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(詳細はfamily Salmonidae, is found in northern New Mexico and southern Colorado in tributaries of the Rio Grande., It is one of 14 subspecies of cutthroat trout native to the western United States, and is the state fish of New Mexico. Cutthroat trout were the first New World trout encountered by Europeans when in 1541, Spanish explorer Francisco de Coronado recorded seeing trout in the Pecos River near Santa Fe, New Mexico. These were most likely Rio Grande cutthroat trout ==Life history== Rio Grande cutthroat trout typically spawn between mid-May and mid-June. Males are sexually mature at age two; females mature at age three. They live an average of five years, but in rare cases, may survive into their teens. Rio Grande cutthroat feed opportunistically on aquatic insects and terrestrial insects that fall into the water. Rio Grande cutthroat trout have irregular shaped spots that are concentrated behind the dorsal fin, smaller less numerous spots located primarily above the lateral line anterior to the dorsal fin, and basibranchial teeth that are minute or absent. Rio Grande cutthroat trout are light rose to red-orange on the sides and pink or yellow-orange on the belly.〔(【引用サイトリンク】title=Species Profile Rio Grande Cutthroat Trout )〕 The Rio Grande cutthroat trout evolved in New Mexico as a member of a native fish assemblage that included the longnose dace, the Rio Grande chub and the Rio Grande sucker. 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「Rio Grande cutthroat trout」の詳細全文を読む スポンサード リンク
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