Sapphire fish

Adult sapphire fish can reach 12-15 cm in length. When sapphire fish are illuminated by light, they will sparkle, especially their heads, like gems in the sun, hence the name sapphire fish.

Sapphire fish has a spindle-shaped body, slightly flattened laterally, a fan-shaped tail fin, and a straight trailing edge. The head is long, the body color is light gray-blue, the sides of the body are slightly yellow, and the abdomen is slightly blue-yellow. Juvenile fish have horizontal stripes. When mature, the whole body is full of neat light blue freckles, especially its head. , sparkling under the light, especially beautiful. It is easy to distinguish between males and females. The dorsal and anal fins of males are longer and pointed, while the abdomen of females is more extended when they are sexually mature.

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