文獻來源: Cleaver, R.M., Konings, A.F. & Stauffer, J.R. Jr. (2009): Two new cave-dwelling cichlids of Lake Malawi, Africa. Ichthyological Exploration of Freshwaters, 20 (2): 163-178.Abstract
Six different populations of the Lake Malawi cave-dweller Otopharynx lithobates, each of them distinguished by differences in the male breeding coloration, were examined. We found that morphometric and meristic data of all populations overlap, and that no significant differences could be found to distinguish them. Morphological data of Otopharynx walteri were completely within the range of O. lithobates and we regard them as conspecific. Two other cave-dwelling cichlids are described: Otopharynx spelaeotes, new species, and Otopharynx antron, new species. No geographical variation in the males’ breeding colors of these species was observed. Otopharynx antron is described from a 20 km stretch of the eastern shore of the lake. It is sympatric with O. spelaeotes, but seems to have a more predatory feeding regime. Stigmatochromis modestus, another cave-dwelling species, and Stigmatochromis pleurospilus are compared to the three cave-dwelling members of Otopharynx.
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