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Cirrhilabrus hygroxerus, a new Timor Sea fairy wrasse

By Leonard Ho - Posted Aug 21, 2016 02:18 AM
Few reef fish are as vibrant as fairy wrasses. The color palette just got more colorful by one species with the formal description of Cirrhilabrus hygroxerus, the monsoon fairy wrasse.
Cirrhilabrus hygroxerus, a new Timor Sea fairy wrasse

Cirrhilabrus hygroxerus (male)

Cirrhilabrus hygroxerus is found in fairly shallow waters (about 18–37 meters deep). Like many other fairy wrasses, the researchers note "its habitat appears to be localized to sloping rubble bottoms with scattered, low outcrops of rock or coral and occasional large coral outcrops."

The new species is most similar to Cirrhilabrus humanni (another recently described fairy wrasse) and C.morrisoni.  These three fairy wrasses appear to have allopatric (geologically isolated) distributions in the Timor Sea.

Gerald R. Allen and Michael P. Hammer gave Cirrhilabrus hygroxerus the common name 'monsoon fairy wrasse," named after Monsoon Aquatics, who provided the type specimens and habitat information that allowed for this species taxonomic study published in the Journal of Ocean Science Foundation.   The formal species name, hygroxerus, is a combination of the Greek hygros, meaning wet, and xeros, meaning dry - a reference to the monsoonal cycle of wet and dry seasons of northern tropical Australia.

C.hygroxerus (female)
C.hygroxerus (female)

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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