Luciogobius is a genus of goby in the subfamily of Oxudercidae, commonly called worm gobies. It is distributed along the coast of northeastern Asia, where species can be found in Korea, China, Taiwan, Vietnam, and Japan. Most species occur in Japan, and several are endemic.
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Luciogobius is a genus of goby in the subfamily of Oxudercidae, commonly called worm gobies. It is distributed along the coast of northeastern Asia, where species can be found in Korea, China, Taiwan, Vietnam, and Japan. Most species occur in Japan, and several are endemic.
These gobies are unusual in appearance and habitat preference. They are relatively small fish, about long, with very elongated bodies. The vertebral column is flexible and finely segmented, with many more vertebrae than most other fish in the family; they have up to 50 vertebrae, whereas most gobies have about 26. This extra-segmented spine helps Luciogobius species burrow in their common habitat, gravel beaches. Most vertebrates would have difficulty living in gravel that is constantly stirred by tidal action, but the flexibility of the bodies of Luciogobius is likely an adaptation to this environment. They also lack scales and the first dorsal fin. Two species, L. albus and L. pallidus, are cave-adapted and live in anchialine waters.
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