Icelus bicornis, Twohorn sculpin

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Icelus bicornis (Reinhardt, 1840)

Twohorn sculpin
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Icelus bicornis   AquaMaps   Data sources: GBIF OBIS
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Image of Icelus bicornis (Twohorn sculpin)
Icelus bicornis
Picture by Svensen, E.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Perciformes/Cottoidei (Sculpins) > Cottidae (Sculpins)
Etymology: Icelus: From Icelus = the Morpheus name; mythology.

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

; seewasser demersal; tiefenbereich 0 - 930 m (Ref. 58496).   Polar; 84°N - 51°N, 180°W - 180°E

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Western Atlantic: Canadian Arctic to Hudson and Ungava bays and Newfoundland in Canada. Eastern Atlantic: Greenland, Iceland, Jan Mayen, Spitzbergen, Barents and Kara seas, Bohuslän in Norway (Ref. 4926). Reported from the Alaskan Beaufort Sea (Ref. 28503).

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 15.7 cm SL Männchen/unbestimmt; (Ref. 4698); common length : 7.0 cm SL Männchen/unbestimmt; (Ref. 35388); common length :12 cm SL (female)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 7 - 10; Rückenflossenweichstrahlen (insgesamt): 17-23; Afterflossenstacheln 0; Afterflossenweichstrahlen: 12 - 17. Yellowish with brown spots, most numerous on back; narrow stripes on soft dorsal, pectoral and caudal fins, with dark spots on fin rays (Ref. 4698). Head height equal to head width. Males with a long pointed genital papilla (Ref. 35388).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Found on muddy, sandy or rocky bottoms or among algae (Ref. 4698). Maximum depth at 930 m (Ref. 58426). Benthic (Ref. 58426). Feeds on benthic polychaetes, crustaceans (Hyppolyte, Boreophausia), and large hyperiids (Phascolosoma) (Ref. 4698). Males usually below 7 cm and females below 12 cm. Lives at temperatures -1.7-10°C. Female lays 150-1,000 eggs with a diameter of 3mm (Ref. 35388).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Oviparous (Ref. 101741).

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)

IUCN Rote Liste Status (Ref. 123251)


CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

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Estimates based on models

Preferred temperature (Ref. 115969): -1.3 - 4.6, mean 0.2 °C (based on 3829 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00298 - 0.01684), b=3.13 (2.93 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.1   ±0.35 se; based on food items.
Widerstandsfähigkeit (Ref. 120179):  mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).
Verwundbarkeit (Ref. 59153):  Moderate vulnerability (40 of 100) .
Nutrients (Ref. 124155):  Calcium = 59.3 [24.0, 153.9] mg/100g ; Iron = 0.386 [0.188, 0.820] mg/100g ; Protein = 16.7 [14.4, 19.1] % ; Omega3 = 0.356 [0.138, 1.023] g/100g ; Selenium = 17.9 [7.0, 47.1] μg/100g ; VitaminA = 20.8 [4.9, 82.0] μg/100g ; Zinc = 0.703 [0.392, 1.263] mg/100g (wet weight);