What are the largest sizes of ocean giants?

40 m. (131.23 ft.) 20 m. (61.65 ft.)

6.5 m. (21.32 ft.)

2 m. (6.56 ft.)

Whale SharkTotal Length: 18.8 m. (61.68 ft.)

Greenland SharkTotal Length: 6.4 m. (21 ft.)

Bluntnose Sixgill SharkTotal Length: 5.5 m. (18.04 ft.)

Colossal SquidTotal Length: 4.2 m. (13.78 ft.)

WalrusTotal Length: 3.8 m. (12.47 ft.)

Japanese Spider CrabLeg Span: 3.7 m. (12.14 ft.)

Ocean SunfishTotal Length: 3.3 m.

(10.82 ft.)

Giant Tube WormTube Length: 3 m.

(9.84 ft.)

Nomura’s JellyfishBell Diameter: 2 m. (6.56 ft.)Leatherback Turtle

Curved CarapaceLength: 2.13 m. (6.98 ft.)

Caribbean GiantBarrel Sponge

Base Diameter: 2.5 m.(8.20 ft.)

Basking SharkTotal Length: 12.27 m. (40.25 ft.)

Giant SquidTotal Length: 12 m. (39.37 ft.)

Giant OctopusRadial Spread: 9.8 m. (32.15 ft.)

OarfishTotal Length: 8 m. (26.25 ft.)

Great White SharkTotal Length: 7 m. (22.96 ft.)

Southern Elephant SealTotal Length: 6.85 m. (22.47 ft.)

Giant Ocean Manta RayDisc Width: 7 m. (22.96 ft.)

Lion’s Mane Jellyfish Blue WhaleTotal Length: 33 m. (108.27 ft.)

Sperm WhaleTotal Length: 24 m. (78.74 ft.)Tentacle Length: 36.6 m. (120 ft.)

HumanTotal Length: 1.7m. (5.6 ft.)

Sizing ocean giants: patterns of intraspecific size variation in marine megafauna by McClain et al DOI: 10.7717/peerj.715

Giant ClamShell Length: 1.37 m. (4.5 ft.)

Australian TrumpetShell Length: 0.72 m. (2.36 ft.)

Giant IsopodTotal Length: 0.5 m. (1.64 ft.)

20 m. (61.65 ft.)

6.5 m. (21.32 ft.)

2 m. (6.56 ft.) 0.5 m. (1.64 ft.)

CC BY 4.0