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Article

Rapid evolution of troglomorphic characters suggests selection rather than neutral mutation as a driver of eye reduction in cave crabs.

Biology letters - 23 Apr 2013

Klaus Sebastian, Mendoza José C E, Liew Jia Huan, Plath Martin, Meier Rudolf, Yeo Darren C J

Abstract excerpt

This study asked whether reductive traits in cave organisms evolve at a slower pace (suggesting neutral evolution under relaxed selection) than constructive changes, which are likely to evolve under directional selection. We investigated 11 subterranean and seven surface populations of Sundathelphusa freshwater crabs on Bohol Island, Philippines, and examined constructive traits associated with improved food...

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Identifiers

PMID: 23345534
DOI: 10.1098/rsbl.2012.1098
PMCID: PMC3639761

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Source receipt: pubmed, retrieved 7 Sept 2026.

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