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
Hypselodoris kanga white. The inner edge of each gill is reddish orange in the upper quarter, deep blue in the mid region and white in the basal quarter. The smooth outer side of each gill is orange-red in the upper quarter and the rest has a background colour of light blue with a row of large yellow spots. The two outer corners of each gill are bordered with red at the tip becoming dark blue at the base. This species can reach a total length of at least 70 mm and has been observed feeding on yellow sponges from the genus "Dysidea".