Fidel Castro transferred his responsibilities to his brother.
Lanistes farleri is a species of large freshwater snail , an aquatic gastropod mollusk with a gill and an operculum in the family Ampullariidae , the apple snails .. Ampullariidae. Ampullariidae. Lanistes. Lanistes. species. species. freshwater snail. freshwater snail. aquatic. aquatic animal. gastropod. gastropod. mollusk. mollusk. gill. gill. operculum. operculum ( gastropod ). It is endemic to Tanzania .. endemic. Endemism. Tanzania. Tanzania