Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino demersal. Tropical
Northwest Pacific: southern Japan to the China seas. Possibly in Thailand (Ref. 9918). Reported from India (Ref. 45255).
Longitud en la primera madurez / Tamaño / Peso / Edad
Madurez: Lm 57.0, range 55 - 59 cm
Max length : 100.0 cm TL macho / no sexado; (Ref. 637)
Inhabits sandy or muddy bottom in shallow waters (Ref. 11230). Feeds on benthic animals. Spines covered with skin with poisonous glands. Ovoviviparous. Used as 'kamaboko' material (Ref. 637). Caught often by demersal trawl, trammel and gillnet fisheries, and occasionally using tangle nets.Utilized for its meat, but of limited value due to its typically small size (Ref.58048).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). Distinct pairing with embrace (Ref. 205). Gives birth to ~3 pups; born between 20-22 cm WD (Ref.58048).
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Usos humanos
Pesquerías: bycatch
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Temperatura preferida (Referencia
123201): 17.9 - 29.1, mean 28.1 °C (based on 1500 cells).
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00393 - 0.01841), b=3.08 (2.88 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 3.8 ±0.61 se; based on food items.
Resiliencia (Referencia
120179): Muy bajo, población duplicada en un tiempo mínimo superior a 14 años (Fec assumed to be <10).
Vulnerabilidad pesquera (Ref.
59153): High vulnerability (60 of 100).
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