Article Number: DRJBB47227498


ISSN: 2734-2158

Vol. 7, Pp. 16-27, 2021

Copyright © 2021

Author(s) retain the copyright of this article

Original Research Article

Morphometric and biomarker indices of fishes in Dangana Lake, Lapai, Niger state

*Adamu, K. M.

Mohammed, Y. M.

Muhammad, H.

Achebe, A. C.

Jeremiah, J.


The need to understand the morphology and functions of fishes in their natural habitat has poised the study of the morphometric and biomarker profiles of fishes in Dangana Lake, Lapai Niger State, Nigeria.  During the period of study, fish samples were caught with a cast net, identified, morphometric indices measured, and blood samples collected for the biomarker profiles. A total of 244 individuals from 3 families and 4 species were identified. Thus, the fishes are family Clariidae (Clarias gariepinus), Cichlidae (Oreochromis niloticus and Tilapia zilli), and Aridae (Lepptocyptis niloticus). The total length of T. zilli, C. gariepinus, L. niloticus and L. niloticus ranged from 2.40-14.0cm (9.64±0.37cm), 4.20-18.00cm (9.70±0.42cm), 8.00-37.00cm (18.93.±1.55cm), 2.40- 5.90cm (4.19±0.14cm) respectively. The body weight of T. zilli ranged from 5.00-55.90g (24.18±1.37), O. niloticus 4.00-115.00g (23.67±2.19), C. gariepinus 11.40-244.00g (69.62±12.31) and L. niloticus 2.30-6.90g (5.01±0.18). The condition factor (K) of all fish species ranged between 2.59-3.26.  The body weight of C. gariepinus was significantly higher (p<0.05) than that of other species.  The biomarker profiles of two sampled fishes (Clarias gariepinus and Tilapia zilli) revealed a significant difference (p<0.05) in haemoglobin (Hgb) and Red blood cell (RBC). However, no significant differences (p>0.05) were recorded in the determined electrolyte reserve concentration and enzymatic activities. C.gariepinus recorded the highest in Alanine aminotransferase (ALT) (33.25±3.33) and Aspartate aminotransferase (AST) (47.00±2.27), Tilapia zilli recorded higher values in alkaline phosphatase (ALP) (89.13±2.04). The biochemical indices recorded higher values in Cholesterol (102.74±3.38), triglycerides (119.49±4.78), glucose (73.14±1.97) and total protein (3.88±0.23) in the sampled fishes. While 137.39±17.02, 103.89±6.76, 92.08±12.76, 129.38±3.25 was recorded for urea, uric acid, bilirubin, and creatinine respectively. Thus the differences in the indices may be attributed to the feeding behaviour, lifestyle, and adaptation of the different fish species in Dangana Lake.

Keywords: Freshwater, pisces, morphological and physiological indices

 Received: April 16, 2021  Accepted: May 19, 2021  Published: May 25, 2021

Adamu Et Al

Copyright © 2021 Direct Research Journal of Biology and Biotechnology