MATTHEW OLDFIELD / SCIENCE PHOTO LIBRARY MATTHEW OLDFIELD / SCIENCE PHOTO LIBRARY
Razorfish (Aeoliscus strigatus). This fish, which is found in tropical waters, swims vertically with its head down, usually in large shoals. It feeds on tiny crustaceans and can grow up to 14 centimetres in length. Photographed in Tulamben, Bali, Indonesia.
Model release not required. Property release not required.