Also known as shingle urchins, or hāʻukeʻuke in Hawaiian, helmet urchins have evolved to resist strong wave action and drying out (which is why they can tolerate being exposed to air). This huge south swell would be no problem for a helmet urchin! Its unique design allows it to stay firmly in place on rocks […]
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Tag Archives: urchin
Sea Urchin Breeding
May 2, 2011 
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Sea urchins are probably some of the most under-appreciated residents of the reef. After all, we are taught to stay away from their sharp, sometimes poisonous, needle-like spines right? Yet, sea urchins are important to the well-being of reef communities. They are herbivores and eat algae and seaweed. On reefs, they keep the amount of algae […]
Continue reading Identify the mystery fish for extra points
December 5, 2010 2 Comments
Early Saturday morning, Mike and I took several volunteers on a REEF survey in the Waikīkī MLCD. Most of us finished the survey as quickly as we could since the water was very chilly! I only took a few photos and I captured a picture of a fish I can not identify. I will give […]
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Reef Watch Waikīkī 