Kimoto, K. (1990). Copepod Swarms Observed by SCUBA Diving in a Small Inlet of Kyushu, Japan. In: Sparks, A.K. (Ed.). Marine farming and enhancement: Proceedings of the Fifteenth U.S.-Japan Meeting on Aquaculture, Kyoto, Japan October 22-23, 1986, NOAA Technical Report NMFS. 85:105-109.

442159

Kimoto, K.

1990

85:105-109. 

Publication

http://spo.nwr.noaa.gov/tr85.pdf 

Available for editors  

Swarms of copepods were observed by SCUBA diving in Shijiki Bay, southwest of Hirado Island, western Kyushu, Japan, during early spring to midsummer 1984-85. Copepods were densely distributed just above the sea bottom in the daytime and formed various features of swarm according to the configuration of sea bottom and season. Seven swarming copepod species, Acartia omorii, A. steueri, A. sinjiensis, OiJhona ocuJata, 0, davisae, Tortonus longipes, and T. rubidus, were identified. Each swarm consisted of many copepodite stages, sometimes pf a single species but also of a mixture of several species. Species, stage and sex composition, shape of swarm, and swarming location varied seasonally. The swarm maintained a stationary spatial position when the water current was weak. Swarming of Acartia and Oithona may serve as an important food for some juvenile demersaJ nshes during their early demersal stages.

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