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Article

Visual adaptation in Lake Victoria cichlid fishes: depth-related variation of color and scotopic opsins in species from sand/mud bottoms.

BMC evolutionary biology - 22 Aug 2017

Terai Yohey, Miyagi Ryutaro, Aibara Mitsuto, Mizoiri Shinji, Imai Hiroo, Okitsu Takashi, Wada Akimori, Takahashi-Kariyazono Shiho, Sato Akie, Tichy Herbert, Mrosso Hillary D J, Mzighani Semvua I, Okada Norihiro

Abstract excerpt

BACKGROUND: For Lake Victoria cichlid species inhabiting rocky substrates with differing light regimes, it has been proposed that adaptation of the long-wavelength-sensitive (LWS) opsin gene triggered speciation by sensory drive through color signal divergence. The extensive and continuous sand/mud substrates are also species-rich, and a correlation between male nuptial coloration and the absorption of LWS...

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PMID: 28830359
DOI: 10.1186/s12862-017-1040-x
PMCID: PMC5568302

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