In northern parts of its range, it is dormant during the winter, where it remains in well-oxygenated, unfrozen water bodies.
ɪn nˈɔːɹðɚn pˈɑːɹts ʌv ɪts ɹˈeɪndʒ, ɪɾ ɪz dˈoːɹmənt dˈʊɹɹɪŋ ðə wˈɪntɚ, wˌɛɹ ɪt ɹᵻmˈeɪnz ɪn wˈɛlˈɑːksɪdʒˌɛneɪɾᵻd, ʌnfɹˈoʊzən wˈɔːɾɚ bˈɑːdiz.