caudal fin as found in the closely related Pristiurus (=Galeus) (See ETYFish); japonicus: -icus (L.), belonging to: Japan, known only from the northwest Pacific off Chiba Prefecture, Honshu, Japan (See ETYFish).
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino batidemersal. Deep-water; 36°N - 34°N
Northwest Pacific: off Chiba Prefecture, Honshu, Japan. Collected from the East China Sea (Ref. 559).
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 71.0 cm TL macho / no sexado; (Ref. 244); 63.0 cm TL (female)
Biology little-known. Oviparous. Utilized for oil, human consumption and fishmeal or fish cakes.
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
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: escaso valor comercial
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00172 - 0.00698), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 4.0 ±0.6 se; based on size and trophs of closest relatives
Resiliencia (Referencia
120179): Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Fec assumed to be <10).
Vulnerabilidad pesquera (Ref.
59153): Moderate to high vulnerability (48 of 100).
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