“…Subsequently CXCR1 and CXCR2 have been found in a wide range of teleost fish species including rainbow trout (Oncorhynchus mykiss) (Xu et al, 2014a;Zhang et al, 2002), fugu (Takifugu rubripes) (Huising et al, 2003a,b); zebrafish (Danio rerio) (Deng et al, 2013;Oehlers et al, 2010); Chinese perch (Siniperca chuatsi) , miiuy croaker (Miichthys miiuy) (Xu et al, 2014b) and several elasmobranch species, including lesser spotted catshark (Scyliorhinus caniculus), basking shark (Cetorhinus maximus), great white shark (Carcharodon carcharias), cuckoo ray (Raja naevus) (Goostrey et al, 2005) and elephant shark (Callorhinchus milii) (Venkatesh et al, 2014), and more recently in the coelacanth (Latimeria chalumnae) (Xu et al, 2014a) (STTIL[I]) in the C-terminal region, which have been shown to be important for cellular signalling of human CXCR2 (Fig. 2) (Baugher and Richmond, 2008;Fan et al, 2001;Marchese, 2014).…”