Table 1 Length-weight, otolith length-otolith weight and otolith length-standard length relationships of Sarotherodon melanotheron from Nakwa and Brenu Lagoons of Ghana

Length-weight relationship: FW = aSL^b

0.039SL^3.002

0.054SL^2.839

 a (Cl 95%a)

0.035–0.044

0.046–0.062

 b (Cl 95%b)

2.93–3.07

2.76–2.92

 r²

0.971

0.968

 Growth type

Isometric

Allometric (−)

N

209

176

Otolith length and otolith weight: OW = aOL^b

0.1724OL^2.70

0.2547OL^2.50

 a (Cl 95%a)

0.1577–0.2016

0.2176–0.2981

 b (Cl 95%b)

2.56–2.84

2.35–2.66

r²

0.9507

0.9498

Otolith length and standard length: SL = aOL^b

1.8327OL^0.9815

0.8611OL^1.6598

 a (Cl 95%a)

1.6743–2.0060

0.7756–0.9560

b (Cl 95%b)

0.8814–1.0816

1.5554–1.7642

r²

0.8245

0.9495