Food color and marine turtle feeding behavior: Can blue bait reduce turtle bycatch in commercial fisheries? | Consortium for Wildlife Bycatch Reduction

Swimmer, Y., R. Arauz, B. Higgins, L. McNaughton, M. McCracken, J. Ballestero, and R. Brill. Marine Ecology Progress Series

Although effective with captive loggerhead (Caretta caretta) and Kemp˙s ridley (Lepiochelys kempii) sea turtles, blue dyed bait is not effective in reducing olive ridley (Lepidochelys olivacea) and green sea turtle (Chelonia mydas) bycatch in longline fisheries in Costa Rica.

http://www.seaturtle.org/PDF/Swimmer_2005_MarEcolProgSer.pdf