Larvae of Four Lates from Lake Tanganyika
Abstract:Larvae of endemic Lates microlepis, L. angustifrons, L. mariae and L. stappersi from Lake Tanganyika are distinguishable using body form, head spination, fin completion sequence, and distribution pattern of melanophores. The sequence of ontogeny in Tanganyika Lates was closer to marine than to fresh waters fishes. Of this group, larvae of L. microlepis had unique characters, i.e., an elongate spine develops at the angle of the preopercle and pelvic rays develop precociously in conjunction with anterior dorsal rays. When these ontogenetic characters were polarized and larvae of Indo-Pacific Lates were treated as an outgroup for larvae of Tanganyika Lates, we speculate that L. microlepis are most specialized in the extant Lates group and Tanganyika Lates did not form a monophyletic subgenus Luciolates.
Document Type: Research Article
Publication date: 1997-01-01
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