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  1. AN ASSESSMENT OF THE GROWTH RATE OF MPASA, <em>OPSABIDIUM MICROLEPIS</em> (GUNTHER, 1864) (PISCES: CRYPRINIDAE), BY LENGTH FREQUENCY ANALYSIS

    AN ASSESSMENT OF THE GROWTH RATE OF MPASA, OPSABIDIUM MICROLEPIS (GUNTHER, 1864) (PISCES: CRYPRINIDAE), BY LENGTH FREQUENCY ANALYSIS

    Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: D. Tweddle --- Fisheries Department, Malawi
    The mpasa, Opsaridium microlepis, is an important commercial species in areas of Lake Malawi near major inflowing rivers during annual spawning migrations. Plots of length frequency data collected over a series of years from mpasa catches in the Bua and...
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  2. THE BARRED MINNOWS (TELEOSTEI: CYPRINIDAE) OF ZIMBABWE: IS THERE CAUSE FOR CONCERN?

    THE BARRED MINNOWS (TELEOSTEI: CYPRINIDAE) OF ZIMBABWE: IS THERE CAUSE FOR CONCERN?

    Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: B. E. Marshall --- , , Zimbabwe B. Gratwicke --- , , Zimbabwe
    Two species of barred minnow, Opsaridium zambezense and O. peringueyi, occur in Zimbabwe. The former is widely distributed in the Zambezi basin and some other rivers but is now absent from Lake Kariba and possibly some of its tributaries. The...
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  3. AN ASSESSMENT OF THE GROWTH RATE OF MPASA, <em>OPSABIDIUM MICROLEPIS</em> (GUNTHER, 1864) (PISCES: CRYPRINIDAE), BY LENGTH FREQUENCY ANALYSIS

    AN ASSESSMENT OF THE GROWTH RATE OF MPASA, OPSABIDIUM MICROLEPIS (GUNTHER, 1864) (PISCES: CRYPRINIDAE), BY LENGTH FREQUENCY ANALYSIS

    Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: D. Tweddle --- Fisheries Department, Malawi
    The mpasa, Opsaridiwm microlepis, is an important commercial species in areas of Lake Malawi near major inflowing rivers during annual spawning migrations. Plots of length frequency data collected over a series of years from mpasa catches in the Bua and...
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  4. Evidence for lacustrine breeding by sanjika <em>Opsaridium microcephalum</em> (Teleostei: Cyprinidae) in Lake Malawi

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

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: D Tweddle --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa GF Turner --- School of Biological Sciences, UK
    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...
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  5. Current distribution of the southern barred minnow, <em>Opsaridium peringueyi</em> (Pisces: Cyprinidae), in South Africa:Is there reason for concern?

    Current distribution of the southern barred minnow, Opsaridium peringueyi (Pisces: Cyprinidae), in South Africa:Is there reason for concern?

    Item type: Journal Article • Journal: African Zoology • Authors: J.A. Venter --- School of Biological and Conservation Sciences, South Africa P.S.O. Fouché --- Zoology Department, South Africa W. Vlok --- Centre for Aquatic Research, Department of Zoology, South Africa
    In South Africa, relatively small, but healthy populations of Opsaridium peringueyi remain in the middle reaches of the Luvuvhu, Blyde, Sabie and Pongolo Rivers. The species may be extinct in some rivers like the Shingwedzi and lower-Olifants and its status...
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