Slender Sole Oregon Developmental Species Slender sole Lyopsetta exilis Jean McCrae Oregon Dept. Sediment type had a significant effect on the research catches of slender sole. The largest catches were on clayey-silt bottom.
Depth also plays a part in slender sole distribution.
They were most abundant in the 50 - 100 fm range. Life History Reproduction Slender soles spawn in February through June. Eggs and larvae are pelagic. Larvae have been found from 1 to 70 miles offshore. They metamorphosis to adult forms and settle to the bottom before mid-fall.