title: Naturalization of the Pacific Chameleon Goby Tridentiger trigonocephalus (Perciformes, Gobiidae) in the Black Sea (Crimea, Sevastopol Gulf)
abstract: In summer 2008, colonies of the Pacific chameleon goby Tridentiger trigonocephalus were found in the Black Sea in two sites of the Sevastopol Gulf. Data are presented on size-age composition of the caught specimens, morphometric characteristics of females, males, and of immature specimens, and on variants of body coloration depending on physiological state. The number of yolk oocytes of different size and of unfertilized eggs in a clutch is determined. Early ontogenetic stages are described, as 
journal: Journal of Ichthyology