Assertion: halibut's eye | /r/CapableOf | migrate to right side
Facets:
value: by the time
type: TEMPORAL
Source sentences:
text: As they grow (by the time they are six months old), one eye migrates to the right side and the young halibut begin swimming sideways, with both eyes on the top of their bodies.
text: When first hatched, the young swim upright; however, they soon start to turn to their left side and the left eye migrates to the right side.