Pseudobatos prahli, Gorgona guitarfish

Pseudobatos prahli (Acero P. & Franke, 1995)

Gorgona guitarfish
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Pseudobatos prahli
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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) > Rhinobatidae (Guitarfishes)

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

; marien demersaal; diepteverspreiding ? - 70 m (Ref. 26282).   Tropical; 14°N - 6°S, 92°W - 82°W (Ref. 114953)

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

Eastern Pacific: from Mexico and from north-western Costa Rica to northern Peru.

Size / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 90.0 cm TL mannelijk/geslacht niet bekend; (Ref. 101827); Maximaal gepubliceerd gewicht: 1.4 kg (Ref. 37888)

Korte beschrijving Morfologie | Morfometrie

Rostral cartilage distally enlarged; anterior nasal prolongations reaching medial margin of nostrils; posterior margin of spiracle with 2 folds, the medial one rudimentary; a line of about 77 prickles between nuchal region and first dorsal fin; 3 or 4 prickles on shoulders, few tubercles on snout and small prickles on anterior margin of orbits; body covered dorsally with about 80 white dots (3 to 5 mm in diameter) over a brown body; underbody white except snout with a black diamond shape blotch, extending backward laterally (Ref. 13259).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Living individuals reported to be in sandy and rocky environments near coral-reefs at 18-24 m depth of the Colombian coast (Ref. 101827). In contrast the type specimen was taken from a depth of 70 m (Ref. 26282). Ovoviviparous (Ref. 50449). Males mature at ca. 71 cm TL (Ref. 114953).

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

Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449).

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

Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)

Status op de Rode Lijst van het IUCN (Ref. 123251)

  Onvoldoende gegevens (DD) ; Date assessed: 03 March 2007

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00295 (0.00162 - 0.00538), b=3.08 (2.93 - 3.23), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.6   ±0.5 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref. 120179):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec assumed to be <100).
Kwetsbaarheid (Ref. 59153):  Moderate to high vulnerability (48 of 100) .