Based on the analysis of own and literature data 9 numerically insignificant species of reptiles were found at the territory of the autonomous republic. One of these species belongs to a group of turtles (Testudines), three of them belong to a group of lizards (Sauria) and five of them belong to a group snakes (Serpentes). Systematics, ecological and some biological peculiarities of species are reflected in the article. During the research previously registered Psammophis lineolatus has not been found and its existence at the territory of the Nakhichevan Autonomous Republic is under question.

The results of analysis of catches with stationary nets made from 2010 to 2012 in the North Absheron Gulf of the Caspian Sea have been presented. 26 species of fish belonging to 8 families (16 marine species, 10 migratory and semi-migratory species ) is registered in the catches. There are data distribution and abundance of each species for all of the families are summarized. The tendency of expansion of areals of marine species (Alosa braschnikowi kisselewitschi, A.b.sarensis) to the north is registered.