Apterichtus australis, Snake eel

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Apterichtus australis McCosker & Randall, 2005

Snake eel
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Apterichtus australis   AquaMaps   Data sources: GBIF OBIS
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Image of Apterichtus australis (Snake eel)
Apterichtus australis
Picture by Randall, J.E.

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Anguilliformes (Eels and morays) > Ophichthidae (Snake eels) > Ophichthinae
Etymology: Apterichtus: From the Greek απτερόν (apteron), without fins, and ίχθύς (ichtus, more correctly written ichthys; masculine), fish.;  australis: Named australis in recognition of this species' distribution..
More on authors: McCosker & Randall.

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

marien benthopelagisch; diepte 12 - 100 m (Ref. 75631). Tropical; 36°N - 34°S, 136°E - 109°W

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Western Central Pacific: from Japan and the south Pacific island groups of Rapa, Pitcairn, Easter, New Zealand, and possibly Lord Howe.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL mannelijk / geslacht onbekend; (Ref. 75631); 57.0 cm TL (female)

Korte beschrijving Morfologie | Morfometrie

Wervels: 162 - 167. An elongate, finless species of sphagebranchin ophichthine (sensu McCosker 1977) with: tail 45-57% and head 5-5.5% of total length; 3 preopercular pores and 3 pores in supratemporal canal; teeth conical, uniserial on jaws and vomer; body mostly pale in preservative, creamy dorsally and reddish-brown ventrally with light and dark head markings in life; and mean vertebral formula 82–164, total vertebrae 162–167. Anterior nostril within an elongate tube, approximately 1/2 the diameter of the eye, its base about midsnout and anterolaterally directed when viewed from above. Posterior nostril opens in outer lip beneath anterior margin of eye. Branchial openings low, ventral; branchial region modestly expanded, creating a bulbous region in posterior half of head (Ref. 75631).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Occurs over sand with associated rock and coral reef bottoms and collected with ichthyocides and dredges at depths between 12-100 m (Ref. 75631). Largest specimen examined, female at 57 cm TL (Ref. 101270).

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

Distinct pairing (Ref. 205).

Hoofdreferentie Upload your references | Referenties | Coördinator : McCosker, John E. | Medewerkers

McCosker, J.E. and Y. Hibino, 2015. A review of the finless snake eels of the genus Apterichtus (Anguilliformes: Ophichthidae), with the description of five new species. Zootaxa 3941(1):49-78. (Ref. 101270)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Niet bedreigd (LC) ; Date assessed: 13 November 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00089 (0.00039 - 0.00204), b=3.00 (2.80 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  4.0   ±0.7 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref. 120179):  Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (43 of 100).