Isopsetta isolepis (Lockington, 1880)

Butter sole

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Pleuronectiformes \| Pleuronectidae \| Pleuronectinae
Synonyms	Lepidopsetta isolepis, Pleuronectes isolepis, ... more
Common names	等鳍鲽, Rombica zlotobrzega, Smørtunge, ... more

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Image of Isopsetta isolepis (Butter sole)

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This map was computer-generated and has not yet been reviewed.

AquaMaps Data sources: GBIF OBIS

Main reference

Eschmeyer, W.N., E.S. Herald and H. Hammann. 1983. (Ref. 2850)
Other references | Biblio | Coordinator : Amaoka, Kunio | Collaborators

Size / Weight / Age

Max length : 55.0 cm TL male/unsexed; (Ref. 2850); max. reported age: 11 years (Ref. 6885)

Environment

Demersal; oceanodromous (Ref. 51243); marine; depth range 20 - 425 m (Ref. 6793)

Climate / Range

Temperate; 66°N - 32°N

Eastern Pacific: Bristol Bay in the southeastern Bering Sea and Amchitka Island (Aleutian Islands) to Ventura, California, USA.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 78 - 92; Anal spines: 0; Anal soft rays: 58 - 69; Vertebrae: 39 - 42. Dorsal origin above eye. Caudal rounded. Pectoral small, bluntly pointed.

Common in shallow water on soft, silty bottom. Moves into shallow water in summer and to deeper water in winter (Ref. 6885). Spawning adults exhibit north-south migrations (Ref. 6885). Feeds on chaetopod marine worms, young herring, shrimps, and sand dollars (Ref. 6885). A tasty food fish, sometimes marketed (Ref. 2850). Also used for mink food (Ref. 2850).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: minor commercial; gamefish: yes


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.26; tmax=11; tm=2)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low to moderate vulnerability (35 of 100)	Medium

Entered by Froese, Rainer

Modified by Garilao, Cristina V.

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Page last modified by : elaxamana, 15 July 2009

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