Morfometría de la especie invasora Clarias gariepinus (Peces: Actinopterygii) en la laguna Leonero, Granma, Cuba

The morphometry of the introduced catfish Clarias gariepinus (Burchell, 1822) in Leonero lagoon was evaluated, in the Rio Cauto municipality, Granma Province, Cuba. A total of 225 individuals were captured using nets with a grid entrance of 60 to 110 mm, during March, July and December of 2010. The total length in centimeters, total weight in kilograms, sex and gonads weigh was recorded for each individual. We also determined gonad development in females. The condition factors were calculated using this data, as well as the gonadosomatic index. The sample size was 149 males and 76 females, the sexual proportion was 1.96 M/F. Total length of the sample average was 61 cm and body weight of 2.0 kg. The maximum size founded was 140 cm and maximum weight of 10.9 kg. No sexual differences between sexes were detected. Condition Factor represented a good health state of the population of fishes. 53 % of females were in reproductive stages III, IV and V, in March and July.