Isopsetta
isolepis
(Lockington, 1880)
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Family:
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Pleuronectidae
(Righteye flounders), subfamily: Pleuronectinae
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www.ccfishery.net
AquaMaps |
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Order:
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Pleuronectiformes
(flatfishes)
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Class:
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Actinopterygii (ray-finned fishes)
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In this site name:
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Butter sole |
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Max. size:
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55.0 cm TL (male/unsexed; Ref. 2850); max. reported age: 11 years |
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Environment: |
demersal; oceanodromous (Ref. 51243); marine; depth range 20 – 425 m
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Climate: |
temperate; 66°N - 32°N |
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Importance:
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fisheries: minor commercial; gamefish: yes |
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Resilience: |
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.26; tmax=11; tm=2) |
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Distribution:
ccfishery.net
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Eastern Pacific: Bristol Bay in the southeastern Bering Sea and Amchitka Island (Aleutian Islands) to Ventura, California, USA.
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Morphology:
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Dorsal
spines
(total): 0 - 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.
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Biology: |
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).
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Red List Status: |
Not in IUCN Red List (Ref. 57073)
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Dangerous:
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harmless
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Coordinator: |
Amaoka, Kunio
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