On the Polyclads from the Gulf of Mannar Biosphere Reserve with new records Author Padmanaban, P. Zoological Survey of India, Marine Biology Regional Centre, 130, Santhome High Road, Pattinapakkam, Mylapore, Chennai - 600004, Tamil Nadu, India; Email: padmazsi @ rediffmail. com Author Kumar, A. Anand Zoological Survey of India, Marine Aquarium and Regional Centre, SH 57, Gadadharpur, Digha - 721428, West Bengal, India Author Kumar, R. Rajendar Zoological Survey of India, Marine Biology Regional Centre, 130, Santhome High Road, Pattinapakkam, Mylapore, Chennai - 600004, Tamil Nadu, India; Email: padmazsi @ rediffmail. com Author Surendar, C. Zoological Survey of India, Marine Biology Regional Centre, 130, Santhome High Road, Pattinapakkam, Mylapore, Chennai - 600004, Tamil Nadu, India; Email: padmazsi @ rediffmail. com Author Vanishree, J. Zoological Survey of India, Marine Biology Regional Centre, 130, Santhome High Road, Pattinapakkam, Mylapore, Chennai - 600004, Tamil Nadu, India; Email: padmazsi @ rediffmail. com text Records of the Zoological Survey of India 2020 120 4 445 453 journal article 10.26515/rzsi/v120/i4/2020/148695 2581-8686 13186419 4. Pseudoceros indicus Newman & Schupp, 2002 ( Figure 6&7 ) Material examined : ZSI/ MBRC /PL-340, 1 ex, 16.xii.2017 ; MBRC /ZSI/PL-348, 2 ex, 25.xii.2018 , Thalayari Is., Keelarakai, (9°17’93.29”N78°89’ 89.41”E),from coral rubble. Diagnosis : Body soft, elongate oval and leaf-like with few marginal ruffles. Pseudotentacles well developed, simple and erected. Dorsal surface opaque, mottled cream with well-defined irregular purple spots found along the margin and also extending over the pseudotentacles. The species shows a wide range of colour variation. Distribution : India : Thalayari Is., GoM; Andaman & Nicobar; Gujarat ; Lakshadweep Islands. Elsewhere : Indian Ocean, from South Africa , Maldives to Indonesia and Australia . (9°17’93.29”N 78°89’89.41”E), 25.xii.2018 ; from dead coral patches from intertidal zone. Diagnosis: Body is elongated with shallow marginal ruffling and simple pseudotentacles. Dorsal surface is deep brown to black with two marginal bands; the inner band is blue and outer yellow. Size: 30 mm . Distribution : India : Thalayari Is., Manoliputtii Is., GoM; Andaman & Nicobar Islands ; Lakshadweep . Elsewhere: Indo-west Pacific region from Australia , Papua New Guinea , Micronesia and Kenya .