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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
| Species | Average Lifespan |
|---|---|
| Bowhead Whale | 200 years |
| Beluga Whale | 35–50 years |
| Blue Whale | 70–90 years |
| Orca (Killer Whale) | 30–90 years |
| Sperm Whale | 60–70 years |
| Humpback Whale | 45–50 years |
| Narwhal | 50 years |
| Harbor Porpoise | 20 years |
| Bottlenose Dolphin | 40–60 years |
| Dall’s Porpoise | 15–20 years |
| Sea Otter | 15–20 years |
| Dugong | 70 years |
| Manatee | 60 years |
Sharks
| Species | Average Lifespan |
|---|---|
| Greenland Shark | 272–400 years |
| Great White Shark | 70 years |
| Tiger Shark | 27 years |
| Whale Shark | 70–100 years |
| Basking Shark | 50 years |
| Hammerhead Shark | 20–30 years |
| Bull Shark | 16 years |
| Mako Shark | 28–35 years |
| Thresher Shark | 19–50 years |
| Nurse Shark | 25 years |
Bony Fish
| Species | Average Lifespan |
|---|---|
| Rougheye Rockfish | 205 years |
| Orange Roughy | 150 years |
| Atlantic Cod | 25 years |
| Atlantic Halibut | 50 years |
| Bluefin Tuna | 15–30 years |
| Pacific Salmon | 3–7 years |
| Clownfish | 6–10 years |
| Anglerfish | 20 years |
| Swordfish | 9 years |
| Mahi-Mahi | 4–5 years |
Crustaceans
| Species | Average Lifespan |
|---|---|
| American Lobster | 100 years |
| Red King Crab | 20–30 years |
| Blue Crab | 3–4 years |
| Snow Crab | 20 years |
| Coconut Crab | 60 years |
Mollusks
| Species | Average Lifespan |
|---|---|
| Ocean Quahog Clam | 225–507 years |
| Giant Clam | 100 years |
| Common Octopus | 1–2 years |
| Giant Pacific Octopus | 3–5 years |
| Squid | 1–2 years |
Marine Invertebrates
| Species | Average Lifespan |
|---|---|
| Red Sea Urchin | 200 years |
| Black Coral | 4,000+ years |
| Glass Sponge | 10,000+ years |
| Sea Cucumber | 5–10 years |
| Moon Jellyfish | 1 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.
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