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Blog: sea cucumber

White-spotted sea cucumber

Sea cucumbers: not vegetables!

What’s soft, squishy, able to spill its guts and found in most Seattle Aquarium habitats? The sea cucumber! These invertebrates (animals without backbones) can confuse or harm predators by expelling their internal organs—literally spilling their guts—along with a toxic substance, in the direction of an attack. The missing organs regenerate in one to five weeks.

Salt and pepper sea cucumber

Plankton makes its presence known at the Seattle Aquarium

We have been seeing high levels of plankton in our water lately. Many Aquarium exhibits were a bit cloudy last week from all the algae and other planktonic organisms that are becoming more numerous as the season progresses.

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