Postcard from the Reef – Reef Rose

With the appearance, size and color of a rose, the moniker Reef Rose seems to fit. In reality these are the eggs of a large nudibranch, the Spanish dancer. Not at all hard to spot, I had been finding these for years before actually seeing the parent.

I always make a point to check the egg mass closely. There is another nudibranch, a tiny parasitic nudibranch that eats the eggs of the Spanish dancer, a species unsurprisingly called the egg-eating nudibranch.

The eggs of a Spanish Dancer nudibranch (Hexabranchus sanguineus) at Three Tables, Oahu

Author: Andrew

An electrical engineer, amateur astronomer, and diver, living and working on the island of Hawaiʻi.

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