This website uses cookies to enhance your browsing experience and ensure the functionality of our site. For more detailed information about the types of cookies we use and how we protect your privacy, please visit our Privacy Information page.

×

Cookie Settings

This website uses different types of cookies to enhance your experience. Please select your preferences below:

Icelus bicornis, Twohorn sculpin

You can sponsor this page

Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

  • Back to search
  • About this page
    • More Info
    • Plus d'info
    • Mais info
  • Languages
    • Arabic
    • Bahasa/Malay
    • Bangla
    • Chinese(Si)
    • Chinese(Tr)
    • Deutsch
    • English
    • Español
    • Farsi
    • Français
    • Greek
    • Hindi
    • Italiano
    • Japanese
    • Lao
    • Nederlands
    • Português(Br)
    • Português(Pt)
    • Russian
    • Swedish
    • Thai
    • Vietnamese
  • User feedbacks
    • Comments &
        Corrections
    • Fish Forum
    • Guest Book
    • Facebook
  • Citation
  • Uploads
    • Attach website
    • Upload photo
    • Upload video
    • Upload
        references
    • Fish Watcher
  • Related species
    • Species in
        Icelus
    • Species in
        Cottidae
    • - Classification -
    • Cottidae
    • Perciformes/Cottoidei
    • Teleostei
    • Chordata
    • Animalia
  • Search

Icelus bicornis (Reinhardt, 1840)

Twohorn sculpin
Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Icelus bicornis   AquaMaps   Data sources: GBIF OBIS
Upload your photos and videos
Pictures | Google image
Image of Icelus bicornis (Twohorn sculpin)
Icelus bicornis
Picture by Svensen, E.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

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

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

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

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

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 / Weight / Age

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

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 7 - 10; Dorsal soft rays (total): 17 - 23; Anal spines: 0; Anal soft rays: 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).

Biology     Glossary (e.g. 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 Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Oviparous (Ref. 101741).

Main reference Upload your references | References | Coordinator | Collaborators

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 Red List Status (Ref. 130435: Version 2024-2)

Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource | Sea Around Us

More information

Trophic ecology
Food items
Diet composition
Food consumption
Food rations
Predators
Ecology
Ecology
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics
Distribution
Countries
FAO areas
Ecosystems
Occurrences
Introductions
BRUVS - Videos
Anatomy
Gill area
Brain
Otolith
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genetics
Heterozygosity
Heritability
Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Outreach
Collaborators
Taxonomy
Common names
Synonyms
Morphology
Morphometrics
Pictures
References
References

Tools

Bio-Quiz | E-book | Field guide | Identification keys | Length-frequency wizard | Life-history tool | Point map | Classification Tree | Catch-MSY |

Special reports

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

Download XML

Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): -1.3 - 4.6, mean 0.2 °C (based on 3829 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00450 - 0.01340), b=3.19 (3.04 - 3.34), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  3.1   ±0.35 se; based on food items.
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
Nutrients (Ref. 124155):  Calcium = 67 [25, 167] mg/100g; Iron = 0.491 [0.206, 1.230] mg/100g; Protein = 16.3 [14.1, 18.5] %; Omega3 = 0.407 [0.152, 1.269] g/100g; Selenium = 17.8 [6.1, 46.0] μg/100g; VitaminA = 21.2 [4.2, 104.9] μg/100g; Zinc = 0.671 [0.402, 1.188] mg/100g (wet weight);


Random Species
Back to Search
Comments & Corrections
Back to Top

Accessed through: Not available
FishBase mirror site : Laguna, Philippines
Page last modified by : mrius-barile - 20 July 2016
Total processing time for the page : 0.0748 seconds