• 2004-2013, Assistant Professor, Annamalai University, Tamil Nadu
• 2013-2016, Senior Scientist, ICAR-National Bureau of fish Genetic Resources, Lucknow, India
• 2016-2023, Principal Scientist, ICAR-National Bureau of fish Genetic Resources, Lucknow, India
• 2023- to-date, Head, PAGR, Centre, Kochi, Kerala Division

• Taxonomy & Aquaculture for Biodiversity Conservation and Livelihood

Current Research Projects:

• Aquaculture of diversified organisms and value addition to marine fishes: Measure towards livelihood support to the coastal Tribal community at Pitchavaram region, Cuddalore District, Tamil Nadu - Funded by the Department of Tribal Welfare, Govt. of Tamil Nadu 2025 - 2027.
• Mainstreaming marine ornamental shrimp diversity for actions to enhance livelihood and gender empowerment opportunities among native Lakshadweep community - Funded by the Centre for Marine Living Resources and Ecology, Ministry of Earth Sciences, Govt. of India from 2022 to 2026
• Sustainable Livelihood Promotion for Tribal Community in Pulicat region, Tiruvallur District, Tamil Nadu through aquaculture practices - Funded by the Department of Tribal Welfare, Govt. of Tamil Nadu 2024 to 2026.

• Jose, S., Akash, S., Chandran, R., Sarkar, U. K., & Kumar, T. T. A *. 2025. A new species of Cinetorhynchus Holthuis, 1995 (Decapoda: Caridea: Rhynchocinetidae) from Lakshadweep, India. Biologia, 1-11.
• Nithin, A., Sundaramanickam, A., Surya, P. and Ajith Kumar, T.T*., 2023 Chromium (IV) transfer to Amusium pleuronectes by LDPE microplastics:an experimental study. Journal of Hazardous Materials, 458, 131869, 1-10.
• Madhavan, M., Jayakumar, T.K.T., Ajith Kumar, T.T.* and Sarkar, U.K., 2023. Mating behaviour and embryonic development of the marine ornamental shrimp, Stenopus hispidus Olivier, 1811 in captivity. Aquaculture, 574, 739655, 1-9
• Marudhupandi, T., Dhayanithi, N. B., Jeyaprakashsabari, S., Deepa, S.D. and Ajith Kumar, T.T*. 2022. Effect of lipid supplementation, using oil extracted from Nannochloropsis salina on growth indices and expression of gene associated lipid metabolism in clownfish, Amphiprion ocellaris. Biomass Conversion and Biorefinery, 1-10
• Kodeeswaran, P., Mohapatra, A., Dhinakaran, A., Ajith Kumar, T. T*. P. and Lal, K.K., 2022. A new species of the congrid eel genus Ariosoma (Anguilliformes: Congridae) from the south-west coast of India. Journal of Fish Biology, 100(3), 775-782.

*Corresponding author

For complete list of publications, link to Google scholar profile

https://scholar.google.co.in/citations?user=9CIQTiEAAAAJ&hl=en

• Distinguished Alumnus Award (2024), Annamalai University, Tamil Nadu.
• Padma Shri Prof. N. Balakrishnan Nair award for Environmental excellence (2024), International Conference on Ecosystem conservation and Sustainable development,Bangalore,Karnataka
• Aquaculture Contribution award (2024), Hawassa University, Ethiopia