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Carcharhinus tilstoni, Australian blacktip shark : fisheries
Elasmobranquios (tiburones y rayas) (sharks and rays) > Carcharhiniformes (Ground sharks) > Carcharhinidae (Requiem sharks)
Etymology: Carcharhinus:karcharos (Gr.), sharp or jagged; rhinus, an ancient name for sharks, from rhine (Gr.), rasp, both words alluding to a shark's jagged, rasp-like skin (See ETYFish); tilstoni:In honor of Richard Tilston, naturalist-surgeon at Port Essignton, Northern Territory, near where holotype was collected in the 1840s (See ETYFish). Eponymy: Richard Tilston was a naturalist who trained as a physician at Guy’s Hospital, London (1841) and became a naval surgeon (1842). [...] (Ref. 128868), visit book page. More on author: Whitley.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución Ecología
marino; salobre pelagic-neritic; rango de profundidad 0 - 150 m (Ref. 6871). Tropical; 10°S - 28°S
Indo-West Pacific: currently known only from the continental shelf of tropical Australia. Very similar to Carcharhinus limbatus and reliably distinguished only by biochemical studies and vertebral counts (Ref. 9819).
Longitud en la primera madurez / Tamaño / Peso / Edad
Madurez: Lm?, range 115 - ? cm Max length : 200 cm TL macho / no sexado; (Ref. 9997); peso máximo publicado: 52.0 kg (Ref. 6390); edad máxima reportada: 12 años (Ref. 6390)
Espinas dorsales (total) : 0; Espinas anales: 0. Back dark grey, ashy blue or dusky bronze; belly white or yellowish white; a dark band extending rearward along each side to about over origin of pelvic fin; tips of pelvic fins with a persistent black spot (Ref. 9997). Body shape (shape guide): fusiform / normal.
Found on the continental shelf from close inshore to about 150 m depth (Ref. 9997). Found throughout the water column but usually near the sea bed during the day and near the surface at night (Ref. 6390). Prefers teleost fishes but also feeds on cephalopods to a lesser degree. Viviparous (Ref. 50449). Forms large aggregations (Ref. 6871). Utilized for its meat and fins (Ref. 6871). The flesh has a relatively high mercury content (Ref. 6871).
Viviparous, placental (Ref. 50449). The average litter size is 3, with a range of 1-6, average total length at birth is 60 cm. Pups are born in January after a 10-month gestation period. These sharks breed once each year (Ref. 13440). Distinct pairing with embrace (Ref. 205).
Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993. Australian fisheries resources. Bureau of Resource Sciences, Canberra, Australia. 422 p. (Ref. 6390)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Fisiología Composición corporal Nutrientes Consumo del oxígeno Tipo de natación Velocidad de natación Pigmentos visuales Sonido de peces Enfermedades y parásitos Toxicidad (CL50)
