First record of Aplysia (Varria) cornigera Sowerby, 1869 (Mollusca: Gastropoda: Aplysiidae) from the Karachi coast, with observations on developmental stages under laboratory conditions

Abstract

The present study is an investigation of the taxonomical features, spawning behavior, structure of egg masses, and egg development in Aplysia (Varria) cornigera Sowerby, 1869. Adult specimens of A. cornigera were collected from Buleji on 23rd of January, 2017 and kept in aquaria under controlled laboratory conditions until they laid eggs and hatching occurred. This is the first report of Aplysia (V.) cornigera from Pakistan.