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Evidence for lacustrine breeding by sanjika Opsaridium microcephalum (Teleostei: Cyprinidae) in Lake Malawi

Tweddle, D. and Turner, G.F. (2014) Evidence for lacustrine breeding by sanjika Opsaridium microcephalum (Teleostei: Cyprinidae) in Lake Malawi. African Journal of Aquatic Science, 39 (4). pp. 479-480. DOI: 10.2989/16085914.2014.982499

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Abstract

Three species of Opsaridium occur in the Lake Malawi catchment. The kabyabya Opsaridium tweddleorum is a small species restricted to inflowing rivers and streams, the mpasa Opsaridium microlepis is a large lake-dwelling species that ascends the lower reaches of inflowing rivers during the rains to spawn, and the sanjika Opsaridium microcephalum has riverine, potamodromous and lake spawning populations. Evidence for sanjika spawning in the lake itself, rather than just in rivers, is presented here in the form of observations of courting behaviour by fully mature males and females on exposed rocky shores, together with the presence of pin-head fry in areas remote from any inflowing streams during the dry season.

Item Type: Article
Subjects: Research Publications
Departments: College of Natural Sciences > School of Biological Sciences
Date Deposited: 15 Feb 2015 03:17
Last Modified: 23 Sep 2015 02:50
ISSN: 1608-5914
URI: http://e.bangor.ac.uk/id/eprint/3488
Identification Number: DOI: 10.2989/16085914.2014.982499
Publisher: Taylor & Francis
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