color: red filament lantern fish, yellow filament lantern fish
color: red filament lantern fish, yellow filament lantern fish
whether cross-border export is exclusively available: no
whether cross-border export is exclusively available: no
The body of Tangyu is small, long and laterally flattened. The abdomen is round, without abdominal ridges. The snout is short and round, and the mouth is small, sub-located. The mouth slantingly descends, with the lower jaw protruding, without tumor-like projections at the front, and the upper jaw without notches. There is no need. The eyes are large, laterally located. The length of the head after the eyes is significantly greater than the length of the snout. The body is covered with round scales, without lateral lines. The dorsal fin is short, with a significant starting point after the pelvic fin. The caudal fin is slightly blunt at the end, and is far behind the starting point of the pelvic fin. The pelvic fin is short and small, with the end reaching the anus. The anus is close to the starting point of the anal fin. The anal fin is close to the relative position of the dorsal fin. The caudal fin is forked, with a slightly pointed end. The hypobranchial bone is arched and relatively narrow. The pharyngeal teeth are slender, with slightly hook-like ends. The gill rakers are short and sparse. There is a two-chambered fish bladder, with the posterior chamber being longer than the anterior chamber. The peritoneum is grayish white.
Tangyu, when alive, has a vibrant and colorful body, making it a famous ornamental fish. Generally, its back is brown, and its belly is silver white. There is a golden or silver-blue longitudinal stripe in the middle of its body, with several dark brown lines above and below the stripe. There is a red round spot at the base of the caudal peduncle. The iris is golden. The base of the dorsal fin is red, and the other fins are yellow-green, with transparent edges. This fish was first discovered in China.GuangzhouSuburban Baiyun Mountain Stream, hence the English name is白云山的鱼。
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