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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.

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

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Pesquerías: sin interés
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Más información

Trophic ecology
componentes alimenticios
Diet compositions
Food consumptions
Food rations
Despredadores
Ecology
Ecología
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
Reproducción
Maturities
Fecundities
Spawnings
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Egg(s)
Egg developments
Larva
Dinámica larvaria
Distribution
Países
Áreas FAO
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Ocurrencias, apariciones
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BRUVS - Videos
Anatomy
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Physiology
Body compositions
Nutrients
Oxygen consumptions
Tipo de natación
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Visual pigment(s)
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Diseases / Parasites
Toxicities (LC50s)
Genetics
Genética
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Perfiles de acuicultura
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Taxonomy
Nombres comunes
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References
Referencias

Herramientas

E-book | Guía de campo | Asistente para frecuencias de tallas | Herramienta de ciclo de vida | Mapa de puntos | Classification Tree | Catch-MSY |

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Summary page | Datos específicos | Nombres comunes | Photos

Fuentes de Internet

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

Estimates based on models

Preferred temperature (Ref. 123201): 1.8 - 4.1, mean 2.7 °C (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).