Channichthys rhinoceratus Richardson, 1844
Unicorn icefish
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Channichthys rhinoceratus AquaMaps Data sources: GBIF OBIS |
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Channichthys rhinoceratus
Picture by Shandikov, G.A.
Pictures | Google image
Picture by Shandikov, G.A.
Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) > Perciformes/Notothenioidei (Icefishes) > Channichthyidae (Crocodile icefishes)
Etymology: Channichthys: Greek, channe, -es = an anchovy + Greek, ichthys = fish (Ref. 45335).
More on author: Richardson.
Etymology: Channichthys: Greek, channe, -es = an anchovy + Greek, ichthys = fish (Ref. 45335).
More on author: Richardson.
Environment: milieu / climate zone / depth range / distribution range Ecology
Marine; demersal; depth range 1 - 750 m (Ref. 11892). Polar; 46°S - 57°S, 61°E - 83°E
Distribution Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Southern Ocean: endemic to the Kerguelen-Heard Plateau, Antarctica.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 60.0 cm TL male/unsexed; (Ref. 2805); common length : 40.0 cm TL male/unsexed; (Ref. 2805); max. published weight: 500.00 g (Ref. 4883)
Max length : 60.0 cm TL male/unsexed; (Ref. 2805); common length : 40.0 cm TL male/unsexed; (Ref. 2805); max. published weight: 500.00 g (Ref. 4883)
Short description Identification keys | Morphology | Morphometrics
Vertebrae: 54 - 58.
Body shape (shape guide): elongated.
Body shape (shape guide): elongated.
Adults are found from near shore to farther than 750 m. Feed mainly on fishes and occasionally on algae.
Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Main reference
Upload your references | References | Coordinator | Collaborators
Hureau, J.-C., 1985. Channichthyidae. p. 261-277. In W. Fischer and J.C. Hureau (eds.) FAO species identification sheets for fishery purposes. Southern Ocean (Fishing areas 48, 58 and 88). Rome. Vol. 2. (Ref. 2805)
CITES
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: commercial
FAO - Fisheries: landings search; Publication: search | FishSource | Sea Around Us
More information
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Tools
Special reports
Download XML
Internet sources
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Fisheries: landings search; Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoobank | Zoological Record
Estimates based on models
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Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00132 (0.00060 - 0.00288), b=3.46 (3.28 - 3.64), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
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Trophic level (Ref. 69278) |
3.3 ±0.54 se; based on food items. |
| Generation time | 4.2 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
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Resilience (Ref. 120179) |
Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=4; Fec = 2,770). |
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Fishing Vulnerability (Ref. 59153) |
Moderate to high vulnerability (46 of 100). 🛈 |
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Climate Vulnerability (Ref. 125649) |
High to very high vulnerability (73 of 100). 🛈 |
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Price category (Ref. 80766) |
Very high. |
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Nutrients (Ref. 124155) |
Calcium = 27 [15, 56] mg/100g; Iron = 0.413 [0.189, 0.800] mg/100g; Protein = 17.5 [15.8, 19.2] %; Omega3 = 0.24 [0.12, 0.48] g/100g; Selenium = 23 [9, 53] μg/100g; VitaminA = 7.5 [1.5, 35.0] μg/100g; Zinc = 0.409 [0.275, 0.608] mg/100g (wet weight); |