Polyacanthonotus challengeri, Longnose tapirfish

Polyacanthonotus challengeri (Vaillant, 1888)

Longnose tapirfish
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This map was computer-generated and has not yet been reviewed.
Polyacanthonotus challengeri   AquaMaps   Data sources: GBIF OBIS
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Image of Polyacanthonotus challengeri (Longnose tapirfish)
Polyacanthonotus challengeri
Picture by Orlov, A.

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

> Notacanthiformes (Halosaurs and deep-sea spiny eels) > Notacanthidae (Deep-sea spiny eels)
Etymology: Polyacanthonotus: Greek, poly = a lot of + Greek, akantha = thorn + Greek,noton = back (Ref. 45335);  challengeri: Named after the H.M.S. Challenger (Ref. 6885).  More on author: Vaillant.

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

; marien bathypelagisch; diepteverspreiding 777 - 4560 m (Ref. 50610), usually 2000 - 3000 m (Ref. 6728).   Deep-water; - 50°S

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North Pacific: Japan, Bering Sea and British Columbia, Canada (Ref. 6885), also south to Oregon, USA (Ref. 35578). South Pacific: known form one specimen collected near New Zealand. Southeast Atlantic: South Africa. Southern Ocean: known from one specimen collected near the Kerguelen Islands. Mainly antitropical (Ref. 5165) but reported from Azores, Canary Islands and Morocco (Ref. 6728).

Size / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm TL mannelijk/geslacht niet bekend; (Ref. )

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 32 - 35; Dorsale zachte stralen (totaal): 0; Wervels: 242 - 244. Caudal fin very small; anal fin with 161-162 rays altogether, 26-35 of which are spines, long, low, confluent with caudal; pectorals with a fleshy base (Ref. 6885). Cream to faintly pink, possibly with light brown markings; black on posterior margins of anal and caudal fins; black on posterior edge of gill cover, lining of mouth and gill chamber, and parts of peritoneum (Ref. 6885).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Feeds on benthic invertebrates, especially amphipods, polychaetes and mysids (Ref. 6728).

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

Voornaamste referentie Upload your references | Referenties | Coördinator | Medewerkers

Gon, O., 1990. Notacanthidae. p. 100-101. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5165)

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

  Niet bedreigd (LC) ; Date assessed: 08 March 2012

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





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Estimates based on models

Preferred temperature (Ref. 115969): 1.5 - 3.4, mean 2.4 °C (based on 2854 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5630   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.2   ±0.42 se; based on food items.
Weerstandsvermogen (Ref. 120179):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Assuming tmax>10).
Kwetsbaarheid (Ref. 59153):  Moderate to high vulnerability (47 of 100) .