Elasmobranquios (tiburones y rayas) (sharks and rays) >
Rhinopristiformes (Shovelnose rays) >
Rhinobatidae (Guitarfishes)
Etymology: Rhinobatos: Greek, rhinos = nose + Greek, batis, -idos = a ray (Raja sp.) (Ref. 45335).
More on author: Norman.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino; salobre demersal; rango de profundidad ? - 35 m (Ref. 114953). Tropical; 16°N - 17°S, 19°W - 13°E (Ref. 114953)
Eastern Atlantic: Gulf of Guinea to Angola.
Tamaño / Peso / Edad
Madurez: Lm ? range ? - ? cm
Max length : 75.0 cm TL macho / no sexado; (Ref. 6497); common length : 60.0 cm TL macho / no sexado; (Ref. 114953)
Benthic and more or less stationary in inshore coastal waters. Feeds on fish and shrimps (Ref. 28587). Ovoviviparous. Females have litters of 2-3 pups. Males mature at ca. 46 cm TL, females at ca. 52 cm TL; birth size at ca. 15 cm TL (Ref. 114953).
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).
Stehmann, M., 1990. Rhinobatidae. p. 23-27. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 6497)
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
Temperatura preferida (Referencia
123201): 24.8 - 28, mean 27.3 °C (based on 205 cells).
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00295 (0.00150 - 0.00581), b=3.13 (2.96 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 4.1 ±0.71 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): Moderate to high vulnerability (50 of 100).
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Nutrientes (Ref.
124155): Calcium = 49 [12, 214] mg/100g; Iron = 0.763 [0.193, 2.015] mg/100g; Protein = 19.1 [17.0, 21.1] %; Omega3 = 0.159 [0.069, 0.364] g/100g; Selenium = 36.7 [10.0, 102.6] μg/100g; VitaminA = 15.2 [7.1, 31.5] μg/100g; Zinc = 0.998 [0.498, 1.822] mg/100g (wet weight);
