Ornamental fish trade is highly complex. The radial basis function in a single-layer neural network has
been used to study the relationships related with a response variable, viz. quantity and quality in ornamental
fish trade in Mumbai ornamental fish market on the basis of five predictor variables which have been
identified on the basis of a preliminary survey. Among the five defined predictor variables, post production
services and institutional services have emerged as most important in the determination of the volume
and quality of trade in the ornamental fish in the Mumbai market. This is in sync with the current trade
environments, volume and quality of ornamental fish traded in the Mumbai market.