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Photo of a Sole

Species profile

Sole

Microstomus pacificus

Bony fish124 iNat observations

At a glance

Sole (Microstomus pacificus) is a bony-fish species regulated in 6 of 66 jurisdictions tracked by CatchRules across the U.S. and Canada.

The strictest bag limit is 8 (Federal Waters (DFO)); the most generous is 20 (California).

Confirmed by 36 research-grade iNaturalist observations, with California, Washington, and British Columbia the top jurisdictions by observation count.

Notable details

  • Can live over 60 years, one of the longest lifespans of any Pacific flatfish.
  • Both eyes migrate to the left side of the body during larval development.
  • Occurs at depths from 50 m to over 1,500 m along the Pacific coast.
  • Produces a characteristic thick mucus coating on its skin.
  • Grows to about 76 cm (30 in); among the most commercially valuable west coast flatfish.

Background

Microstomus pacificus, the (Pacific) Dover sole, slime sole or slippery sole is a Pacific flatfish of the flounder family which ranges from Baja California to the Bering Sea. It takes its name from a resemblance to the common sole of Europe, which is often called Dover sole.

Background excerpt adapted from Wikipedia's Sole article (CC BY-SA). Visit Wikipedia for the full entry.

Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.