Malacocottus aleuticus  (Smith, 1904)

Whitetail sculpin
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Malacocottus aleuticus   AquaMaps   Data sources: GBIF OBIS
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Image of Malacocottus aleuticus (Whitetail sculpin)
Malacocottus aleuticus
Picture by Bull. U.S. Bur. Fish.

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

Actinopterygii (ray-finned fishes) > Scorpaeniformes (Scorpionfishes and flatheads) > Psychrolutidae (Fatheads)
Etymology: Malacocottus: Greek, malakos, = soft + Greek, kottos = a fish (Ref. 45335).

Environment / Climate / Range Ecology

Marine; benthopelagic; depth range 300 - 1000 m (Ref. 43939), usually 300 - 600 m (Ref. 50550).   Deep-water, preferred ?

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

North Pacific: off southeastern Kamchatka and Sea of Okhotsk off southwest coast of Kamchatka, eastern Sakhalin Island, and Hokkaido, Japan. Also from the Bering Sea north of Rat Islands and Prince William Sound, Alaska.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 9.8 cm TL male/unsexed; (Ref. 43939)

Short description Morphology | Morphometrics

Dorsal spines (total): 7 - 10; Dorsal soft rays (total): 13-15; Anal spines: 0; Anal soft rays: 10 - 13; Vertebrae: 31 - 32. Body minutely speckled with black; broad black bands from soft dorsal fin to anal fin and behind pectoral axil; caudal peduncle and fin white (Ref. 43939). Pelvic fins very small; caudal fin rounded (Ref. 43939).

Biology     Glossary (e.g. epibenthic)

Collected from sand and broken shell bottom; also caught in pelagic environment (Ref. 43939).

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

Main reference Upload your references | References | Coordinator | Collaborators

Mecklenburg, C.W., T.A. Mecklenburg and L.K. Thorsteinson, 2002. Fishes of Alaska. American Fisheries Society, Bethesda, Maryland. xxxvii +1037 p. (Ref. 43939)

IUCN Red List Status (Ref. 115185)

  Not Evaluated 

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

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

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.3   ±0.1 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .