Abstract

An annotated checklist of sea slugs from Gujarat coastal waters was prepared, based on published literature and field observations from 2014–2019. Ninety-five species from 62 genera belonging to 29 families were recorded. Species are listed with synonyms and distribution status. 

Highlights

  • Sea slugs are one of the largest groups of marine gastropods

  • Subsequent reports were made by Gideon et al (1957), Menon et al (1961), Narayanan (1969, 1970, 1971), Burn (1970), Burn & Narayanan (1970), Rudman (1973, 1980, 1983), Rao & Rao (1980), Rao (2003), Raghunathan et al (2004, 2016), Rao et al (2004), Rao & Sastry (2005), Apte et al (2010, 2015), Matwal & Joshi (2011), Parasharya (2012), Apte (2013), GEER (2013, 2014a,b), Prasade et al (2013, 2015), Carmona et al (2014), Poriya et al (2015), Venkataraman et al (2015), GSBTM (2015), Bhave et al (2015), Kumari et al (2015), Apte & Desai (2017), and Bharate et al (2020). Using information from these sources and field observations, we present here an annotated checklist of the sea slugs of the Gujarat coastal waters, which provides basic details of diversity and present distributions

  • Our annotated checklist based on the literature for sea slugs of the Gujarat coast contains 95 species from 62 genera belonging to 29 families (Table 1)

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Summary

Introduction

Sea slugs are one of the largest groups of marine gastropods. They show a wide range of colors, designs, and patterns, including varieties of body decorations such as flaps, sensory organs, tubercles, and tentacles (Wagele & Klussmann-Kolb 2005). They are found from the polar regions to the tropics in habitats ranging from intertidal (coral reefs, mudflats, rocky shores, and tide pools) to deep sea, and in association with bryozoans, hydroids, sponges, seagrasses, and seaweeds (Wollscheid-Lengeling et al 2001; Apte & Desai 2017). Apte & Desai (2017) documented 361 species from India, with the Andaman & Nicobar Islands possessing the greatest diversity (273 species), followed by the western coast of India (121 species), Lakshadweep Islands (106 species), and the eastern coast of India (75 species)

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