Pterois Radiata Pictures, Images and Stock Photos

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Lionfish in the Atlantic range from 2.0 to 17.7 in. in length, weighing from 0.055 to 2.866 lb. They are well known for their ornate beauty, venomous spines, and unique tentacles. Juvenile lionfish have a unique tentacle located above their eye sockets that varies in phenotype between species. The evolution of this tentacle is suggested to serve to continually attract new prey; studies also suggest it plays a role in sexual selection.

The clearfin lionfish, tailbar lionfish, radiata lionfish, or radial firefish, Pterois radiata, is a carnivorous, ray-finned fish with venomous spines that lives in the Indian and western Pacific Oceans. This is the only lionfish species which has spines without any markings. It can also be recognized by the pair of horizontal white stripes on its caudal peduncle.

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