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| Nothonotus microlepidus ： ウィキペディア英語版 |
Smallscale darter
''Nothonotus microlepidum'', the smallscale darter, is a species of darter endemic to the southeastern United States. It occurs in the lower Cumberland River drainage in the states of Kentucky and Tennessee. It inhabits shallow riffles with gravel substrates in small rivers. Breeding habits of the smallscale darter are typical of the ''E. maculatum'' group in that females deposit large masses of eggs on the undersides of rocks to be protected by the males. This species is a fairly large, deep-bodied fish with dark background coloration mixed with bright red spots scattered alongiside the body. Nuptial males of this species also have deep green fins with orange margins on the spinous dorsal and caudal fins, with the soft dorsal fins having a dark coloration moving marginally to yellow-orangish center with black margins. This species can reach a length of TL though most only reach about .〔
In 2011, the status of this fish was upgraded to State Endangered for Kentucky. Recent surveys within the Little River revealed only five localities where this species occurs.
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「Smallscale darter」の詳細全文を読む
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