Abstract
A two-man block seine about 16 feet (5 m) long has been modified for studying populations of small fish in the shallow, rapid salmon streams of eastern Canada. It is usually used in conjunction with DC electrofishing aids. The special feature of this seine is an extra strip of netting, the "apron", attached closely to the foot-line but extending back about 1 foot (30 cm) to a free edge over the main netting. This free edge of the apron is held about 4 inches (10 cm) above the main netting by wire gate frames fixed to the foot-line. Fish which would otherwise escape off the net are held in the space between main netting and apron. Construction and use are described in detail.

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