Dutta, S., Pillai, H.U., Das, S. and Ojha, S. 2025. Unusual pigmentation and morphological variations in four flatfish species (Order: Pleuronectiformes) from Indian waters. Zootaxa. 5706, 3 (Oct. 2025), 439–447. DOI:https://doi.org/10.11646/zootaxa.5706.3.7.