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Two striking Pseudocoris wrasses described

By Leonard Ho - Posted Jul 21, 2015 09:00 AM
Pseudocoris heteroptera (from the Line Islands to Indonesia, north to Taiwan and southern Japan, and south to the Great Barrier Reef) and Pseudocoris occidentalis (western Indian Ocean) are the two newest species of reef wrasses.
Two striking Pseudocoris wrasses described

Terminal phase of Pseudocoris occidentalis.

Juvenile P.occidentalis
Juvenile P.occidentalis

Pseudocoris consists of nine species from the tropical Pacific.  They are underrepresented in the aquarium trade; few specimens find their way into home aquaria compared to other wrasses, partly because this fast-swimming genus is skittish and darts away from divers. Pseudocoris are social wrasses similar to Cirrhilabrus, gathering to eat zooplankton from the water column.

As their name suggests, Pseudocoris are evolutionary offshoots of Coris wrasses.  Like Coris, juvenile Pseudocoris look very different than adults as these photos show.

The open access paper describing these two new species is published in The Journal of The Ocean Science Foundation and also features a very nice, academic review of the genus Pseudocoris with photos of the other incredible species in this genus.

Terminal phase P.heteroptera
Terminal phase P.heteroptera

Juvenile P.heteroptera
Juvenile P.heteroptera

Author: Leonard Ho
Location: Southern California

I'm a passionate aquarist of over 30 years, a coral reef lover, and the blog editor for Advanced Aquarist. While aquarium gadgets interest me, it's really livestock (especially fish), artistry of aquariums, and "method behind the madness" processes that captivate my attention.


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