Arion sp. (roundback slugs) (Clay County, West Virginia, USA) 1 : 無料・フリー素材/写真
Arion sp. (roundback slugs) (Clay County, West Virginia, USA) 1 / James St. John
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
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| 説明 | Arion sp. - roundback slugs in West Virginia, USA.The gastropods (snails & slugs) are a group of molluscs that occupy marine, freshwater, and terrestrial environments. Most gastropods have a calcareous external shell (the snails). Some lack a shell completely, or have reduced internal shells (the slugs & sea slugs & pteropods). Most members of the Gastropoda are marine. Most marine snails are herbivores (algae grazers) or predators/carnivores.Shown above is a pair of mating slugs. Individuals are hermaphroditic - each slug is both male and female. Mating involves the mutual transfer of sperm.Classification: Animalia, Mollusca, Gastropoda, Pulmonata, ArionidaeLocality: western side of Rt. 16, ~1.5 road-miles south of the town of Clay, next to the Elk River, Clay County, central West Virginia, USA---------------------------More info. at:en.wikipedia.org/wiki/Arionidaeanden.wikipedia.org/wiki/Arion_(gastropod) |
| 撮影日 | 2016-10-13 12:51:29 |
| 撮影者 | James St. John |
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