Title |
Regulation of red fluorescent light emission in a cryptic marine fish
|
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Published in |
Frontiers in Zoology, January 2014
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DOI | 10.1186/1742-9994-11-1 |
Pubmed ID | |
Authors |
Matthias F Wucherer, Nico K Michiels |
Abstract |
Animal colouration is a trade-off between being seen by intended, intra- or inter-specific receivers while not being seen by the unintended. Many fishes solve this problem by adaptive colouration. Here, we investigate whether this also holds for fluorescent pigments. In those aquatic environments in which the ambient light is dominated by bluish light, red fluorescence can generate high-contrast signals. The marine, cryptic fish Tripterygion delaisi inhabits such environments and has a bright red-fluorescent iris that can be rapidly up- and down-regulated. Here, we described the physiological and cellular mechanism of this phenomenon using a neurostimulation treatment with KCl and histology. |
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