Gay happy fish can be eaten. Gay happy fish is oily fish, which belongs to the family Sparidae and is common in tropical and temperate seas all over the world. Oil fish is a deep-sea fish. There are more than 40% wax esters in the weight of oil fish. Because the human body can't decompose and absorb wax esters, diarrhea will occur after intestinal stimulation, and orange oil esters will be discharged, but it will not be poisoned.