FOOD SPECTRUM AND FEEDING SELECTIVITY OF PIKEPERCH (SANDER LUCIOPERCA L.) FRY, REARED IN A POND
Keywords:
zooplankton, pikeperch, fry, body size, fish pond, selectivityAbstract
Diet and growth of pikeperch fry (Sander lucioperca) reared in fish pond was investigated for period
of 32 days. In body size about 11.0 mm main food items are zooplankton representatives of the genus
Bosmina and partly by Copepoda. After reaching a length of 16-19 mm pikeperch fry begin to consume
large representatives of genus Daphnia and genus Moina. From 25-28 mm body length begins consumption of larval forms of insects (Diptera) and others benthic organisms.
The study showed that over a period of 24 days the pikeperch fry increased from about 8 mm to about
32 mm or 4 times.
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