In Flowerhorn Cichlids, the hump (or Kok as its called) is a storage of fat that helps the fish maintain its energy levels during mating when there isnt enough food. Males are often the ones who grow a Kok, and they will both inflate and deflate over time depending on food availability.All pictures shown are for illustration purposes only. Actual products may vary due to natural variation with livestock. Reviews There are no reviews yet. Be the first to review “Hump Head Flowerhorn Cichlid” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.