Abstract

Here, we report the first detection of lymphocystis disease virus (LCDV) in Indian glass fish in the Andaman Islands, India. Microscopic examination revealed the presence of whitish clusters of nodules on the fish's skin, fins, and eyes. The histopathology of the nodules revealed typical hypertrophied fibroblasts. Molecular characterization of the major capsid protein (MCP) gene of the virus showed a significant resemblance to known LCDV sequences from Korea and Iran, with 98.92% and 97.85% sequence identity, respectively. Phylogenetic analysis confirmed that the MCP gene sequence of the virus belonged to genotype V. This study represents the first documented case of LCDV in finfish from the Andaman Islands, emphasizing the necessity for continued monitoring and research on the health of aquatic species in this fragile ecosystem.

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