Journal of Threatened Taxa | www.threatenedtaxa.org | 26 April 2013 | 5(7): 4113–4114 Note New record of a headshield slug diversity (Behrens et al. 2005). Phanerophthalmus smaragdinus Phanerophthalmus species are (Gastropoda: Opisthobranchia) from long, cylindrical animals with very Andaman Islands, India small headshield. ISSN The current article reports a Online 0974-7907 Print 0974-7893 Sumantha Narayana 1 & Raju Mohanraju 2 new record of an opisthobranch, Phanerophthalmus smaragdinus OPEN ACCESS 1,2 Department of Ocean Studies and Marine Biology, Pondicherry University, (Rüppell & Leuckart, 1828) from Brookshabad Campus, Port Blair, Andaman and Nicobar Islands 744112, India 1
[email protected] (corresponding author), Andamans, India. 2
[email protected] Materials and Methods: Sample was collected from intertidal region of Burmanallah, South Andaman, Opisthobranchia, a subclass of gastropods, differ from during low tide when most of the area was partially their relatives Prosobranchia by the presence of a thin, submerged. The animal was brought to the laboratory reduced or absent shell, and are purely marine animals. for further examination and identification. Identification The term opisthobranch means “back or rear gills”, which based on morphological characters was carried out is a feature specific to these groups of animals. They are following Gosliner et al. (2008) and C.R. Sreeraj (pers. hermaphroditic animals. Opisthobranchs are small and comm. 14 July 2012). Morphology of the live specimen often cryptic individuals that inhabit mostly sub-tidal was studied using a stereo-zoom microscope (Leica regions and have a low numeric density making their M205a). The specimen was narcotized using few drops study difficult. Studies on opisthobranchs in India are of magnesium chloride solution (72g/L), and transferred sparse and patchy, and have only recently gained much into 5% formaldehyde solution.