Elasmobranchii (tubarões e raias) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Triakidae (Houndsharks) > Triakinae
Etymology: Triakis: tri-, from tres (L.), three; akis (Gr.), point, referring to each tooth consisting of one large central cusp flanked on by both sides by a small cusplet. (See ETYFish); acutipinna: acutus (L.), sharp or pointed; pinna (L.), fin, referring to its sharp-tipped fins. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas demersal. Tropical; 0°S - 4°S
Eastern Pacific: known only from Ecuador.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 90.0 cm TL macho/indeterminado; (Ref. 244); 102.0 cm TL (female)
Known only from two specimens. Ovoviviparous (Ref. 50449).
Life cycle and mating behavior
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Ovoviviparous, embryos feed solely on yolk (Ref. 50449).
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)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
Ameaçada (EN) (B1ab(v); C2a(ii)); Date assessed: 23 September 2020
Ameaça para o homem
Harmless
Utilização humana
Pescarias: sem interesse
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00240 (0.00110 - 0.00521), b=3.14 (2.96 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.7 ±0.2 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): High vulnerability (61 of 100).
