The 75 Largest Underwater Species, Ranked by Average Size

ACUSALES THE 75 LARGEST UNDERWATER SPECIES RANKED BY AVERAGE SIZE For some of the underwater species, the average weight and length varied across multiple sources; for these, we used the mean weight and length most commonly found for the species. The species are ranked by average weight, with average length used as a tie-breaker for those with the same mass. Average Weight Average Length Blue Whale O 242,500 Ilbs 유 79 ft Right Whale Fin Whale O 132,300 lbs A 125,700 Ibs a 51 ft 유 64 ft Bowhead 4 Whale 5 Sperm Whale O 120,200 Ibs 68,900 lbs 2 49 ft O 44 ft Humpback Whale Sei Whale O 49,600 lbs O 63,900 lbs 유 49 ft 44 ft 9 Bryde's Whale 42,000 Ibs 8 Gray Whale O 44 ft O 43,000 lbs 유 44 ft 10 Whale Shark O 41,000 Ibs 11 Killer Whale 유 48 ft O 12,000 Ibs 유 23 ft 12 Basking Shark 10,200 Ibs 26 ft 13 Minke Whale 10,000 Ibs 유 25 ft Giant Oceanic 14 Manta Ray Long-Finned 15 Pilot Whale Hoodwinker 17 Sunfish 16 Sharptail Mola 18 Reef Manta Ray 4,400 lbs O 4,000 Ibs O 4,000 Ibs O 4,000 lbs O 3,100 lbs 유 15.5 ft wide a 20 ft 유 9.8 ft 유 7.9 ft 유 10.5 ft False Killer 22 Whale Greenland 23 Shark Megamouth 21 19 Beluga Whale 20 Narwhal Shark 3,000 Ibs 2,645 Ibs 2,600 Ibs 2,600 lbs 2,200 Ibs 유 13 ft 13.1 ft 유 18 ft 16.1 ft 유 21 ft (excluding tusk) Great White 26 Shark 24 Kaluga 25 Ocean Sunfish 27 Giant Devil Ray 28 Tiger Shark 2,200 Ibs 2,200 Ibs O 2,000 lbs 2,000 Ibs 1,125 Ibs a 18.6 ft 유 10 ft 유 15 ft m 9 ft O 12.5 ft 29 Colossal Squid 30 West African Manatee 31 West Indian Manatee 1,000 Ibs 유 10 ft 1,090 Ibs O 990 Ibs 유 32 ft 유 10.7 ft Amazonian 33 Manatee 34 Risso's Dolphin Bluntnose 35 Sixgill Shark Goliath 36 Grouper 32 Dugong O 930 Ibs O 920 Ibs 880 lbs 800 lbs O 800 Ibs 유 9.8 ft 유 9.5 ft 유 10 ft 유 12 ft 유 8.2 ft Leatherback 37 Sea Turtle Pacific White-Beaked 39 Sleeper Shark O 750 Ibs 38 Blue Marlin 40 Sawfish 41 Dolphin O 800 Ibs O 770 Ibs O 700 Ibs O 590 Ibs 유 6 ft 유 11 ft 유 12 ft O 8.2 ft O 8.8 ft Great 45 Hammerhead Shark 42 Beluga Sturgeon 43 Bluefin Tuna 44 Thresher Shark 46 Black Marlin 580 Ibs O 525 Ibs 510 Ibs a 500 Ibs 500 Ibs 10 ft O 6.6 ft 유 16 ft 유 13.1 ft 9 ft 47 Giant Squid Melon-Headed 48 Whale 50 Dall's Porpoise 49 Giant Clam O 470 Ibs O 450 Ibs O 440 Ibs O 430 Ibs a 38 ft 유 10 ft 유 4 ft 유 7.5 ft Bottlenose 53 Dolphin 51 Silky Shark 52 Goblin Shark 54 Swordfish 55 Yellowfin Tuna O 420 Ibs 400 Ibs O 400 Ibs O 400 Ibs O 400 Ibs 8.2 ft 11.5 ft 유 10 ft 유 9.8 ft 유 4.9 ft Mekong 56 Giant Catfish Pygmy Killer 58 Whale Loggerhead Sea Turtle 59 57 Dusky Shark 60 Bull Shark O 385 Ibs 375 Ibs 370 Ibs O 300 Ibs O 290 Ibs 유 5.5 ft 유 10 ft 유 6.5 ft 유 3.2 ft 유 7.9 ft Deepwater Common 62 Dolphin 61 Stingray 63 Blue Shark 64 Green Sea Turtle 65 Bigeye Tuna 260 Ibs 255 lbs 250 lbs 250 Ibs 250 Ibs n 4.9 ft wide 유 7.2 ft 유 8.7 ft a 3.6 ft 유 5.9 ft Right Whale 70 Dolphin Shortfin 67 66 Giant Oarfish Mako Shark 68 Albacore Tuna 69 Sailfish 220 Ibs O 215 Ibs O 215 Ibs 200 lbs 200 Ibs 유 12 ft 유 10 ft 유 3.3 ft 유 9.8 ft n 6.9 ft Australian Lion's Mane 71 Jellyfish 72 Flatback Sea Turtle Hawksbill 73 Sea Turtle Seven-Arm 74 Octopus Giant Pacific 75 Octopus O 200 Ibs @ 200 lbs O 150 Ibs O 133 Ibs O 110 Ibs O Bell diameter 6.7 ft and tentacles up to 100 ft long 유 3.4 ft 유 2.75 ft 유 9.5 ft 유 16 ft https://www.worldanimalfoundation.com https://www.americanoceans.org https://en.wikipedia.org/wiki/ https://oceana.org SOURCES: https://en.wikipedia.org/wiki/List_of_largest_fish https://en.wikipedia.org/wiki/Largest_organisms https://www.treehugger.com/largest-living-creatures-sea-4859211 SIYACHTS.COM