Congruent geographic variation in saccular otolith shape across multiple species of African cichlids

Aneesh Bose, Holger Zimmermann, Georg Winkler, Alexandra Kaufmann, Thomas Strohmeier, Stephan Koblmüller & Kristina Sefc
The otoliths of teleost fishes exhibit a great deal of inter- and intra-species shape variation. The ecomorphology of the saccular otolith is often studied by comparing its shape across species and populations inhabiting a range of environments. However, formal tests are often lacking to examine how closely variation in otolith shape follows the genetic drift of a neutral trait. Here, we examine patterns of saccular otolith shape variation in four species of African cichlid fishes,...
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These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
What does this mean?