Novel complete mitochondrial genomes of eight riverine <i>Lamprologus</i> species (Actinopterygii, Cichlidae) suggest in-situ speciation of the blind cichlid <i>L. lethops</i> in the lower Congo River

Lamprologine cichlids include nearly 100 species from Lake Tanganyika, but only nine are known from the Congo River, including <i>Lamprologus lethops</i>, the only known blind cichlid. Little is known about its natural history. We characterized the complete mitochondrial genomes of <i>L. lethops</i> and seven related riverine species to infer evolutionary relationships. Genomes were similar in size and structure. Riverine Lamprologus formed two non-sister mitochondrial lineages more closely related to Lake Tanganyika lamprologines than to each other, suggesting past introgression or incomplete lineage sorting. <i>Lamprologus lethops</i> was sister to lower Congo River species. Broader taxonomic and genomic sampling is needed.

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Publication Details

Journal
Mitochondrial DNA Part B
Published
2025-06-17
DOI
https://doi.org/10.1080/23802359.2025.2519212
Primary Topic
Fish Biology and Ecology Studies
Type
article
Field-Weighted Citation Impact
0.00

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article

Novel complete mitochondrial genomes of eight riverine Lamprologus species (Actinopterygii, Cichlidae) suggest in-situ speciation of the blind cichlid L. lethops in the lower Congo River

Prosanta Chakrabarty, Naoko Kurata, Melanie L. J. Stiassny, Fernando Alda et al.
Mitochondrial DNA Part B
Fish Biology and Ecology Studies
article

Novel complete mitochondrial genomes of eight riverine Lamprologus species (Actinopterygii, Cichlidae) suggest in-situ speciation of the blind cichlid L. lethops in the lower Congo River

Prosanta Chakrabarty, Naoko Kurata, Melanie L. J. Stiassny, Fernando Alda, S. Elizabeth Alter, Sebastián Jiménez
article en

Abstract

Lamprologine cichlids include nearly 100 species from Lake Tanganyika, but only nine are known from the Congo River, including <i>Lamprologus lethops</i>, the only known blind cichlid. Little is known about its natural history. We characterized the complete mitochondrial genomes of <i>L. lethops</i> and seven related riverine species to infer evolutionary relationships. Genomes were similar in size and structure. Riverine Lamprologus formed two non-sister mitochondrial lineages more closely related to Lake Tanganyika lamprologines than to each other, suggesting past introgression or incomplete lineage sorting. <i>Lamprologus lethops</i> was sister to lower Congo River species. Broader taxonomic and genomic sampling is needed.

Mitochondrial DNA Part BVol. 10(7)
Louisiana State University (US), The Graduate Center, CUNY (US), Houston Museum of Natural Science (US), American Museum of Natural History (US), Consejo Superior de Investigaciones Científicas (ES), California State University, Monterey Bay (US), City University of New York (US), University of Tennessee at Chattanooga (US)
National Science Foundation, Center of Excellence in Applied Computational Science and Engineering, University of Tennessee at Chattanooga
Life below water
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Fish Biology and Ecology Studies
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Novel complete mitochondrial genomes of eight riverine <i>Lamprologus</i> species (Actinopterygii, Cichlidae) suggest in-situ speciation of the blind cichlid <i>L. lethops</i> in the lower Congo River — Prosanta Chakrabarty, Naoko Kurata, et al. · Mitochondrial DNA Part B (2025) | TGRS Research Map | TGRS