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aqua 11(3)_Cirrhilabrus

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Volume 11, Issue 3 – September 2006

Gerald R. Allen and Mark V. Erdmann: Cirrhilabrus cenderawasih, a new wrasse (Pisces: Labridae) from Papua, Indonesia, pp. 125-131

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SINGLE PAPER

Volume 11, Issue 3 – September 2006

Gerald R. Allen and Mark V. Erdmann: Cirrhilabrus cenderawasih, a new wrasse (Pisces: Labridae) from Papua, Indonesia, pp. 125-131

Abstract

Cirrhilabrus cenderawasih is described from seven specimens, 38.9-65.1 mm SL, collected at Cenderawasih Bay, Papua, Indonesia. It is closely related to C. walindi from Papua New Guinea and the Solomon Islands, but differs with regards to male colour pattern, particularly the number, shape and position of large dark blotches along the back and adjacent dorsal fin. There are 4-5, irregularly rounded blotches that extend well onto the back in C. cenderawasih in contrast to only two, rectangular blotches for C. walindi that are primarily positioned on the dorsal fin. It is hypothesized that these species arose from a common ancestor that was once widely distributed along the northern margin of the New Guinea-Australian Plate, but land and current barriers formed over the past few million years have facilitated isolation and eventual speciation in the Cenderawasih Bay population.

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