Assertion: bluefin tuna's size | /r/HasProperty | about 18.5 and 20 metres
Facets:
value: in the northern hemisphere
type: LOCATION
value: respectively
type: DEGREE
Source sentences:
text: In the Northern Hemisphere, the average size of adult males and females is about 18.5 and 20 metres (61 and 66 ft), respectively, averaging 38.5 and 50.5 tonnes (42.5 and 55.5 tons), while in the Southern Hemisphere, it is 20.5 and 22 m (67 and 72 ft), weighing 52.5 and 63 tonnes (58 and 69.5 tons).