The buoyancy of sprat (Sprattus sprattus) eggs and larvae in the Skagerrak area
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Original versionThis report is not to be cited without prior reference to the authors
Buoyancy of sprat eggs and larvae was determined with a linear density gradient. There were four experimental groups of eggs, three caught at sea and one from spawning in the laboratory. The neutral buoyancy of the sprat eggs ranged from 23.5-26.2 with the salinity range from 30.2-33.2 o/oo. No difference in vertical distribution of eggs in different developmental stages was shown. The sprat larvae are expected to be at the same salinity range as the eggs.