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Phylogenetic tree showing number of chromosomes and sex determination system of the Clariidae family (Ozouf-Costaz et al., 1990; Teugels et al., 1992; Na-Nakorn, 1995; Bakhoum, 1996; Liu et al., 1996; Eding et al., 1997; Pandey and Lakra, 1997; Kovács et al., 2001; Eyo and Effiong, 2005; Malla and Ganesh, 2009; Okonkwo and Obiakor, 2010; Awodiran et al., 2015; Maneechot et al., 2016).
