Lifespans of 50 Marine Animals

By
In the Name of Allah---the Most Beneficent, the Most Merciful.

Here’s a comprehensive table listing the average lifespans of 50 marine animals, organized by category. This information is compiled from various  scientific sources and studies.

Marine Mammals

SpeciesAverage Lifespan
Bowhead Whale200 years
Beluga Whale35–50 years
Blue Whale70–90 years
Orca (Killer Whale)30–90 years
Sperm Whale60–70 years
Humpback Whale45–50 years
Narwhal50 years
Harbor Porpoise20 years
Bottlenose Dolphin40–60 years
Dall’s Porpoise15–20 years
Sea Otter15–20 years
Dugong70 years
Manatee60 years

Sharks

SpeciesAverage Lifespan
Greenland Shark272–400 years
Great White Shark70 years
Tiger Shark27 years
Whale Shark70–100 years
Basking Shark50 years
Hammerhead Shark20–30 years
Bull Shark16 years
Mako Shark28–35 years
Thresher Shark19–50 years
Nurse Shark25 years

Bony Fish

SpeciesAverage Lifespan
Rougheye Rockfish205 years
Orange Roughy150 years
Atlantic Cod25 years
Atlantic Halibut50 years
Bluefin Tuna15–30 years
Pacific Salmon3–7 years
Clownfish6–10 years
Anglerfish20 years
Swordfish9 years
Mahi-Mahi4–5 years

Crustaceans

SpeciesAverage Lifespan
American Lobster100 years
Red King Crab20–30 years
Blue Crab3–4 years
Snow Crab20 years
Coconut Crab60 years

Mollusks

SpeciesAverage Lifespan
Ocean Quahog Clam225–507 years
Giant Clam100 years
Common Octopus1–2 years
Giant Pacific Octopus3–5 years
Squid1–2 years

Marine Invertebrates

SpeciesAverage Lifespan
Red Sea Urchin200 years
Black Coral4,000+ years
Glass Sponge10,000+ years
Sea Cucumber5–10 years
Moon Jellyfish1 year

Note: Lifespans can vary based on environmental conditions, predation, and human impact. The figures provided are averages or maximum recorded ages under natural conditions.

Cosmologist, Geologist & Mentor