
Giant Freshwater Stingray
Scientific name: Himantura chaophraya
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Average lifespan Up to 10 years |
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Size Up to 5.0 m |
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Distribution Indo-china and Borneo |
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Did you know?
Giant freshwater stingray’s deadly stinger barb is used to inject predator with venom when threatened. Giant freshwater stingrays spend most of the time partially buried in sand hiding as self-defence |
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Average lifespan Up to 10 years |
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Size Up to 5.0 m |
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Distribution Indo-china and Borneo |
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Did you know?
Giant freshwater stingray’s deadly stinger barb is used to inject predator with venom when threatened. Giant freshwater stingrays spend most of the time partially buried in sand hiding as self-defense. |

Arapaima
Scientific name: Arapaima gigas
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Average lifespan 15 to 20 years |
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Size Up to 4.5 m |
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Distribution South America |
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Did you know?
Arapaimas consume mostly fish as their main diet. They also eat fruits, seeds, insects, birds, and mammals that can be found on the water surface. Arapaima’s mouth works like a vacuum as they will open their mouth to suck up nearby food or prey. |
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Average lifespan 15 to 20 years |
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Size Up to 4.5 m |
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Distribution South America |
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Did you know?
Arapaimas consume mostly fish as their main diet. They also eat fruits, seeds, insects, birds, and mammals that can be found on the water surface. Arapaima’s mouth works like a vacuum as they will open their mouth to suck up nearby food or prey. |

Alligator Garfish
Scientific name: Lepisosteus spatula
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Average lifespan Up to 50 years |
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Size Up to 3.0 m |
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Distribution South-eastern United States |
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Did you know?
Alligator garfish are known to live and well-adapted in water with low oxygen levels. They have thick air bladder that functions as a lung and also helps to regulate their buoyancy. They may obtain as much as 70 percent of the needed oxygen from the atmosphere. |
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Average lifespan Up to 50 years |
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Size Up to 3.0 m |
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Distribution South-eastern United States |
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Did you know?
Alligator garfish are known to live and well-adapted in water with low oxygen levels. They have thick air bladder that functions as a lung and also helps to regulate their buoyancy. They may obtain as much as 70 percent of the needed oxygen from the atmosphere. |