Wuwei mermaid

The customs and characteristics of Wuwei mermaid and Giant mermaid are both It almost has the gentle character of a giant mermaid. It likes to swim in the middle layer and is quiet. It is recommended to keep it in a single tank. The black mermaid is loved by many aquarists due to its unique shape and characteristics.

The Wuwei Mermaid has a rhombus-shaped body with extremely flat sides. The trailing edge of the tail fin is straight, and the dorsal and anal fins extend backwards. They are symmetrical on the left and right, like an unfolded sail. The pelvic fins are specialized and filamentous. From the side, it looks like a swallow flying in the air, so it is also called a swallow fish or a giant mermaid. The color of this fish is not beautiful. The basic color of this fish is silvery white, the back is golden yellow, and there are four black horizontal stripes on the side of the body. The first one goes through Passing through the orbit, the second one is on the front edge of the base of the dorsal fin and anal fin, the third one is from the end of the dorsal fin to the end of the anal fin, and the fourth one is at the base of the caudal peduncle.

The body length of Wuwei Mermaid is 10-15CM, disc-shaped and with flat sides. The whole body is as black as ink and the body color is bright. Male fish are generally larger, with round, thick and slightly convex heads, while female fish have straight heads. This is a mutant species of the giant mermaid, whose genetic traits have been stabilized through artificial selection. The body shape is similar to that of a giant mermaid, with wider and shorter fins, like a swallow or a butterfly, and its body is black ink. Some black mermaids have a straight and transparent square at the base of their tail fins, which is very eye-catching.

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