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Harelip sucker
The harelip sucker (''Moxostoma lacerum'') was a species of ray-finned fish in the Catostomidae family. It was found only in the United States. It is extinct and has not been seen alive since 1893.〔World Conservation Monitoring Centre 1996. (''Moxostoma lacerum'' ), (IUCN Red List of Threatened Species 2006 )〕
==Description==
Two mouth characteristics separate the harelip sucker from all other catostomids: a nonprotractile upper lip and a lower lip that is divided into two distinct lobes. The head is short, accounting for only 20 to 22 percent of the standard length. The dorsal fin has 11 or 12 soft rays, and its free margin is slightly concave. The lateral line is complete and contains 42 to 46 scales. Body colors of freshly caught specimens are described by Jordan and Brayton (1877) and Jordan (1882). The back is olive to brownish, and the venter and sides are silver or white. The lower fins are slightly orange, while the remaining fins are cream to dusky. The dorsal fin is dusky and edged in black. Although of different genera, this species and the blacktail redhorse in the Mobile basin have similar body colors.〔Les Kaufman, Kenneth Mallory, 1993. ''The Last Extinction'', New England Aquarium Corporation〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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