Ikan bertulang rawan (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
Ekologi
laut dasar (demersal). Tropical; 0°S - 30°S
Eastern Pacific: Galapagos Islands and from Peru to northern Chile. Mexican records of this species are erroneous.
Size / Weight / umur
Maturity: Lm ?  range ? - ? cm
Max length : 180 cm TL jantan/; (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.
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 IUCN Red List (Ref. 130435)
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: nilai komersial kecil
Alat, peralatan
laporan khas
muat turun XML
Sumber 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).
Trophic level (Ref.
69278): 3.5 ±0.37 se; based on food items.
Daya lenting (Ref.
120179): Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (Fec=14).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).