Elasmobranchii (haaien en roggen) (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); maculata: Latin for spotted, referring to many small black spots on body (some specimens are unspotted). (See ETYFish).
More on authors: Kner & Steindachner.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal. Tropical; 0°S - 30°S
Eastern Pacific: Galapagos Islands and from Peru to northern Chile. Mexican records of this species are erroneous.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 180 cm TL mannelijk / geslacht onbekend; (Ref. 244)
Found on the continental shelf, mostly inshore. Possibly to 240 cm. Probably feeds on benthic invertebrates (Ref. 28023). Ovoviviparous (Ref. 50449), with about 14 young to a litter. Size of full-term fetuses 30 to 40 cm. Utilized for human consumption.
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van minder commercieel belang
Tools
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Estimates based on models
Fylogenetische diversiteitsindex (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).
Trofisch niveau (Ref.
69278): 3.5 ±0.37 se; based on food items.
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec=14).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).