A new species of Diplotaxodon (Cichliformes: Cichlidae) from Lake Malaŵi

Jay R. Stauffer; Adrianus F. Konings

doi:10.11646/zootaxa.4903.2.7

A new species of Diplotaxodon (Cichliformes: Cichlidae) from Lake Malaŵi

Jay R. Stauffer, Adrianus F. Konings

Ecosystem Science and Management

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1 Scopus citations

Abstract

A species of haplochromine cichlid fish of the genus Diplotaxodon Trewavas, endemic to Lake Malaŵi is described: Diplotaxodon dentatus, new species. All eight type specimens were trawled together off Thumbi East Island in the Southeastern arm of the lake at 73 meters in 1985. They were initially identified as D. argenteus because the teeth on the oral jaws were fully exposed with a closed mouth. The shorter snout length of D. dentatus (26.6-29.2 % HL) clearly separates it from D. argenteus (31.7-34.2 % HL). A plot of a principal components analysis further supports the separation of D. dentatus from D. argenteus.

Original language	English (US)
Pages (from-to)	275-284
Number of pages	10
Journal	Zootaxa
Volume	4903
Issue number	2
DOIs	https://doi.org/10.11646/zootaxa.4903.2.7
State	Published - Jan 7 2021

All Science Journal Classification (ASJC) codes

Ecology, Evolution, Behavior and Systematics
Animal Science and Zoology

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10.11646/zootaxa.4903.2.7

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title = "A new species of Diplotaxodon (Cichliformes: Cichlidae) from Lake Malaŵi",

abstract = "A species of haplochromine cichlid fish of the genus Diplotaxodon Trewavas, endemic to Lake Malaŵi is described: Diplotaxodon dentatus, new species. All eight type specimens were trawled together off Thumbi East Island in the Southeastern arm of the lake at 73 meters in 1985. They were initially identified as D. argenteus because the teeth on the oral jaws were fully exposed with a closed mouth. The shorter snout length of D. dentatus (26.6-29.2 % HL) clearly separates it from D. argenteus (31.7-34.2 % HL). A plot of a principal components analysis further supports the separation of D. dentatus from D. argenteus.",

author = "Stauffer, {Jay R.} and Konings, {Adrianus F.}",

note = "Funding Information: We thank Josh Wisor and Sara Mueller who completed the CT scans and digitally segmented the pharyngeal bones. This study was funded in part by Agriculture Experiment Station Project 04585 (Penn State University). Publisher Copyright: Copyright {\textcopyright} 2021 Magnolia Press",

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AU - Stauffer, Jay R.

AU - Konings, Adrianus F.

N1 - Funding Information: We thank Josh Wisor and Sara Mueller who completed the CT scans and digitally segmented the pharyngeal bones. This study was funded in part by Agriculture Experiment Station Project 04585 (Penn State University). Publisher Copyright: Copyright © 2021 Magnolia Press

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AB - A species of haplochromine cichlid fish of the genus Diplotaxodon Trewavas, endemic to Lake Malaŵi is described: Diplotaxodon dentatus, new species. All eight type specimens were trawled together off Thumbi East Island in the Southeastern arm of the lake at 73 meters in 1985. They were initially identified as D. argenteus because the teeth on the oral jaws were fully exposed with a closed mouth. The shorter snout length of D. dentatus (26.6-29.2 % HL) clearly separates it from D. argenteus (31.7-34.2 % HL). A plot of a principal components analysis further supports the separation of D. dentatus from D. argenteus.

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A new species of Diplotaxodon (Cichliformes: Cichlidae) from Lake Malaŵi

Abstract

All Science Journal Classification (ASJC) codes

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