Greenland shark is about 1.04× longer by these reference values.
These animals are effectively close in maximum-length terms, so measurement uncertainty can matter more than the apparent difference. Greenland shark's weight reference is about 4.9× heavier.
ON THE SAME SCALE
Human. Bus. Whale.
Pick your reference.
Length bars use upper comparison values and do not show body depth, tail proportion or typical adult size. A long thresher tail, for example, does not equal whale-shark body mass.
THE NUMBERS
Side by side.
WHAT THE DATA CAN SAY
Size is not the whole animal.
Length and weight
Goblin shark is represented by photo-based estimates to 5.4–6.17 m / 18–20 ft; Greenland shark by confirmed to about 6.4 m / 21 ft. The longest figures come from regression estimates based on photographs. Age and upper mass involve uncertainty; length is better documented.
Bite evidence
Goblin shark: Jaw speed and protrusion are not the same measurement as bite force. Greenland shark: TuffShark found no defensible species-level bite-force estimate to display.
Living versus extinct
Both species are living, but record-sized individuals are rare. These upper references should not be read as normal adult size.
Ecology changes the matchup
Its jaws shoot forward rapidly; maximum body size remains uncertain. The age estimate is extraordinary; a dependable bite-force figure is not available.
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