物种 / 龟鳖目
平滑鳖
Apalone mutica
A medium-sized softshell turtle with a smooth, flat carapace, divided into two recognized subspecies: A. m. mutica and A. m. calvata.
分类路径：龟鳖目 (TESTUDINES) > 隐颈龟亚目 (CRYPTODIRA) > 鳖下目 (TRIONYCHIA) > 鳖总科 (TRIONYCHOIDEA) > 鳖科 (TRIONYCHIDAE) > 鳖亚科 (TRIONYCHINAE) > 滑鳖属 (Apalone) > 平滑鳖 (Apalone mutica)。顺这个路径能知道它在龟鳖目里属于哪个科、哪个属，方便和相近物种做对比。
- 中文名
- 平滑鳖
- 英文名
- Smooth Softshell Turtle
- 拉丁学名
- Apalone mutica
- 分类等级
- 物种
图鉴导读
Apalone mutica
Trivia
The specific epithet 'mutica' means 'blunt' or 'without a point,' referring to the smooth carapace. Two subspecies are recognized: A. m. mutica (smooth softshell) and A. m. calvata (Gulf Coast smooth softshell), distinguished by the presence of a small keel on the carapace in the latter.
Overview
A medium-sized softshell turtle with a smooth, flat carapace, divided into two recognized subspecies: A. m. mutica and A. m. calvata.
Scientific Name
Apalone mutica
Ecological Habits
Inhabits rivers, streams, and lakes with sandy or muddy bottoms and moderate current. Primarily carnivorous, feeding on aquatic insects, crayfish, fish, and mollusks. Buries in substrate for camouflage and hibernation. Basking is common on logs and sandbars.
Major Threats & Conservation
Threats include habitat destruction, water pollution, and collection for the pet trade. Though widespread, local declines have occurred. Conservation measures include habitat preservation and regulation of harvest. Listed as Least Concern due to large range.
Morphological Characteristics
Smooth, soft carapace without keels; color typically olive, greenish, or brown with small dark spots or blotches; plastron white or yellowish. Head and limbs are olive with yellow stripes. Males reach max SCL 26.6 cm, females up to 35.6 cm.
Natural Distribution & Conservation Status
Widely distributed in the central and eastern United States, from the Great Lakes region to the Gulf Coast, including states such as Alabama, Arkansas, Florida, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Minnesota, Mississippi, Missouri, Nebraska, New Mexico, North Dakota, Ohio, Oklahoma, Pennsylvania (extirpated), South Dakota, Tennessee, Texas, West Virginia, and Wisconsin. Estimated indigenous area of occupancy (AOO): 652,923 sq km; extent of occurrence (EOO): 2,972,374 sq km. IUCN Red List: Least Concern (LC) as of 2025. CITES: Appendix II (as Apalone spp.).
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下级分类与收录条目
平滑鳖 下目前收录了 2 个直接下级分类。点击条目可以继续查看对应的分类路径、学名和图鉴资料。