2021-03-01 · The study identified 15 fish farmers, with a total of 301 fish culture facilities in which 86% were ponds and 14% cages with cultivation structure varying from 120 m 2 to 2000 m 2 for ponds and 6 m 3 to 13 m 3 for cages. Two production systems were distinguished including extensive and semi-intensive with 61% and 39% respectively.