Description of Poecilia (Acanthophacelus) obscura n. sp., (Teleostei: Poeciliidae), a new guppy species from western Trinidad, with remarks on P. w i n g e i and the status of the “ Endler’s guppy ” Author Schories, Susanne Author Meyer, Manfred K. Author Schartl, Manfred text Zootaxa 2009 2266 35 50 journal article 10.5281/zenodo.190845 4de87e60-ade2-400c-9f1e-9a07122ea13e 1175-5326 190845 Subgenus Acanthophacelus Eigenmann, 1907 The subgenus Acanthophacelus is characterized by the following derived characters (S1) very long and massive recurved hook present on tip of gonopodium ray 5, hook size longer than depth of the 4p-serrae; (S2) numerous (> 10) long and pointed comb-like spines of gonopodium ray 3; (S3) high degree of black, white, green, blue, yellow and red color polymorphism on body sides and dorsal and tail fins of adult males, females generally lacking prominent markings on body sides except for rare individuals with single irregular black stripes or spots at the caudal fin base or body side.