Restocking projects are ongoing, and it has been introduced to some regions outside its native range, but the latter have generally not become self-sustaining.
ɹᵻstˈɑːkɪŋ pɹˈɑːdʒɛkts ɑːɹ ˈɑːŋɡoʊɪŋ, ænd ɪt hˈæzbiːn ˌɪntɹədˈuːst tə sˌʌm ɹˈiːdʒənz aʊtsˈaɪd ɪts nˈeɪɾɪv ɹˈeɪndʒ, bˌʌt ðə lˈæɾɚ hæv dʒˈɛnɚɹəli nˌɑːt bɪkˌʌm sˈɛlfsəstˈeɪnɪŋ.