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 language | English (US) |
|---|---|
| Pages (from-to) | 862-865 |
| Number of pages | 4 |
| Journal | North American Journal of Fisheries Management |
| Volume | 14 |
| Issue number | 4 |
| DOIs | |
| State | Published - Nov 1994 |
Bibliographical note
Funding Information:This study was supported by both the Minne- sota Department of Natural Resources and the Minnesota Agricultural Experiment Station (con- tribution 20,850). Bruce Vondracek and four anonymous reviewers kindly reviewed the manuscript and provided many helpful suggestions. I also thank Charles Bell and the Belwin Foundation for granting access to Valley Creek to sample trout.
