The dusky shark is currently listed as Vulnerable by the IUCN, but populations continue to decline. The dusky shark is one of the slowest-growing, latest-maturing sharks, bearing small litters after a glong gestation period. These...
A metal wire attached to an outrigger clip on a troll line. The quick-release mechanism of the outrigger clip causes the wire to travel down the bait line when a fish is captured. The metal wire may deter dolphin depredation (Zollett and Read, 2006).