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    • African Journal of Tropical Hydrobiology and Fisheries
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    • Lake Victoria Fisheries Organization (LVFO)
    • African Journal of Tropical Hydrobiology and Fisheries
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    Food and feeding habits of the African lungfish, Protopterus annectens (Owens) (Pisces: Sarcopterygii) in the flood plains of River Niger in Etsako east of Edo State, Nigeria

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    Author
    Otuogbai, T. M.
    Ikhenoba, A.
    Elakhame, L.
    Date
    2000
    Type
    Article
    Item Usage Stats
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    Abstract/Overview

    An analysis of the gut contents of African lungfish Protopterus annectens(O) using the frequency of occurrence, numerical and volumetric methods show that the fish has selective preference for diets of other fishes, molluscs, insects, crustaceans, annelids and plant materials. The condition factor ranged from 0.30 to 0.68 with a mean value of 0.50. The length weight relationship showed a linear proportionality with a calculated r-value (0.9682, P = 0.01, df = 207) indicating a positive allometric growth. Histological sections revealed striking similarity between the structures of the tongue and the paired fins (pectoral and pelvic). Both have similar types of taste buds, implying similar and possibly related functions. There is therefore, clear evidence that the paired fins play definite and active role in the feeding process of this fish. Such roles may include food location or detection, determination of food suitability and possibly palatability.

    Subject
    Fish Species; Fisheries
    Publisher
    LVFO
    Is Part of Series
    Volume;10
    Permalink
    http://hdl.handle.net/11671/1951
    Collections
    • African Journal of Tropical Hydrobiology and Fisheries [36]


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