Urich - Urichigo

Japanese: ウリチ語 - うりちご

...They also once traveled to southern Sakhalin, where they mixed with the Ainu and Nivkhids in places, leaving traces of assimilation. They speak the Uliqi language, which is closely related to the Nanai language and belongs to the Tungusic-Manchu language family, and generally share a common culture with other peoples in the Amur River basin who speak languages of this family. Traditionally, they settled in the river basin, and their livelihood was based on fishing for salmon and trout that migrate upstream to spawn in summer and autumn, and hunting and gathering in the forests. ...

From [Tungusic languages]

...Group B: (5) Udehe, (6) Orochi. Group C: (7) Nanai (or Gol'd), (8) Olcha (or Ul'chi), (9) Uilta (Orok). Group D: (10) Manchu, (11) Jurchen (Jurchen script). ...

*Some of the terminology explanations that refer to "Uritchi language" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…また，かつては南サハリンにも往来し，所々でアイヌやニブヒ族などと混在，同化の痕跡を残している。ツングース･満州語派に属するナナイ語に近縁のウリチ語を話し，アムール川流域のこの語派の言語を使用する他の諸族と，全体的には共通の文化をもっていた。伝統的には川の流域に定住し，夏から秋に産卵のため遡上するサケ･マスの漁と森林での狩猟･採集を生活の基盤としていた。…