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Midwater spawning inHaplochromis chrysonotus (Boulenger) (Teleostei: Cichlidae) in Lake Malawi

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Synopsis

Haplochromis chrysonotus, a semipelagic shoaling cichlid from Lake Malawi, has been observed spawning in open water up to ten metres above the substratum. It is suggested that open water spawning without the establishment of a substratum-based territory eliminates competition with other species for breeding space and that it may be a stage in the evolution of a totally pelagic mode of life.

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References cited

  • Fryer, G. & T. D. Iles. 1972. The cichlid fishes of the Great Lakes of Africa: their biology and evolution. Oliver and Boyd, Edinburgh. 641 pp.

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  • Iles, T. D. 1960. A group of zooplankton feeders of the genusHaplochromis (Cichlidae) in Lake Nyasa. Ann. Mag. nat. Hist. 2: 257–280.

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  • Scheuermann, H. 1976. Some notes onLimnochromis — the ‘cypri-cichlids’. Buntbarsche Bulletin 55: 21–24.

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Author notes

  1. David H. Eccles

    Present address: Institute for Freshwater Studies, Rhodes University, 6140, Grahamstown, South Africa

Authors and Affiliations

  1. Fisheries Research Unit, P.O. Box 27, Monkey Bay, Malawi

    David H. Eccles & Digby S. C. Lewis

Authors
  1. David H. Eccles
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  2. Digby S. C. Lewis
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Eccles, D.H., Lewis, D.S.C. Midwater spawning inHaplochromis chrysonotus (Boulenger) (Teleostei: Cichlidae) in Lake Malawi. Environ Biol Fish 6, 201–202 (1981). https://doi.org/10.1007/BF00002783

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  • DOI: https://doi.org/10.1007/BF00002783

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