Reference

Fries, J. N. 2001. Retention of Coded Wire Tags in four locations in juvenile paddlefish. North American Journal of Fisheries Management 21(4):962-966

Abstract

One hundred eighty juvenile paddlefish Polyodon spathula (mean total length, 240 mm) were tagged with Coded Wire Tags in either the midrostrum, rostrum tip, dorsal fin, or opercular flap. Mean tagging times were significantly longer (P less than or equal to 0.05) for the dorsal fin (19.3 s) and opercular flap ( 18.4 s) than for the midrostrum (5.1 s) and rostrum tip (6.6 s). Tag retention was checked monthly for 3 months. Mean tag retention for the rostrum tip (94.8%) and midrostrum (92.9%) was significantly higher (P less than or equal to 0.05) than that for the opercular flap (86.1%) or dorsal fin (67.4%), and tag retention for the opercular flap was significantly higher (P less than or equal to 0.05) than that for the dorsal fin. My results corroborate rostrum tagging locations recommended by the Mississippi Interstate Cooperative Resource Association.

Tag

Coded Wire Tag (CWT)

Objective

Evaluate tags