Flip Nicklin / California Grunion (Leuresthes tenuis) schooling, California

John Chan / Green heron (Butorides virescens) stalking and catching a Topsmelt silverside (Atherinops affinis) on the edge of a tidal flat, Bolsa Chica Ecological Reserve, California, USA, September.

Jeff Rotman / Silversides (Atherinops affinis) schooling, Sinai, Egypt, Red Sea

MYN / Krista Schlyer / Inland silverside (Menidia beryllina), Anacostia watershed, Washington DC, USA, April. Meetyourneighbours.net project.

Joel Sartore / Photo Ark / Golden silverside (Labidesthes vanhyningi) close up, Conservation Fisheries. Captive.

Joel Sartore / Photo Ark / Golden silverside (Labidesthes vanhyningi) breathing, Conservation Fisheries. Captive.

Joel Sartore / Photo Ark / Two Brook silverside fish (Labidesthes sicculus) swimming into frame, side profile, Schramm Education Centre. Captive.