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Elasmobranchii (tubarões e raias) (sharks and rays) > Carcharhiniformes (Ground sharks) > Carcharhinidae (Requiem sharks)
Etymology: Rhizoprionodon: rhiza (Gr.), root; prion (Gr.) saw; odon (Gr.), tooth, referring to teeth with serrated (saw-like) bases, or roots [replacement name for Rhizoprion Ogilby 1915, preoccupied by Rhizoprion Jourdan 1861 in mammals]. (See ETYFish); lalandii: In honor of naturalist and explorer Pierre Antoine Delalande (1787-1823), who collected type [authorship often attributed to Müller & Henle, who published Valenciennes’ description]. (See ETYFish).

Environment: milieu / climate zone / depth range / distribution range Ecologia

marinhas demersal; intervalo de profundidade 3 - 70 m (Ref. 244). Tropical; 13°N - 35°S, 78°W - 31°W

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Western Atlantic: Panama to southern Brazil and Uruguay (Ref. 58839).

Length at first maturity / Tamanho / Peso / Idade

Maturity: L_m 61.8, range 58 - ? cm
Max length : 80.0 cm TL (female); common length : 55.0 cm TL macho/indeterminado; (Ref. 5217); peso máx. Publicado: 0.00 g

Inhabits shallow coastal waters, on sandy and muddy bottoms, and not normally found in lagoons and estuaries (Ref. 244). Feeds on small bony fishes, including sardines and anchovies, also shrimp and squid (Ref. 244). Viviparous, with 1 to 4 young in a litter; size at birth 33 to 34 cm (Ref. 244). Its flesh is highly appreciated and is marketed dried salted.

Life cycle and mating behavior Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Distinct pairing with embrace (Ref. 205). Viviparous, placental (Ref. 50449).

Referência principal Upload your references | Referências | Coordenador : Compagno, Leonard J.V. | Colaboradores

Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)

Categoria na Lista Vermelha da IUCN (Ref. 130435)

Vulnerável, ver o Livro Vermelho da IUCN (VU) (A2bd); Date assessed: 01 July 2019

CITES

Appendix II: International trade monitored

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

Harmless

Utilização humana

Pescarias: espécies comerciais

FAO - Publication: search | FIRMS - Stock assessments | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 24.6 - 28, mean 27.2 °C (based on 104 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00269 (0.00177 - 0.00409), b=3.08 (2.96 - 3.20), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).

Nível Trófico (Ref. 69278): 4.3 ±0.65 se; based on food items.

Resiliência (Ref. 120179): Muito baixo, tempo mínimo de duplicação da população maior que 14 anos (Fec=1).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (52 of 100).

Categoria de preço (Ref. 80766): Medium.

Rhizoprionodon lalandii (Valenciennes, 1839)