Evolutionary Insights into Muscle Fiber Distribution in the Twin Tails of Ornamental Goldfish
Kinya G Ota,
Gembu Abe,
Chen-Yi Wang
et al.
Abstract:Twin-tail ornamental goldfish have a bifurcated caudal fin with a morphology that is extremely diverged from the conventional body plan of the vertebrates. Here, we investigate the musculoskeletal histology of this bifurcated caudal fin. From some of the investigated twin-tail goldfish, we found a twin-tail goldfish specific muscle (hereafter referred to as the “medial caudal muscle”) between left and right bifurcated caudal fin skeletons. Our immunohistochemical analyses revealed that the medial caudal muscle… Show more
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