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Two species, viz., Euprotomus bulla (Roding, 1798) and Tridentarius dentatus (Linnaeus, 1758) belonging to the family Strombidae are reported for the first time from the Andaman and Nicobar Islands, India. The close similarity in the morphological character sets between Euprotomous bulla and Euprotomous aurisdianae may be a reason for overlooking the former species by early workers. We have defined the dissimilarity between both species and have confirmed its occurrence in the Andaman and Nicobar Islands. In the genus Euprotomous, E. bulla is the second species reported from this region. Tridentarius dentatus has been previously reported from mainland India; however, it is reported from these islands for the first time. There exists a paucity of literature on Bufonaria elegans from Indian waters; however, it has been included in OBIS Indo—Pacific Molluscan Database from the vicinity of these Islands at an earlier date. As no comprehensive literature on its occurrence from Indian waters exists, the current report confirms its occurrence and provides notes on its morphology from this region.

Three uncommon fishes, viz. porcupine whipray, Urogymnus asperrimus (Bloch & Schneider, 1801), Shaggy angler, Antennarius hispidus (Bloch & Schneider, 1801), and barless cardinalfish, Taeniamia ataenia (Randall & Satapoomin, 1999), are reported herein as first records from the Andaman Islands. The former two are hitherto not reported from the Islands, while the latter was found to be a new record for India. Porcupine whipray and barless cardinalfish were identified based on in situ photographs. Shaggy angler was identified based on two specimens collected from a discarded commercial beach–seine fishery. Categorized by IUCN as Vulnerable, porcupine whipray is previously known from Lakshadweep and the peninsular coasts of India. The shaggy angler was reported from a shallow muddy habitat of 5–7 m in the present study. Though the type locality of barless cardinalfish is the eastern Indian Ocean, this has not been recorded earlier from India.