Movie: Male Pacific Leaping Blenny displaying

The dark-coloured fish with a yellowish dorsal fin is a male Pacific Leaping Blenny (Alticus arnoldorum). The fish is in breeding colouration. His frantic-looking bobbing movements are probably made in an attempt to attract a female. One female climbs the rock to the left of the screen and 'ignores' the male.  A second female climbs from directly below, and as the male retreats into a hole in the rock, she follows him.

© University of New South Wales
Terry Ord


The fish were filmed on intertidal rocks at Taga’chang, Guam on 10 June 2011.

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Tags fishes, ichthyology, Pacific Leaping Blenny, male, female, displaying, head, bobbing,