This phenotype has most often been confused with Cirrhilabrus cyanopleura, in part because they occur together in Bali, and also because the males of C. cf. More on this will be discussed in the hybrid section below. The females are, in the typical fashion of this group, drab and adorned with a series of lineated spotting near the dorsum. solorensis and Cirrhilabrus cf. Not enough is known. Perhaps what we are seeing here is a mix of Red-head and Banda wrasse DNA, or perhaps we still know too little about the variability present in these taxa to draw firm conclusions. Email me when available . At the northern limit in Lembeh, C. cf. These hybrids often appear very similar to their pedigree parents, especially in specimens that lean more toward one parental phenotype. Instead, they possess very strongly defined scale margins on the body, which overlaps to give a “chainmail” like appearance. To make things even more trying, there is one final cyanopleura group phenotype that we cannot explain. This xanthic aberration has been photographed in the wild as well, and it appears to only affect males. The specimen above is an unusual individual that sports the characteristic pre-operculum chevroned-shading associated with Cirrhilabrus cf. The median fins are of the usual translucent nature, decorated with yellow and blue sinuous scrawling. solorensis is more coffee in its coloration, as compared to the females of C. solorensis, which tend to be more magenta shot. solorensis are very similar to various females of other closely related species. The males not only produce this fluorescence, but they also are able to see and recognize it. Here we see the ryukyuensis form of cyanopleura hybridizing with C. solorensis. In C. cf. Females often develop the sinuous fin markings and scale patterns at a larger size, while more juvenile specimens lack these traits. Pseudojuloides cerasinus. The snout is also significantly reddened, and the yellow dorsal stripe from C. luteovittatus is strongly evident. It is important to note that the members of this group can be wildly variable, especially for those in the solorensis clade. Biogeographically, the two phenotypes are sympatric only in the straits of Lembeh, where they narrowly mix. The ventral, anal and caudal fins clamp up while the dorsal is raised. The other five members include Cirrhilabrus aurantidorsalis, Cirrhilabrus luteovittatus, Cirrhilabrus randalli and two undescribed forms currently known as Cirrhilabrus cf. In addition, there is an immense amount of variation and possible hybridization, as well as a couple of distinct regional variations which likely deserve species recognition. solorensis range outside of Bali, east to Komodo? Conversely, the yellow-flank can be seen as something that isn’t developed only in terminal males, but seen in young males and matured females as well. This form is essentially identical in coloration to its parent species C. cyanopleura, but possesses on its flank an additional yellow blotch. While some of the hybrids are easily diagnosed, a few are iffy and highly subjective. Quick View. Females of C. solorensis are frightfully similar to the males of C. cf. The scale margins are edged in dark green or violet, and are inconsistently distributed. The fins are translucent and decorated in the usual scrawling, and, in matured specimens, may be so dense as to completely compromise the translucency of the fins. The males hold territories and guard herams of females.[6]. This is where its relationship with C. luteovittatus and C. randalli becomes suspiciously evident, but the latter two species possess irrefutable characteristics linking them to the solorensis clade instead. Cirrhilabrus cf. In this case where C. cyanopleura is sympatric, sexual selection is the only plausible pressure for divergence where females identify males based on this brightly colored yellow flank. Scott's Fairy Wrasse - Cook Islands. The emergence of C. aurantidorsalis as a species is probably relatively recent, and to understand this, a look into the biogeographical history of its range is necessary. As with many Cirrhilabrus, males are able to puff up their gular region during display. With the exception of Cirrhilabrus luteovittatus and C. randalli, the solorensis group members are wholly confined to the Indonesian archipelago. Some aquarists have used the superficial similarities of this species as justification for its inclusion alongside the cyanopleura group, but it is clear from the considerable differences in nuptial patterns and pelvic fin shape that this is not so. The squiggling is very evident in matured males and can be so heavily present that the translucency of the fins becomes compromised, making it appear opaque instead. Although this species has not been documented outside of its range, a few curious specimens that appear to be hybrids with traits of C. randalli have been documented in the Indonesian archipelago. What’s unusual is that although sympatric and exposed to the exact same conditions, C. randalli appears to have retained all normalcy in its morphological form. The validity of this form as a species is subject of much debate amongst taxonomists and fish enthusiasts alike. This is a very unique characteristic restricted to members of this group, with the exception of the unrelated C. rubrisquamis. The specimen above is 10cm in length, far larger than the usual size at which this phenotype is often photographed. Towards the Northern and Eastern portions of the Western Pacific, the evidence of a yellow-flanked phenotype takes precedence, although both are not mutually exclusive and are sympatric throughout much of their ranges. It was only then did Bleeker revise Cheilinoides cyanopleura and placed it alongside temminckii and solorensis in Cirrhilabrus, bringing the total number of species to three. The species can be found at depths of 40 to 50 meters. solorensis, but the maraschino cherry hood in this form never extends pass the pectoral fin base. Save 55%. Members of this group are largely Pacific, with only three members straying very weakly into the Indian Ocean peripheries. Kuiter suggests the name “Dull-head Fairy Wrasse”, after its blue-grey head. The caudal fin is a rough rhombus, becoming increasingly spade like in terminal males. The species appeals greatly to the novice aquarist, ticking all the right boxes for affordability, hardiness and visual appeal. Select options. The fins are hyaline and likewise riddled with the same sinuous markings as the males. In all likelihood, this characteristic was either independently evolved in both taxa or present in their shared common ancestor.
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