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A tiny goby hitchhiking on a nudibranch

By Shane Graber - Posted Sep 13, 2012 11:00 AM
We have heard of shrimp hitchhiking on nudibranchs before, but have you seen a fish hitchhike on one?

The nudibranch below, Hypselodoris bullockii, more commonly called Bullock's Hyperselodoris, is a very colorful nudibranch hailing from the Tropical Western Pacific Ocean and the eastern Indian Ocean.  They are found with quite a variety of colors, ranging from light pinks and oranges all the way to dark purples and blues. It is highly variable and quite beautiful.

Below is a 2:20 minute video of Bullock's Hyperselodoris, which was shot by Vimeo member liquidguru. What's interesting about this video is at about 30 seconds into the movie, the viewer receives an unexpected surprise: an unidentified hitchhiking goby.

We have heard of hitchhiking shrimp on nudibranchs, but never hitchhiking fish:

Author: Shane Graber
Location: Indiana

Shane has kept saltwater tanks for the last 12 years, is a research scientist, lives in northern Indiana, and is a proud Advanced Aquarist staffer.


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