Assertion: bluefin tuna | /r/HasProperty | difficult to breed
Facets:
value: notoriously
type: DEGREE
Source sentences:
text: Bluefin tuna, which average 600 pounds at maturity, are notoriously difficult to breed in captivity, and thus, ranches such as Baja Aquafarms must catch wild tuna, only to fatten them up to increase the yield of meat.