Pristis perotteti, Large-tooth sawfish : fisheries

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Pristis perotteti Müller & Henle, 1841

Large-tooth sawfish
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Pristis perotteti
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Classificatie / Names Populaire 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).
More on authors: Müller & Henle.

Issue
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).

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

; marien; zoetwater; brakwater benthopelagisch; amfidroom (Ref. 51243); diepteverspreiding 1 - 122 m (Ref. 55273), usually ? - 10 m (Ref. 55273). Tropical; 32°N - 19°S, 106°W - 15°E (Ref. 55273)

Verspreiding Landen | FAO regio's | Ecosystems | Voorkomen | Point map | Introducties | Faunafri

Northwest Atlantic: Texas, Florida. Northeast Atlantic: West Africa. Eastern and Western Central Pacific: off northern Australia. Indo-China: East Indies. South America: Amazon near Santárem, Brazil.

Length at first maturity / Size / Gewicht / Leeftijd

Maturity: Lm ?, range 300 - ? cm
Max length : 650 cm TL mannelijk/geslacht niet bekend; (Ref. 6902); Maximaal gepubliceerd gewicht: 591.0 kg (Ref. 6902)

Korte beschrijving Morfologie | Morfometrie

Fewer sawteeth (normally 19, rarely 20 on a side). First dorsal fin originate in advance of the origin of the pelvic fins and much more deeply concave posterior margins of the dorsal fins. Saltwater species when fresh-caught, either dark gray or golden brown, while freshwater species are mouse gray with reddish along midback posterior to first dorsal fin, reddish posterior to lower part of sides, first dorsal pale yellow with reddish free rear corner; second dorsal, pelvic fins, caudal and lower sides posterior to first dorsal dull brick red. Reddish tint either normal or result of suffusion with blood below the skin (Ref. 6902).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Inhabits shallow water in the vicinity of the shore and estuarine, particularly lagoons. Generally thought to rarely descend below 10m but have been found at 122m in Lake Nicaragua (Ref. 55273). Tends to run farther upstream in large rivers. Found in temperatures higher than 20-30°C (Ref. 6902). Ovoviviparous (Ref. 50449). Minor commercial, for the curio trade (Ref. 37548).

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

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

Voornaamste referentie Upload your references | Referenties | Coördinator : McEachran, John | Medewerkers

Ferreira, E.J.G., J.A.S. Zuanon and G.M. dos Santos, 1998. Peixes comerciais do médio Amazonas. Instituto Brasileiro do Meio Ambiente e dos Recursos Naturais Renováveis. 211p. (Ref. 27548)

Status op de Rode Lijst van het IUCN (Ref. 125652)


CITES


CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





Gebruik door de mens

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

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Estimates based on models

Preferred temperature (Ref. 115969): 26.1 - 28.5, mean 27.6 °C (based on 544 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5234   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00404 - 0.01712), b=3.00 (2.80 - 3.20), in cm total length, based on LWR estimates for species & Subfamily-BS (Ref. 93245).
Trophic level (Ref. 69278):  4.0   ±0.6 se; based on size and trophs of closest relatives
Generation time: 12.3 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Weerstandsvermogen (Ref. 120179):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (78 of 100) .
Climate Vulnerability (Ref. 125649):   (0 of 100) .
Prijsklasse (Ref. 80766):   Medium.