ʻO Opisthopatus roseus kekahi ʻano o ka ilo velvet i loko o ka ʻohana Peripatopsidae. E like me ka mea i wehewehe ʻia ma mua, ʻo kēia ʻano ʻano he ʻulaʻula rose me 18 mau wāwae.[1] ʻIke ʻia ʻo ia ka ilo ʻeleʻele ʻulaʻula, ʻike ʻia ma ka nahele ʻo Weza, kahi nahele Mistbelt ma ʻApelika Hema. Ua loaʻa nā mea hoʻohālike ma ka papahele o ka ululāʻau ma waena o nā ʻōpala lau, ma lalo, a ma loko o nā lāʻau i hāʻule.
Ua manaʻo mua ʻia ua pau kēia ʻano, akā i ka wā i kākau ʻia ai ua helu ʻia ʻo Critically Endangered e ka IUCN Red List.[2] Ua manaʻo ʻia ʻo ka nalowale ʻana a me ka hoʻohaʻahaʻa ʻana i ka nohona ke kumu o ka emi ʻana o nā ʻano. Ua pili loa lakou me na ilo velvet Hallucigenia sparca. [3][4][5]