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- Title
Comparison of the color vision and spectral sensitivity of three flatfish species of different ecotypes, and application to selective fishing methods.
- Authors
Matsuda, Keishi; Torisawa, Shinsuke; Hiraishi, Tomonori; Yamamoto, Katsutaro
- Abstract
In this study, we determined the color vision and spectral sensitivity of pointhead flounder, slime flounder, and red halibut by recording electrophysiological S-potentials from isolated retinas; this basic data was collected to aid the selection of appropriate colors and effective wavelengths for selective fishing gear for sustainable fisheries. Four kinds of L-response and one C-response were recorded in the pointhead flounder and red halibut. Two kinds of L-response were recorded in the slime flounder. The occurrence of a C-response indicates the possession of color vision. The C-responses show that the pointhead flounder has superior distinction from blue to yellow, and red halibut has superior distinction from blue and green to red. The most frequently recorded L-responses indicate high spectral sensitivity at 544 nm in pointhead flounder and 518 nm in slime flounder and red halibut. All recorded L- and C-responses indicate sensitivity to ultraviolet wavelengths.
- Subjects
FLATFISHES; HALIBUT; COLOR vision; FISHING; SUSTAINABLE fisheries; SPECTRUM analysis; FISH research; FISHERY sciences; MARINE biology
- Publication
Fisheries Science, 2009, Vol 75, Issue 1, p35
- ISSN
0919-9268
- Publication type
Article
- DOI
10.1007/s12562-008-0008-6