Alex Mustard / Squarespot anthias (Pseudanthias pleurotaenia) male on a coral reef. Anilao, Batangas marine protected area, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean.

Alex Mustard / Portrait of a male Squarespot anthias (Pseudanthias pleurotaenia). Sangeang Island; Sumbawa, Indonesia. Flores Sea.

Aflo / Square-spot fairy basslet (Pseudanthias pleurotaenia) fingerling swimming, Haterumajima, Okinawa, Japan. July.

Georgette Douwma / RF - Tropical reef fish, composite image on black background, Thornback cowfish (Lactoria penthacantha), Mandarinfish (Synchiropus splendidus), Square-spot antias (Pseudanthias pleurotaenia), Lionfis...

Georgette Douwma / RF - Tropical reef fish, composite image on black background, Yellowbar angelfish (Pomacanthus maculosus), Square-spot anthias (Pseudanthias pleurotaenia), male and female, Seagrass filefish (Acreich...

Georgette Douwma / Square-spot anthias (Pseudanthias pleurotaenia) male and female, composite image on black background, Indonesia, Indo-Pacific.

Georgette Douwma / Square-spot anthias (Pseudanthias pleurotaenia) male on black background, Indonesia, Indo- Pacific.

Georgette Douwma / Tropical reef fish composite image on black background, Boxfish (Ostracion meleagris), Squarespot anthias (Pseudanthias pleurotaenia), Blackspotted pufferfish (Arothron nigropunctatus), Rhinopias scor...

David Fleetham / A male Square-spot fairy basslet (Pseudanthias pleurotaenia) in a coral reef, Fiji.

Georgette Douwma / Squarspot anthias (Pseudanthias pleurotaenia) female. Derawan Islands, East Kalimantan, Indonesia.