Assertion: pacific lamprey | /r/HasProperty | thought to overwinter
Facets:
Source sentences:
text: They are thought to overwinter and remain in freshwater habitat for approximately one year before spawning.
text: Pacific lampreys are thought to overwinter and remain in freshwater environment for approximately one year before spawning.
text: Pacific lampreys are thought to overwinter and remain in freshwater environment for approximately one year before spawning.