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Chaenodraco wilsoni Regan, 1914
SPINY ICEFISH
Life   Vertebrata   Fish   Channichthyidae   Chaenodraco

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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Chaenodraco wilsoni Regan , 1914

Spiny icefish Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Chaenodraco wilsoni   AquaMaps   Data sources: GBIF OBIS
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Pictures | Google image Image of Chaenodraco wilsoni (Spiny icefish) Chaenodraco wilsoni
Picture by Busse, K.

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Channichthyidae (Crocodile icefishes)
Etymology: Chaenodraco: Greek, chaeno = to yawn + Greek, drako = dragon (Ref. 45335 ) .  More on author: Regan .

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

Marine; benthopelagic; depth range 200 - 800 m (Ref. 5200 ).   Polar; 60°S - 78°S, 180°W - 180°E (Ref. 5200 )

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

Southern Ocean: Circum-Antarctic on Antarctic continental shelf. Northernmost records from vicinity of South Orkney Islands and Antarctic Peninsula.

Length at first maturity / Size / Weight / Age

Maturity: L m   ? , range 23 - ? cm
Max length : 43.0 cm TL male/unsexed; (Ref. 5200 ); common length : 30.0 cm TL male/unsexed; (Ref. 2805 )

Short description Morphology | Morphometrics

Dorsal spines (total): 5 - 8; Dorsal soft rays (total): 38-42; Anal spines : 0; Anal soft rays : 32 - 36. Supraorbital ridge not crenulated. Middle lateral line restricted to caudal peduncle; lower lateral line originating from in front of anal-fin origin to above sixth anal ray. Maxilla extending to below anterior third of eye. Opercular bones with 2 upper and 3 lower spines. Preopercular-mandibular canal not joined to temporal canal. Pelvic fins extending beyond anal-fin origin. In life, pale grey, whitish ventrally. Differentiated by the dorsoventrally oval shape; the prominent distally rounded rostrum, pseudo-rostrum and pseudo-antirostrum; the clearly defined excisura ostii and pseudo-excisura ostii; the acutely constricted collum; and the well developed colliculli. Ontogeny: The excisura ostii and the pseudo-excisura ostii become deeper and the crista inferior becomes less distinct with an increase in the fish size.

Biology     Glossary (e.g. epibenthic)

Common in shallower waters of the continental shelf, especially on banks less than 250 m deep in areas where local upwelling increase food supply (Ref. 6390 ). Postlarvae and pelagic juveniles are also found in the upper 100 m (Ref. 5200 ). Food consists of fishes and krill. Spawn in winter (Ref. 6390 ). Larval pelagic phase is long (Ref. 28915 ). Prey to penguins and seals (Ref. 6390 ). Utilized as a food fish (Ref. 5200 ).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Iwami, T. and K.-H. Kock , 1990. Channichthyidae. p. 381-389. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. 462 p. (Ref. 5200 )

IUCN Red List Status (Ref. 120744 )

    Not Evaluated  

CITES (Ref. 118484 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial FAO(fisheries: production ; publication : search ) | FishSource | Sea Around Us

More information

Countries
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Ecology
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Common names
Synonyms
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Predators
Ecotoxicology
Reproduction
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Tools

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Special reports

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Summary page | Point data | Common names | Photos

Internet sources

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 , Search ) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969 ): -1.8 - 1.4, mean -0.8 (based on 825 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00166 (0.00070 - 0.00391), b=3.42 (3.22 - 3.62), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.2   ±0.2 se; Based on diet studies. Resilience (Ref. 120179 ):  Medium, minimum population doubling time 1.4 - 4.4 years (Fec = 393-862). Vulnerability (Ref. 59153 ):  Moderate vulnerability (40 of 100) . Price category (Ref. 80766 ):   Very high .

Entered by Luna, Susan M. Modified by Torres, Armi G. Fish Forum
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