Management briefs: Effects of electroshocking on the sexual behavior of goldfish and brook trout

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Abstract

I investigated the effect of electroshocking on the reproductive behavior of goldfish Carassius auratus and brook trout Salvelinus fontinalis. In the laboratory, 24 h after being stunned by 400-V pulsed DC, male and female goldfish spawned normally with sexually active conspecifics. Similarly, in an uncontrolled field study, nearly half of male and female brook trout collected by DC electroshocking on their spawning redds and subsequently released were later seen spawning. Although these results suggest that electroshocking does not have long-lasting effects on the behavior of two species of sexually mature fish, caution is still advised when using electroshocking to sample wild spawning fish.

Original languageEnglish (US)
Pages (from-to)862-865
Number of pages4
JournalNorth American Journal of Fisheries Management
Volume14
Issue number4
DOIs
StatePublished - Nov 1994

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