Pristis zijsron  Bleeker, 1851

Longcomb sawfish
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Image of Pristis zijsron (Longcomb sawfish)
Pristis zijsron
Picture by Pillon, R.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

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

Environment / Climate / Range Ecology

Marine; freshwater; brackish; demersal; depth range 0 - 5 m (Ref. 9859).   Tropical; 30°N - 37°S, 25°E - 155°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | 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 / Weight / Age

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

Short description Morphology | Morphometrics

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

Biology     Glossary (e.g. 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 Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

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

Main reference Upload your references | References | Coordinator : McEachran, John | Collaborators

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)

CITES (Ref. 115941)

Threat to humans

  Traumatogenic (Ref. 9859)




Human uses

Fisheries: commercial; gamefish: yes
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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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
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100).
Vulnerability (Ref. 59153):  Very high vulnerability (86 of 100) .
Price category (Ref. 80766):   Medium.