Cut little fishes, 2-4 inches. Males bright blue, top of squarish body orange with white spots. Females uniformly brown with white spots.
They come in a variety of different colors, and are notable for the hexagonal or "honeycomb" patterns in their skin. They swim in a rowing manner. The hexagonal plate-like scales of these fish are fused together into a solid, triangular, box-like carapace, from which the fins, tail, eyes and mouth protrude. Because of these heavy armoured scales, Ostraciidae are limited to slow movements, but few other fish are able to eat the adults. Ostraciidae of the Genus Lactophrys also secrete poisons from their skin into the surrounding water, further protecting them from predation. Although the adults are in general quite square in shape, young Ostraciidae are more rounded. The young often also exhibit brighter colors.
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