Category Archives: Marine Animals

Luminescence in the animal kingdom

What’s luminescence? You can probably guess that it has something to do with light. The dictionary defines it as “the creation of light by processes that don’t involve heat.” And you may already know that some creatures are bioluminescent (which more »

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Seattle Aquarium's river otter Waadah has passed away

It is with great sadness that the Seattle Aquarium reports that male North American river otter (NARO) Waadah has passed away. Over the last few days Waadah had been exhibiting lethargy and poor appetite associated with age-related heart disease, a more »

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Redd alert: our chinook salmon are hatching!

Some are still eggs in the redd (the term for a nest of salmon eggs), but many have hatched into the alevin, or newly hatched baby salmon, you see above. Female salmon dig their redds in river beds and deposit more »

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Here comes Hogan!

We’re thrilled to introduce the newest Seattle Aquarium resident, Hogan the harbor seal! Hogan arrived on Tuesday, December 8 after moving from his previous home at the Point Defiance Zoo & Aquarium (PDZA), where he was born on June 2, more »

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Ectotherms vs. endotherms

Do you know the difference between an ectotherm and an endotherm—or even what these terms mean? They both refer to the ways that animals stay warm. When the weather outside is frightful, a blog post about thermoregulation is so delightful! more »

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