Morphometric characterization of four cichlid species from River Nile and Lake Burullus populations, Egypt

al., Ahmad M. Azab et

doi:10.21608/ejabf.2022.273357

Cited by 1 publication

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References 17 publications

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“…Therefore, the eye diameter can serve as a basis of differentiating this putative hybrid from other tilapine species found in the lagoon. The mean values obtained in this study for AFL, HL, BD and CPL fits within the range reported for Copton zilli by [24]. The mean values of most morphometric measurements in the putative hybrid were higher than that of the O. niloticus except in PDD, POL, LaRL, IOD, VFL, and PPFL.…”

Section: Discussionsupporting

confidence: 87%

Comparative analysis of Oreochromis niloticus and a putative hybrid (Wesafu): A Search for morphometric identity

Sylvanus anene Nwafili,

chinenye Chigbo

2023

Int. J. Sci. Res. Updates

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Oreochromis nilotics is an important aquaculture species worldwide. Members of the tilapiine family hybridize easily in nature. The present study was conducted to examine the morphometric and meristic characteristics of Oreochromis niloticus from New Calabar River and a putative hybrid called Wesafu found in Epe Laggon. The study was based on the hypothesis that the tilapia hybrid will possess traits which will be intermediate to those of O. niloticus. A total of 24 morphometric measurements and 8 meristic counts were used to generate data which were analyzed using t-test. The total length of Wesafu and O. niloticus fish ranged from 7.00 -24.5cm and 12.00 -15.5cm respectively. Our study rejected the hypothesis of mid-values Additionally, the total length and body weight relationship were found to be a straight line in logarithmic scale expressed Log BW = 2.7724 Log TL - 1.6171 and Log BW = 2.8442 Log TL - 1.7114 for both Wesafu and O. niloticus respectively. The value of regression co-efficient "b" obtained for the length-weight relationship of Wesafu and O. niloticus was 2.7 and 2.8 respectively.

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Section: Discussionsupporting

confidence: 87%

Comparative analysis of Oreochromis niloticus and a putative hybrid (Wesafu): A Search for morphometric identity

Sylvanus anene Nwafili,

chinenye Chigbo

2023

Int. J. Sci. Res. Updates

View full text Add to dashboard Cite

show abstract

Morphometric characterization of four cichlid species from River Nile and Lake Burullus populations, Egypt

Abstract: SD= Standard Deviation. Means with different letters in the same rows are significantly different (Duncan test, P ≤ 0.05); a < b < c < d; abbreviations of morphometric ratios were previously recorded in materials & methods.

Cited by 1 publication

References 17 publications

Comparative analysis of Oreochromis niloticus and a putative hybrid (Wesafu): A Search for morphometric identity

Comparative analysis of Oreochromis niloticus and a putative hybrid (Wesafu): A Search for morphometric identity

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