Rhodichthys melanocephalus, Blackhead strainer snailfish

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Rhodichthys melanocephalus Andriashev & Chernova, 2011

Blackhead strainer snailfish
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Rhodichthys melanocephalus
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drawing shows typical fish in this Family.

Classification / Names Populärnamn | synonymer | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (strålfeniga fiskar) > Scorpaeniformes (Scorpionfishes and flatheads) > Liparidae (Snailfishes)
Etymology: Rhodichthys: Greek, rhodeos, a,-on = rose + Greek, ichthys = fish (Ref. 45335);  melanocephalus: Name from Greek ????? – b for black and ?????? – hfor head.

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

; marina djupbottenlevande; djupintervall 1470 - 1695 m (Ref. 86261).   Deep-water

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Arctic Ocean: Norwegian Sea.

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 10.4 cm TL hane/ej könsbestämd; (Ref. 86261); 12.5 cm SL (female)

Short description Morfologi | Morfometri

Mjukstrålar i ryggfenan (totalt): 54-58; Ryggkotor: 62 - 66. This species is distinguished by the following characters: vertebrae 62-66; D 54-58 (3-5 anterior rays short); pectoral-fin rays, 11-14 in upper lobe, 4-7 rudimentary rays in notch, 2-3 in lower lobe; preanal length 36.3-37.4% SL; head 25.3-27.6% SL; postorbital distance (from posterior margin of eye to tip of operculum) large, 14.3-15.5% SL; teeth sharp, closely set and distinctly prominent, with some of posterior teeth much larger than others; posterior margin of gill cover emarginated between rigid ends of gill rays; head and anterior part of body brownish-black; gill cavity and mouth black (Ref. 86261).

Biologi     Ordlista (t.ex. epibenthic)

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Andriashev, A.P. and N.V. Chernova, 2010. Three new snailfishes (Scorpaeniformes: Liparidae) from bathyal depths of the Arctic. Proc. Zool. Inst. Russian Acad. Sci., 314(4):365-380. (Ref. 86261)

IUCN Red List Status (Ref. 120744)


CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO(Publication : search) | FishSource |

Ytterligare information

Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
Stocks
Ekologi
Föda
Födoslag
Födointag
Näringsinnehåll
Populärnamn
synonymer
Metabolik
Predatorer
Ekotoxikologi
Reproduktion
Könsmognad
Lek
Spawning aggregation
Fecundity
Ägg
Egg development
Age/Size
Tillväxt
Length-weight
Length-length
Length-frequencies
Morfometri
Morfologi
Larver
Larvdynamik
Rekrytering
Abundans
referenser
Vattenbruk
Vattenbruksprofil
Avelslinjer
Genetik
Allelfrekvenser
Ärftlighet
Sjukdomar
Behandling
Mass conversion
Medarbetare
Bilder
Stamps, Coins Misc.
Ljud
Ciguatera
Hastighet
Simsätt
Gälyta
Otoliths
Hjärnstorlek
Syn

Verktyg

Special reports

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Internet-källor

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia(Go, sök) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00221 - 0.00989), b=3.17 (2.98 - 3.36), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.4   ±0.6 se; Based on size and trophs of closest relatives
Resiliens (Ref. 120179):  Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (21 of 100) .