Assertion: common angelfish | /r/HasProperty | pterophyllum scalare
Facets:
value: historically
type: TEMPORAL
Source sentences:
text: The common Angelfish has historically been referred to as Pterophyllum scalare because this angelfish proved to be the hardiest and easiest to breed in captivity.
text: The common Angelfish has historically been referred to as Pterophyllum scalare because this angelfish proved to be the hardiest and easiest to breed in captivity.