Rexichthys johnpaxtoni, Paxton's escolar

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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Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | 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 Ökologie

seewasser benthopelagisch; tiefenbereich 270 - 470 m (Ref. 9784). Deep-water; 17°S - 35°S, 140°E - 170°W (Ref. 6181)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

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

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 22.0 cm SL Männchen/unbestimmt; (Ref. 6181)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 19; Rückenflossenweichstrahlen (insgesamt): 14-15; Afterflossenstacheln 2; Afterflossenweichstrahlen: 12 - 13; Wirbelzahl: 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     Fachlexikon (Englisch) (z.B. 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 Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator : Parin, Nikolay V. | Partner

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)

IUCN Rote Liste Status (Ref. 125652)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

FAO - Publication: search | FishSource |

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Internet Quellen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: Genom, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Gehe zu, Suchen | 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).
Trophic level (Ref. 69278):  3.8   ±0.5 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref. 120179):  mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Assuming tmax>3).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (17 of 100).