RV Huxley contribution to the International Council for the Exploration of the Sea (Scotland, the northern section, was treated differently). Fishery investigations began in September 1902 under the directorship of Walter Garstang. The work consisted of systematic exploration of the North Sea trawling grounds at different seasons of the year, together with studies of growth and migration of plaice "Pleuronectes platessa" based on tagging experiments, examination of the food of fish and the nature of the seabed. Detailed catch records from North Sea survey stations between 1902 and 1903 were summarised in a report published by Garstang in 1905. Research continued until
Pacific sanddab Pacific sanddab The Pacific sanddab ("Citharichthys sordidus") is a species of flatfish. It is by far the most common sanddab, and it shares its habitat with the longfin sanddab ("C. xanthostigma") and the speckled sanddab ("C. stigmaeus"). It is a medium-sized flatfish, with a light brown color mottled brown or black, occasionally with white or orange spots. The Pacific sanddab is endemic to the northern Pacific Ocean, from the Sea of Japan to the coast of California. They are most commonly found at depths of , though the young inhabit shallower waters, occasionally moving into tide pools. It is an