my siamese fighting fish keeps hidingTaken together, deletion of the candidate coenhancer of zic1 and zic4, CNE. 006008 was found to be the causative mutation for double tail fighting fish. To date, double tail mutants are only reported in the combating fish and medaka, and both are attributable to mutations in the coregulatory regions of zic1 and zic4 Moriyama et al. 2012. As shown in medaka loss of function of either gene is not capable of cause a double tail phenotype Moriyama et al. 2012.