Pristis microdon, Largetooth sawfish : fisheries, gamefish

Pristis microdon Latham, 1794

Largetooth 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 microdon   AquaMaps   Data sources: GBIF OBIS
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Image of Pristis microdon (Largetooth sawfish)
Pristis microdon
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Classificatie / Namen Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (haaien en roggen) (sharks and rays) > Rhinopristiformes (Shovelnose rays) > Pristidae (Sawfishes)
Etymology: Pristis: Greek, pristis = saw (Ref. 45335).

Taxonomic Remarks
Synonym of Pristis pristis (Linnaeus, 1758) according to Faria et al., 2012 (Ref. 93006:11) and Weigmann, 2016 (Ref. 106604); status confirmed by William White (pers. Comm., Feb 2016).

Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied Ecologie

marien; zoet water; brak water demersaal; amfidroom (Ref. 51243); diepte 0 - 10 m (Ref. 27000). Tropical; 22°N - 39°S, 20°E - 154°E

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Indo-West Pacific: East Africa to New Guinea, north to the Philippines and Viet Nam, south to Australia. Also Atlantic and eastern Pacific if Pristis perotteti and Pristis zephyreus are synonymized with this species. The original description of Pristis microdon did not give a locality, but most authors have used the name Pristis microdon for the Indo-West Pacific sawfishes of this species group as contrasted from the Atlantic Pristis perotteti and the eastern Pacific Pristis zephyreus.

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturiteit: Lm 270.0, range 240 - 300 cm
Max length : 700 cm TL mannelijk / geslacht onbekend; (Ref. 58048); common length : 500 cm TL mannelijk / geslacht onbekend; (Ref. 2683); max. gepubliceerd gewicht: 600.0 kg (Ref. 3164); max. gerapporteerde leeftijd: 30 Jaren (Ref. 9859)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 0; Anale stekels: 0. Diagnosis: A heavily-bodied sawfish with a short but massive saw which is broad-based, strongly tapering and with 14-22 very large teeth on each side; space between last 2 saw-teeth on sides less than 2 times space between first 2 teeth (Ref. 5578). Pectoral fins high and angular, 1st dorsal fin mostly in front of pelvic fins, and caudal fin with pronounced lower lobe (Ref. 5578).


Body shape (shape guide): elongated; Cross section: compressed.

Biologie     Verklarende woordenlijst (bv. epibenthic)

Inhabits sandy or muddy bottoms of shallow coastal waters, estuaries, river mouths, and freshwater rivers and lakes. Usually found in turbid channels of large rivers over soft mud bottoms (Ref. 2847, 44894). Adults usually found in estuaries and young ascend into fresh water. Large adults can also be found in fresh water, but are rarely caught (Ref. 12693). Feeds on benthic animals and small schooling species. Ovoviviparous (Ref. 50449). The saw is used for grubbing and attacking prey as well as for defense. The saws sell as tourist souvenirs (Ref. 7248). Occasionally caught by demersal tangle net and trawl fisheries in the Arafura Sea; possibly extinct in parts of the Indo-Pacific; highly susceptible to gill nets. Utilized for its fins and meat (both of very high value), and skin and cartilage (Ref.58048). Attains 4.6 m total length (Ref. 52193).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Ovoviviparous, embryos feed solely on yolk (Ref. 50449). Gestation period about 5 months (Ref. 9859); litter size 1- 13 (Ref. 5578). Probably breeds in freshwater (Ref.58048).

Hoofdreferentie Upload uw referenties | Referenties | Coördinator : McEachran, John | Medewerkers

Last, P.R. and J.D. Stevens, 1994. Sharks and rays of Australia. CSIRO, Australia. 513 p. (Ref. 6871)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))


CITES

Appendix I: International trade banned

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Traumatogenic (Ref. 4690)





Gebruik door de mens

Visserij: van minder commercieel belang; sportvis: ja
FAO - Publication: search | FishSource |

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Schattingen op basis van modellen

Fylogenetische diversiteitsindex
(Ref. 82804) 		PD50 = 0.5234 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00501 (0.00201 - 0.01247), b=3.05 (2.83 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau
(Ref. 69278) 		3.9   ±0.61 se; based on food items.
Weerstandsvermogen
(Ref. 120179) 		Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (tm=10; tmax=30; Fec=1).
Kwetsbaarheid van de visserij
(Ref. 59153) 		Very high vulnerability (87 of 100). 🛈
Prijsklasse
(Ref. 80766) 		Medium.
Voedingsstoffen
(Ref. 124155) 		Calcium = 13.9 [3.0, 64.7] mg/100g; Iron = 0.512 [0.120, 1.459] mg/100g; Protein = 19.4 [17.2, 21.6] %; Omega3 = 0.0888 [, ] g/100g; Selenium = 53.2 [15.0, 189.9] μg/100g; VitaminA = 4.43 [1.44, 13.30] μg/100g; Zinc = 0.681 [0.321, 1.284] mg/100g (wet weight);