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Pristis zijsron Bleeker, 1851

Longcomb sawfish
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Pristis zijsron   AquaMaps   Data sources: GBIF OBIS
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Image of Pristis zijsron (Longcomb sawfish)
Pristis zijsron
Picture by Pillon, R.


Saudi Arabia country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/sa.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Carpenter, K.E., F. Krupp, D.A. Jones and U. Zajonz, 1997
National Database:

Common names from other countries

Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes(Género, Espécies) | ITIS | CoL | WoRMS | Cloffa

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

Environment: milieu / climate zone / depth range / distribution range Ecologia

marinhas; Água doce; estuarina demersal; intervalo de profundidade 5 - 70 m (Ref. 114953).   Tropical; 30°N - 37°S, 20°E - 155°E (Ref. 114953)

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Indo-West Pacific: Persian Gulf (Ref. 68964), Red Sea and east to South Africa, western India Sri Lanka, Laos to Papua New Guinea, south to New South Wales, western to eastern Australia (Ref. 114953).

Length at first maturity / Tamanho / Peso / Idade

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

Descrição breve Morfologia | Morfometria

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

Biologia     Glossário (ex. epibenthic)

Demersal on both insular and continental shelves, but now thought to be extinct through much if its original range (Ref. 114953). 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). Reaches maturity after 9 years. Females have litters of approximately 12 pups. Maturity size unclear, possibly near 430 cm TL; born at approximately 80 cm TL (Ref. 114953). Flesh considered tasty (Ref. 11228).

Life cycle and mating behavior Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas

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

Referência principal Upload your references | Referências | Coordenador : McEachran, John | Colaboradores

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)

Categoria na Lista Vermelha da IUCN (Ref. 130435)

  Criticamente ameaçada (CR) (A2cd); Date assessed: 11 March 2022

CITES (Ref. 128078)


Ameaça para o homem

  Traumatogenic (Ref. 9859)




Utilização humana

Pescarias: espécies comerciais; peixe desportivo: sim
FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 24.6 - 29.3, mean 28.5 (based on 2833 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5234   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00198 - 0.01270), b=3.05 (2.83 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  4.0   ±0.6 se; based on size and trophs of closest relatives
Resiliência (Ref. 120179):  Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (90 of 100).
Categoria de preço (Ref. 80766):   Medium.