I originally thought this was Bryaninops yongei, but it turns out this is a different species of wire coral goby, Bryaninops amplus, which is a bit more rare to find in Hawaii, and unlike B. yongei, can get along just fine on man-made objects such as this mooring strand. Correct ID courtesy of John Hoover at www.hawaiisfishes.com If you're looking for good guides to ID Hawaiian marine life, John's books and website are all you need. Mahalo John!
