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Pristis zijsron  Bleeker, 1851

Longcomb sawfish
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Pristis zijsron
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Klassifizierung / Names Namen | Synonyme | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (sharks and rays) > Rhinopristiformes (Shovelnose rays) > Pristidae (Sawfishes)
Etymology: Pristis: Greek, pristis = saw (Ref. 45335).   More on author: Bleeker.

Lebensraum / Klimazone / Range Ökologie

; seewasser; swasser; brackwasser demersal; tiefenbereich 0 - 5 m (Ref. 9859).   Tropical; 30°N - 37°S, 25°E - 155°E

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

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 / Size / Gewicht / Alter

Maturity: Lm ?, range 430 - ? cm
Max length : 730 cm TL Männchen/unbestimmt; (Ref. 5578); common length : 550 cm TL Männchen/unbestimmt; (Ref. 11228)

Kurzbeschreibung Morphologie | Morphometrie

Dark grey to blackish brown above, white to yellowish below (Ref. 11228).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

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 Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Ovoviviparous, embryos feed solely on yolk (Ref. 50449).

Hauptreferenz Upload your references | Referenzen | Koordinator : McEachran, John | Partner

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 Rote Liste Status (Ref. 115185)

CITES (Ref. 115941)

Bedrohung für Menschen

  Traumatogenic (Ref. 9859)




Nutzung durch Menschen

Fischereien: kommerziell; Sportfisch: ja
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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):  PD50 = 0.5234   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00194 - 0.01235), b=3.05 (2.83 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  4.0   ±0.6 se; Based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref. 69278):  niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Fec assumed to be <100).
Verwundbarkeit (Ref. 59153):  Very high vulnerability (86 of 100) .
Preiskategorie (Ref. 80766):   Medium.