Data from: Weak disruptive selection and incomplete phenotypic divergence in two classic examples of sympatric speciation: Cameroon crater lake cichlids

complete datasetField data on fitness (growth rates estimated from scale circuli spacing), standard length, five morphological traits, species-diagnostic coloration, and stable isotope ratios for two species complexes of Cameroon cichlids: Barombi Mbo Stomatepia and Ejagham Tilapia.standardized and size-corrected fitness and trait dataStandardized and size-corrected estimates of fitness and five morphological traits used for measuring selection on two species complexes of Cameroon cichlids: Barombi Mbo Stomatepia and Ejagham Tilapia.

本数据集包含两类喀麦隆丽鱼物种复合体的野外实测数据：巴伦比姆博口孵丽鱼属（Barombi Mbo Stomatepia）与埃贾哈姆罗非鱼（Ejagham Tilapia），具体涵盖通过鳞片环纹（scale circuli）间距估算生长速率得到的适合度数据、标准体长、5项形态性状、物种诊断性体色特征，以及稳定同位素比值。此外还包含经标准化校正与体型校正的适合度及性状数据集，即针对上述两类喀麦隆丽鱼物种复合体开展自然选择压力测量所用的适合度与5项形态性状的标准化及体型校正估计值。