Abstract

Bryozoans were found attached to various natural and artificial substrates at 18 sites along the Iranian coast of the southern Caspian Sea. Two species of cheilostome bryozoans—Conopeum grimmi and Lapidosella ostroumovi—and species of ctenostomes—Amathia gracilis and Victorella pavida—are reported. Lapidosella ostroumovi is a record for the Caspian Sea.

Highlights

  • Studies on Caspian Sea bryozoans have been done mostly in the northern Caspian (Abrikosov 1959, Abrikosov and Zevina 1968, Gontar et al 2009)

  • Cheilostome bryozoans attached to stones, plastic debris, wood, glass and other objects washed-up on the beach or from shallow water (< 1 m depth) were collected from 18 sites along the Iranian coastline of the southern Caspian Sea (Fig. 1, Table 1)

  • The Caspian Sea is the largest lake in the world and contains brackish water (Karpinsky 1992, Dumont 1998, Aladin and Plotnikov 2004)

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Summary

Introduction

Studies on Caspian Sea bryozoans have been done mostly in the northern Caspian (Abrikosov 1959, Abrikosov and Zevina 1968, Gontar et al 2009). Bryozoans in the Caspian Sea can be subdivided into: (1) freshwater species; (2) Caspian Sea endemic species; (3) Mediterranean–Caspian species; and (4) Mediterranean species that have recently been introduced into the Caspian through the Volga–Don Canal (Abrikosov and Zevina 1968). For the first time, we report the occurrence and distributions of 4 species of bryozoans from the Iranian coast of the Caspian Sea. Here, for the first time, we report the occurrence and distributions of 4 species of bryozoans from the Iranian coast of the Caspian Sea We test their potential preferences for different substrate types

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