Research Article

Evaluation of Hybridization in Two African Catfishes (Siluriformes, Clariidae): Exotic (Clarias gariepinus Burchell, 1822) and Native (Clarias jaensis Boulenger, 1909) Species under Controlled Hatchery Conditions in Cameroon

Table 3

Heterosis values of growth and survival in reciprocal hybridizations of C. gariepinus × C. jaensis by stage of development.

Stage of developmentHeterosis (%)
GrowthSurvival

From the oocyte to the egg + 7.6
From egg to hatching (D0) + 19.56
Larvae (D0 to D3)Linear + 2.92−1.12
Fry (D3 to D32)Linear + 7 + 1.3
Weight + 6.17

Note: “—” denotes not measured.