| Long tail : caudal fins are 2/3 in length of the total length . |

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Short tail : caudal fins are 1/3 in length of the total length . |
| Swallow's tail : caudal fins with forked lobes , just like a swallow's tail . |
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Butterfly's tail : caudal fins with two lobes on each side , The appearance resembles butterfly's wings. |
| Broad tail : caudal is broad and just looks like a fan , so it is also called " fantail ". |

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Phoenix tail : long and big caudal fins , resembling the phoenix tail in Chinese legends . It especially refers to "egg-fish". |
| Peacock's tail : caudal fins extending on right and left a spreading tail of peacock , especially referring to Jekin. |
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Curled tail : tail of three lobes , and 2 of the lobes curling forward . It often denotes Tosakin. | |