Electrofishing: Backpack and boat elecrofishing
are commonly used fish collection methods. Backpack electroshockers are
used for streams and shallow rivers, where boat shockers are better suited
for rivers and lakes.
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Seining and netting: Seines are used
for fish community studies where large numbers of fish need to be collected. Small nets are used for benthic macroinvertebrate and clams.