Rexichthys johnpaxtoni, Paxton's escolar

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Rexichthys johnpaxtoni Parin & Astakhov, 1987

Paxton's escolar
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Rexichthys johnpaxtoni   AquaMaps   Data sources: GBIF OBIS
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Image of Rexichthys johnpaxtoni (Paxton\
Rexichthys johnpaxtoni
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Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Scombriformes (Mackerels) > Gempylidae (Snake mackerels)
Etymology: Rexichthys: Latin, rex, rego = king + Greek, ichthys = fish;  johnpaxtoni: Named in honor of John R. Paxton, curator of the collection of fishes of the Australian Museum in Sydney (Ref. 44066).

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

marin benthopélagique; profondeur 270 - 470 m (Ref. 9784). Deep-water; 17°S - 35°S, 140°E - 170°W (Ref. 6181)

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Western Pacific: eastern coast of Australia between 17°31'S and 32°34'S, and from New Caledonia.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 22.0 cm SL mâle / non sexé; (Ref. 6181)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 19; Rayons mous dorsaux (Total): 14-15; Épines anales 2; Rayons mous anaux: 12 - 13; Vertèbres: 34. Body moderately elongate and compressed. Two lateral lines, the lower originating below the 6th to the 7th spine of the first dorsal fin, descending sharply to ventral contour of body, dividing into a short anterior branch and a much longer posterior branch. The pelvic fin represented by 1 spine and 2 tiny soft rays in smaller specimens but entirely absent in specimens over 10 cm SL. Body color is brownish, fins hyaline; first dorsal fin with a black blotch distally on two anterior membranes.

Biologie     Glossaire (ex. epibenthic)

Adults are probably benthopelagic from 400 to 470 m while juveniles are pelagic from 270 to 400 m depth.

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur : Parin, Nikolay V. | Collaborateurs

Nakamura, I. and N.V. Parin, 1993. FAO Species Catalogue. Vol. 15. Snake mackerels and cutlassfishes of the world (families Gempylidae and Trichiuridae). An annotated and illustrated catalogue of the snake mackerels, snoeks, escolars, gemfishes, sackfishes, domine, oilfish, cutlassfishes,. scabbardfishes, hairtails, and frostfishes known to date. FAO Fish. Synop. 125(15):136 p. (Ref. 6181)

Statut dans la liste rouge de l'IUCN (Ref. 125652)

  Non évalué 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

FAO - Publication: search | FishSource |

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Sources Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 13.8 - 17.6, mean 17.2 °C (based on 13 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00372 (0.00166 - 0.00830), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  3.8   ±0.5 se; based on size and trophs of closest relatives
Résilience (Ref. 120179):  Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Assuming tmax>3).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (17 of 100).