*There is a bony ridge on the cheek. *Dorsal, anal and pelvic spines contain venom glands. *The venom of the lionfish, delivered via an array of needle-like dorsal fins. *The venom is purely defensive *Dorsal fin contains 11 to 17 spines and 8 to 18 soft rays. *Ventral fin has 1 – 3 spines. *Pectoral fin has 15 – 25 rays. *Air bladder physoclistic and gills pseudobranchiate. *Spiracles absent. *Skeleton is ossified. *Viviparous. *Lionfish are popular in some parts of the world as food.
*There is a bony ridge on the cheek. *Dorsal, anal and pelvic spines contain venom glands. *The venom of the lionfish, delivered via an array of needle-like dorsal fins. *The venom is purely defensive *Dorsal fin contains 11 to 17 spines and 8 to 18 soft rays. *Ventral fin has 1 – 3 spines. *Pectoral fin has 15 – 25 rays. *Air bladder physoclistic and gills pseudobranchiate. *Spiracles absent. *Skeleton is ossified. *Viviparous. *Lionfish are popular in some parts of the world as food.