Cyclopterus lumpus Basically solitary rather than a schooling fish. Exhibits a homing instinct. Inhabits rocky bottoms but may occur among floating seaweed. Migrates considerable distances in an annual cycle between deeper waters in winter and shallower waters in summer. Maximum depth reported at 868 m. Epibenthic-pelagic. During the spawning season the male becomes reddish in color on the underside, whereas the female is blue-green. Feeds on ctenophores, medusas, small crustaceans, polychaetes, jelly fish and small fishes. Valued for their eggs, which make an inexpensive caviar. Eaten in Nordic countries, marketed fresh or smoked. Male flesh is most demanded and roe is sold fresh.  This picture was taken ar St Abbs

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Picture by Mark Webster