Geranium? Spartinae fin snapper? Pterosaur? marine fishes

What is the picture below? Caldwell's fin octopus? Pterapogon kauderni？ ? , commonly known as Surabaya rose, pearl tuna.

Silver-white body, black stripes and white spots covering the body and fins, four black longitudinal stripes, forked tail, bright spots on the body, very beautiful. Its first dorsal fin has tassels, its anus and second dorsal fin have slender stripes, and its tail is deeply forked with obvious color markings, which is easy to identify.

Produced in Indian Ocean, mainly distributed in Indonesia. Due to overfishing, nearly 900,000 pearls are arrested every year. The number of pearl swallowfish has decreased by 89% in the past 12 years, and it has been listed in the red list of the International Union for Conservation of Nature, belonging to an endangered species.