MadeiraFish

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Common name Nome comum Scientific name

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Scientific name: Heptranchias perlo Nome comum: Bico-doce; Albafar bravo; Archote; Tubarão Common name: Sharpnose sevengill shark Classification: CHORDATA > ELASMOBRANCHII > Hexanchiformes > Hexanchidae Description: Global Distribution: Circumglobal in tropical, subtropical and temperate seas, excluding the northeast Pacific.   View Map BIOLOGICAL FEATURES Size: Maximum length: male 137 cm (total length); female 140.0 cm (TL); common length 100.0 cm (TL). Age: Weight length rel.: Bayesian estimated length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30). Growth type: von Bertallanfy growth parameters: Reproduction: Ovoviviparous, with 9-12 young born per litter. Maturity: range 75 - 98 cm Behavioural ecology: Very active and aggressive when captured and quick to bite but too small to be very dangerous to people. Population structure & migrations: ECOLOGICAL FEATURES Depth range: FishBase: 0 - 1000 m, usually 180 - 450 m. Canary Islands (Brito et al. 2002): 100 - 1150 m, usually 100 - 600 m. Habitat: Bathydemersal. Found on the outer continental and insular shelves and upper slopes in depths of 100 to 400, also inshore and down to 1000 m. Feeding habits: Feeds on small sharks and rays, small bony fish, shrimps, crabs, lobsters, squid, and cuttlefish. Trophic level: FishBase: 4.2 FISHERIES Commercial interest: Minor commercial species. Conservation status: Global: Near threatened. Europe: Data deficient. Nutritional information & food safety: REFERENCES Brito A., Pascual P.J., Falcón J.M., Sancho A., González G. (2002). Peces de las islas Canarias. Catálogo comentado e ilustrado. Francisco Lemos Editor, Tenerife, Canary Islands, Spain, 418 pp. Froese, R., Pauly D., editors (2011) .FishBase. World Wide Web electronic publication. www.fishbase.org, (07/2014). www.fishbase.org/summary/Heptranchias-perlo.html IUCN (2014). The IUCN Red List of Threatened Species. Version 2014.1. www.iucnredlist.org Nieto A., Ralph G.M., Comeros-Raynal M.T., Kemp J., García Criado M., Allen D.J., Dulvy N.K., Walls R.H.L., Russell B., Pollard D., García S., Craig M., Collette B.B., Pollom R., Biscoito M., Labbish Chao N., Abella A., Afonso P., Álvarez H., Carpenter K.E., Clò S., Cook R., Costa M.J., Delgado J., Dureuil M., Ellis J.R., Farrell E.D., Fernandes P., Florin A-B., Fordham S., Fowle, S., Gil de Sola L., Gil Herrera J., Goodpaster A., Harvey M., Heessen H., Herler J., Jung A., Karmovskaya E., Keskin C., Knudsen S.W., Kobyliansky S., Kovačić M., Lawson J.M., Lorance P., McCully Phillips S., Munroe T., Nedreaas K., Nielsen J., Papaconstantinou C., Polidoro B., Pollock C.M., Rijnsdorp A.D., Sayer C., Scott J., Serena F., Smith-Vaniz W.F., Soldo A., Stump E., Williams J.T. (2015). Europen Red List of Marine Fishes. IUCN and European Union, Publications Office of the European Union, Luxembourg, 90 pp.