Fact Friday

Sea cucumbers have a respiratory system that is really unique. They have neither lungs nor gills. The sea cucumber brings in water exclusively through its cloaca (not its mouth), which is then pushed through the “respiratory tree” and the oxygen is diffused into body fluids from there.

Photo Credit: Ken Marks

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Fact Friday

September 29, 2023

Surgeonfish

Why is it called a surgeonfish? Surgeonfish get their name from the pair of spines that are as sharp as a scalpel. The spines are usually tucked into a groove in their tail, but if you get too close – watch out!

Photo Credit: Ken Marks