Georgette Douwma / Blueline snappers (Lutjanus kasmira) school with an underwater photographer taking a picture. Maldives, Indian Ocean, 2012

Georgette Douwma / Blueline Snappers (Lutjanus kasmira) school over coral reef. Rinca, Komodo National Park, Indonesia, December.

Georgette Douwma / Blueline snappers (Lutjanus kasmira) hunting over coral reef. Rinca, Komodo National Park, Indonesia.

Georgette Douwma / Blueline snappers (Lutjanus kasmira) school. Rinca, Komodo National Park, Indonesia.

Georgette Douwma / Blueline snappers (Lutjanus kasmira) on coral reef with soft corals. Rinca, Komodo National Park, Indonesia.

Georgette Douwma / Blueline snapper (Lutjanus kasmira) with Bigscale soldierfish (Myripristis berndti) in background, Rinca, Komodo National Park, Indonesia.

Georgette Douwma / Shoal of Blueline snappers (Lutjanus kasmira) Rinca, Komodo National Park, Indonesia

Georgette Douwma / Blueline snapper (Lutjanus kasmira) with Bigscale soldierfish (Myripristis berndti). Rinca, Komodo National Park, Indonesia

GEORGETTE DOUWMA / Shoal of Bluelined snappers (Lutjanus kasmira) Andaman Sea, Thailand

GEORGETTE DOUWMA / Blueline snappers / Kasmira snappers (Lutjanus kasmira) shoal swimming away, Bali, Indonesia

GEORGETTE DOUWMA / Bluelined snappers / Kasmira snappers (Lutjanus kasmira) shoal, Bali, Indonesia

GEORGETTE DOUWMA / Shoal of Bluelined snappers / Kasmira (Lutjanus kasmira) over reef with soft corals, Andaman Sea, Thailand, (Digital composite).

GEORGETTE DOUWMA / Bluelined snappers schooling (Lutjanus kasmira) Lakshadweep, Indian Ocean.

GEORGETTE DOUWMA / Bluelined snappers schooling (Lutjanus kasmira) Lakshadweep, Indian Ocean.

Michael Pitts / Blue lined snapper fish {Lutjanus kasmira} Palau, Micronesia

Juergen Freund / Bluelined snappers schooling, Indian Ocean.

GEORGETTE DOUWMA / Bluelined / Kasmira snapper {Lutjanus kasmira} Andaman sea, Thailand