1) Nature reserve in Hawaii 
[spider] Nihoa is a spider genus in the mygalomorph family Barychelidae. ==Name== The genus is named after the island Nihoa, where one of the species (N. mahina) is endemic. ==Appearance== N. hawaiiensis males have a length of almost 15 mm, including cheliceres; females are up to 21 mm. Species of this genus occur in Oceania. ...