Elasmobranquios (tiburones y rayas) (sharks and rays) >
Rhinopristiformes (Shovelnose rays) >
Pristidae (Sawfishes)
Etymology: Pristis: Greek, pristis = saw (Ref. 45335). More on author: Bleeker.
Medioambiente / Clima / Gama
Ecología
; marino; agua dulce; salobre demersal; rango de profundidad 0 - 5 m (Ref. 9859). Tropical; 30°N - 37°S, 25°E - 155°E
Indo-West Pacific: Persian Gulf (Ref. 68964), Red Sea and East Africa to Papua New Guinea, north to southern China, south to New South Wales, Australia.
Length at first maturity / Tamaño / Peso / Age
Maturity: Lm ?, range 430 - ? cm
Max length : 730 cm TL macho / no sexado; (Ref. 5578); common length : 550 cm TL macho / no sexado; (Ref. 11228)
Dark grey to blackish brown above, white to yellowish below (Ref. 11228).
Inshore and intertidal species known to enter freshwater in some areas (Ref. 9859). Found in shallow bays, estuaries, and lagoons (Ref. 11228). Often on the bottom with its saw elevated at an angle to the body axis (Ref. 9859). Feeds on fishes and shellfishes (Ref. 58784). Ovoviviparous (Ref. 50449). Flesh considered tasty (Ref. 11228).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Ovoviviparous, embryos feed solely on yolk (Ref. 50449).
Compagno, L.J.V. and P.R. Last, 1999. Pristidae. Sawfishes. p. 1410-1417. In K.E. Carpenter and V. Niem (eds.) FAO identification guide for fishery purposes. The Living Marine Resources of the Western Central Pacific. FAO, Rome. (Ref. 9859)
IUCN Red List Status (Ref. 115185)
Threat to humans
Traumatogenic (Ref. 9859)
Human uses
Pesquerías: comercial; pesca deportiva: si
Más información
Age/SizeCrecimientoLength-weightLength-lengthLength-frequenciesMorfometríaMorfologíaLarvaDinámica larvariaReclutamientoAbundancia
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Fuentes de Internet
Estimates of some properties based on models
Preferred temperature (Ref.
115969): 24.6 - 29.3, mean 28.5 (based on 2833 cells).
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5234 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00193 - 0.01241), b=3.05 (2.83 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 4.0 ±0.6 se; Based on size and trophs of closest relatives
Resiliencia (Ref.
69278): Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Fec assumed to be <100).
Vulnerability (Ref.
59153): Very high vulnerability (86 of 100) .