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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); longurio: Latin for a tall person, or a “slender youth or stripling” per Jordan & Evermann (1896), allusion not explained, perhaps referring to small, slim body of holotype (a male, presumably mature at 76.2 cm long), much smaller than its presumed congeners in Carcharias (original genus). (See ETYFish).
More on authors: Jordan & Gilbert.

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

marinhas bentopelágico; intervalo de profundidade ? - 100 m (Ref. 96339). Subtropical; 35°N - 17°S, 121°W - 73°W

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Eastern Pacific: southern California, USA to Peru.

Comprimento de primeira maturação / Tamanho / Peso / Idade

Maturity: L_m 63.5, range 58 - 69 cm
Max length : 110 cm TL macho/indeterminado; (Ref. 244); 154.0 cm TL (female)

Adults are found on the continental shelves, more commonly on the littoral zone. Possibly to 154 cm. Viviparous (Ref. 50449). Size at birth 33 to 34 cm. Utilized fresh or frozen for human consumption and also for fishmeal.

Ciclo de vida ou comportamento de acasalamento 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., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

Status na Lista Vermelha da UICN (Ref. 130435)

Vulnerável, ver Livro Vermelho da UICN (VU) (A2cd); Date assessed: 07 February 2019

CITES

Appendix II: International trade monitored

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

Harmless

Uso pelos humanos

Pescarias: espécies comerciais

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 18.1 - 28.7, mean 24.6 °C (based on 106 cells).

Índice de diversidade filogenética (Ref. 82804): PD₅₀ = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00427 (0.00199 - 0.00915), b=3.11 (2.94 - 3.28), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Nível Trófico (Ref. 69278): 4.2 ±0.7 se; based on diet studies.

Resiliência (Ref. 120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Fec assumed to be <100).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (90 of 100).

Categoria de preço (Ref. 80766): Medium.

Nutrients (Ref. 124155): Calcium = 14.1 [1.9, 80.3] mg/100g; Iron = 0.633 [0.168, 1.855] mg/100g; Protein = 21.5 [18.6, 23.7] %; Omega3 = 0.276 [0.118, 0.584] g/100g; Selenium = 20.7 [6.3, 61.3] μg/100g; VitaminA = 18.8 [6.6, 54.8] μg/100g; Zinc = 0.484 [0.228, 0.887] mg/100g (wet weight);

Rhizoprionodon longurio (Jordan & Gilbert, 1882)