Assertion: freshwater pufferfish | /r/HasSubevent | some debate
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Whether or not a particular Pufferfish species should be considered a brackish Pufferfish or a freshwater Pufferfish is often subject to some debate, since there are several Pufferfish species that wander into both brackish waters and fresh waters.