Assertion: perch's egg | /r/CapableOf | hatch in 8-10 days
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: The eggs usually hatch in 8-10 days, but can take up to 21 days depending on temperature and proper spawning habitat.
text: Neither parent cares for the eggs, which usually hatch in eight to 10 days.