Pashkov AN. Morphological characteristics of the populations of black-striped pipefish Syngnathus abaster Risso, 1827 (Pisces, Actinopterygii, Syngnathidae) in some North Caucasian water bodies. Marine Biological Journal. 2017 Jun.;2(2):55–69. doi: 10.21072/mbj.2017.02.2.06