Seasonal Migrations of Mackerel in the Black Sea

Abstract

sonal and spawning migrations. In spite of many observations and experiments, our knowledge as to the factors which force fish to migrate and travel many thousands of miles is very incomplete. We expect of course, that the 1'Extracts from manuscript on The Migrations of Fishes in the Black Sea presented to the sixth meeting of the Russian Scientific Association in Crimea, in November, [Ecology, Vol. IV, No. 4 (pp. 323-439), was issued Oct. 23, 1923]