Length frequency distribution, length-weight relationship and condition factor of cichlid fishes (Teleostei: Cichlidae) from the New Calabar River, Nigeria

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OLOPADE Olaniyi Alaba; DIENYE Henry Eyina; EYEKPEGHA Akpojicheko

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Journal: IRANIAN JOURNAL OF ICHTHYOLOGY Year:2018 | Volume:5 | Issue:1 Page(s): 74-80

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Title

Length frequency distribution, length-weight relationship and condition factor of cichlid fishes (Teleostei: Cichlidae) from the New Calabar River, Nigeria

Author(s)

OLOPADE Olaniyi Alaba | DIENYE Henry Eyina | EYEKPEGHA Akpojicheko | Issue Writer Certificate

Keywords

Africa

Allometry

Growth pattern

Isometry

Perciformes

Abstract

This research was conducted to study length frequency distribution, length-weight relationship (LWR) and condition factor of 10 cichlid fishes, viz. Coptodon guineensis, Coptodon zillii, Coptodon dageti, Pelmatolapia mariae, Hemichromis fasciatus, Pelvicachromis taeniatus, Chomidotilapia guntheri, Tylochromis sudanensis, Sarotherodon galilaeus and Sarotherodon melanotheron from New Calabar River. Samples were collected on monthly basis during February to July, 2017. A total of 1073 specimens ranging from 13. 12± 0. 82 to 17. 07± 0. 94cm in total length and 45. 00± 8. 00 to 103. 01± 25. 81g in total weight were collected. The LWR regressions showed that the exponent b value ranged from 2. 38 (Coptodon guineensis) to 3. 00 (Sarotherodon galilaeus). The coefficients of determination (r2) of the LWR regressions ranged between 0. 82 for Coptodon guineensis and 0. 98 for Sarotherodon galilaeus indicating strong LWR relationships. The Fulton condition factor ranged from 1. 95± 0. 06 (Pelvicachromis taeniatus) to 2. 22± 0. 11 (Pelmatolapia mariae), indicating good conditions for the studied species.

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APA: Copy

OLOPADE, Olaniyi Alaba, DIENYE, Henry Eyina, & EYEKPEGHA, Akpojicheko. (2018). Length frequency distribution, length-weight relationship and condition factor of cichlid fishes (Teleostei: Cichlidae) from the New Calabar River, Nigeria. IRANIAN JOURNAL OF ICHTHYOLOGY, 5(1 ), 74-80. SID. https://sid.ir/paper/268404/en

Vancouver: Copy

OLOPADE Olaniyi Alaba, DIENYE Henry Eyina, EYEKPEGHA Akpojicheko. Length frequency distribution, length-weight relationship and condition factor of cichlid fishes (Teleostei: Cichlidae) from the New Calabar River, Nigeria. IRANIAN JOURNAL OF ICHTHYOLOGY[Internet]. 2018;5(1 ):74-80. Available from: https://sid.ir/paper/268404/en

IEEE: Copy

Olaniyi Alaba OLOPADE, Henry Eyina DIENYE, and Akpojicheko EYEKPEGHA, “Length frequency distribution, length-weight relationship and condition factor of cichlid fishes (Teleostei: Cichlidae) from the New Calabar River, Nigeria,” IRANIAN JOURNAL OF ICHTHYOLOGY, vol. 5, no. 1 , pp. 74–80, 2018, [Online]. Available: https://sid.ir/paper/268404/en

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