Stone Ax Fish
The stone ax fish is particularly courageous and very keen. When stone ax fish are frightened, they will swim nervously and quickly, and they will also jump out of the water. Therefore, when raising stone ax fish, you need to pay attention to this character trait of stone ax fish and develop a more suitable breeding environment for the stone ax fish.
There are many species of stonefish, which are small freshwater fish with special shapes. Their bodies are extremely flat on the sides, with a narrow straight shape when viewed from top to bottom, a straight back, and an extremely protruding abdomen. When viewed from the side, they look like a Pangu stone axe, hence their name. The eyes are large and the mouth is located upward, which is particularly suitable for feeding on the water. The dorsal fin is set back; the caudal fin is long, and each fin ray is very long; the caudal fin is forked; the pectoral fin is particularly large, and it looks like a soaring bird when swimming, so it is commonly known as "swallow". Most species of stone ax fish have plain and simple body colors and transparent fins. Depending on the species, body length varies from 2.5 to 9 cm. There is not much difference between the two sexes. During the breeding period, the female fish with a full abdomen is pregnant with eggs, and it is difficult to distinguish them in other periods.
The main species of stone ax fish found in aquariums include coffee swallows and marble swallows. The coffee swallow is also called the black stone ax fish, with a body length of 4 cm, and the body is translucent dark brown; the marble swallow, also called the yin and yang swallow, has a body length of 4 cm, and the body has diagonal camouflage-like patterns of black, orange and brown.
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