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Acanthonus armatus Günther, 1878

Bony-eared assfish
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Native range | All suitable habitat | Point map | Year 2050
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Acanthonus armatus   AquaMaps   Data sources: GBIF OBIS
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Image of Acanthonus armatus (Bony-eared assfish)
Acanthonus armatus
Picture by Günther, A.C.L.G.

Brazil country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: First recod collected off Bahia, 1171-1929 m (Ref. 75877).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Mincarone, M.M., J.G. Nielsen and P.A.S. Costa, 2008
National Database:

Common names from other countries

Eeselkala, Hanatoge-ashiro, Cá Chồn gai, ... more

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> Ophidiiformes (Cusk eels) > Ophidiidae (Cusk-eels) > Neobythitinae
Etymology: Acanthonus: Greek, akantha = thorn + Greek, onos = hake.
  More on author: Günther.

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

marino batipelágico; rango de profundidad 1171 - 4415 m (Ref. 75877).   Deep-water; 36°N - 23°S, 81°W - 154°E

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

In deep waters off tropical and subtropical areas of all oceans. Especially abundant in the tropical western Atlantic (Ref. 3686). Reported from Carlsberg Ridge (6°22'N 60°12'E) and New Guinea (Ref. 33390). Known from Gulf of Mexico, Caribbean Sea, southern India, Philippines, Gulf of Panama and tropical west Africa (Ref. 44076).

Tamaño / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 37.5 cm SL macho / no sexado; (Ref. 34024)

Short description Claves de identificación | Morfología | Morfometría

Head large and body tapering. Snout with prominent, bifid spine. Opercular spine long and slender extending well beyond rear margin of head. Well developed spines at lower angle of preopercle. Eye small. Anterior gill arch with 16-22 developed rakers. Precaudal vertebrae 9-10.

Biología     Glosario (por ej. epibenthic)

Benthopelagic at bathyal and abyssal depths (Ref. 56809). Common species (Ref. 34024). Oviparous, with oval pelagic eggs floating in a gelatinous mass (Ref. 205). Noted as having the smallest relative brain size among teleosts, and remarkably large semicircular canals (Ref. 7463).

Life cycle and mating behavior Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Main reference Upload your references | Referencias | Coordinador | Colaboradores

Nielsen, J.G., 1990. Ophidiidae. p. 564-573. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 3686)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 08 July 2014

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Pesquerías: sin interés
FAO(Publication : search) | FishSource |

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Trophic ecology
componentes alimenticios
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Summary page | Datos específicos | Nombres comunes | Photos

Fuentes de Internet

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes(Género, Especie) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Bases de datos nacionales | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Árbol de la vida | Wikipedia(Go, búsqueda) | World Records Freshwater Fishing | Zoobank | Expediente Zoológico

Estimates based on models

Preferred temperature (Ref. 115969): 1.8 - 4.1, mean 2.7 (based on 1440 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00110 (0.00041 - 0.00296), b=3.08 (2.85 - 3.31), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nivel trófico (Ref. 69278):  3.6   ±0.6 se; based on size and trophs of closest relatives
Resiliencia (Ref. 120179):  Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (36 of 100).