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University · Nagapattinam · India

Tamil Nadu Dr. J Jayalalitha Fisheries University

In research, Tamil Nadu Dr. J Jayalalitha Fisheries University stands highest in Life Sciences (#2,222 of 7,800 worldwide), Aquatic Science (#28 of 67 worldwide) and Physical Sciences (#8,373 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Aquatic Science, Immunology and Agricultural and Biological Sciences — Aquatic Science is 97.2× its share of world research.

tnjfu.ac.inROR OpenAlex
World rank, 2022–2025
#4,713
of 28,054 · #10,866 all time
Rank in India
#337
of 1,840
Research works
920
▲ 208% vs 2013–17
Citations
6.3k
6.9 per fractional work
Top-10% rate
13.8%
record average 16.5%
Open access
52%
world 28%

What is Tamil Nadu Dr. J Jayalalitha Fisheries University known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Life SciencesDomain #2,222 of 7,800 14.2%216 #5550
Aquatic ScienceSubfield #28 of 67 14.5%77 #164
Physical SciencesDomain #8,373 of 12,888 13.9%153 #16462
Environmental ScienceField #2,670 of 3,551 14.2%87 #4879
Agricultural and Biological SciencesField #2,785 of 3,409 12.1%134 #5189

Each strip is that field’s whole ranked pool, with the notch where Tamil Nadu Dr. J Jayalalitha Fisheries University sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Life Sciences#5,550 #2,222
  2. Aquatic Science#164 #28
  3. Physical Sciences#16,462 #8,373
  4. Environmental Science#4,879 #2,670
  5. Agricultural and Biological Sciences#5,189 #2,785
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does Tamil Nadu Dr. J Jayalalitha Fisheries University specialise in?

Where its research is concentrated relative to its size: Aquatic Science takes 97.2× the share of its output that it takes of world research.

  1. Aquatic ScienceSubfield · 76.7 works97×
  2. ImmunologySubfield · 26.6 works8.9×
  3. Agricultural and Biological SciencesField · 134.2 works6.5×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 6.50× its world share, 134 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 2.19× its world share, 51 worksBiochemistry, Geneti…Immunology and Microbiology: 6.41× its world share, 28 worksImmunology and Micro…Neuroscience: 0.20× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.82× its world share, 1 worksPharmacology, Toxico…Chemical Engineering: 0.24× its world share, 0 worksChemical EngineeringChemistry: 0.51× its world share, 4 worksChemistryComputer Science: 0.45× its world share, 15 worksComputer ScienceEarth and Planetary Sciences: 0.47× its world share, 3 worksEarth and Planetary …Energy: 1.52× its world share, 6 worksEnergyEngineering: 0.28× its world share, 18 worksEngineeringEnvironmental Science: 4.02× its world share, 87 worksEnvironmental ScienceMaterials Science: 1.23× its world share, 19 worksMaterials ScienceMathematics: 0.04× its world share, 0 worksMathematicsPhysics and Astronomy: 0.09× its world share, 1 worksPhysics and AstronomyDentistry: 0.41× its world share, 1 worksDentistryHealth Professions: 0.73× its world share, 8 worksHealth ProfessionsMedicine: 0.28× its world share, 24 worksMedicineNursing: 2.55× its world share, 5 worksNursingVeterinary: 0.42× its world share, 0 worksVeterinaryArts and Humanities: 0.79× its world share, 10 worksArts and HumanitiesBusiness, Management and Accounting: 0.29× its world share, 4 worksBusiness, Management…Decision Sciences: 0.63× its world share, 3 worksDecision SciencesEconomics, Econometrics and Finance: 0.47× its world share, 4 worksEconomics, Econometr…Psychology: 0.07× its world share, 1 worksPsychologySocial Sciences: 0.09× its world share, 5 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Agricultural and Biological Sciences, 6.5×. Every wedge is a field page.

Who are the top researchers at Tamil Nadu Dr. J Jayalalitha Fisheries University?

Ranked on the composite score, M.C. Nandeesha, G. Jeyasekaran and B. Ahilan lead among researchers whose main affiliation is Tamil Nadu Dr. J Jayalalitha Fisheries University.

  1. 1 M.C. Nandeesha India · #369,509 worldwide 60 citations · 20 works
  2. 2 G. Jeyasekaran India · #554,533 worldwide 53 citations · 16 works
  3. 3 B. Ahilan India · #1,008,650 worldwide 43 citations · 19 works
  4. 4 R. Jeya Shakila India · #1,101,175 worldwide 63 citations · 25 works
  5. 5 P. Jawahar India · #1,109,530 worldwide 16 citations · 21 works
  6. 6 S. Prakash India · #1,191,965 worldwide 23 citations · 15 works
  7. 7 Nathan Felix India · #1,311,235 worldwide 41 citations · 19 works
  8. 8 N. Neethiselvan India · #1,346,839 worldwide 26 citations · 29 works
  9. 9 A. Uma India · #1,350,915 worldwide 25 citations · 31 works
  10. 10 Karl Marx India · #1,453,626 worldwide 16 citations · 20 works
All ranked researchers at Tamil Nadu Dr. J Jayalalitha Fisheries University

Which keywords describe research at Tamil Nadu Dr. J Jayalalitha Fisheries University?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Aquaculture, Conservation, Nutrition, Omega-3 Fatty Acids, Biodiversity, Fatty Acids, Fish Feed and Sustainable Feeds.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Aquaculture79▲ 70×8 topics
  2. Conservation43▲ 23×8 topics
  3. Nutrition41▲ 21×5 topics
  4. Omega-3 Fatty Acids37▲ 114×2 topics
  5. Biodiversity36▲ 11×11 topics
  6. Fatty Acids36▲ 79×3 topics
  7. Fish Feed36▲ 156×1 topic
  8. Sustainable Feeds36▲ 156×1 topic
  9. Environmental Impact36▲ 4.8×28 topics
  10. Climate Change35▲ 3.0×23 topics
  11. Genetic Diversity30▲ 16×7 topics
  12. Freshwater30▲ 139×2 topics
  13. Phylogenetic Analysis27▲ 21×3 topics
  14. Biogeography27▲ 24×2 topics
  15. Morphology27▲ 36×2 topics
  16. Fish26▲ 159×1 topic
  17. Length-Weight Relationships26▲ 159×1 topic
  18. Sustainability24▲ 2.2×24 topics
  19. Gut Microbiota23▲ 15×5 topics
  20. Food Security23▲ 9.5×10 topics
  21. Probiotics21▲ 21×3 topics
  22. Antibiotic Resistance21▲ 13×4 topics
  23. Innate Immunity21▲ 15×4 topics
  24. Cytokines20▲ 17×2 topics
  25. Fish Immunology19▲ 99×1 topic
  26. Stress Response19▲ 78×1 topic
  27. Fisheries Sustainability16▲ 42×2 topics
  28. Waste Management16▲ 8.7×5 topics
  29. Health Benefits14▲ 9.7×8 topics
  30. Antioxidant Activity14▲ 5.0×14 topics
  31. DNA Barcoding12▲ 17×3 topics
  32. Water Quality12▲ 6.9×6 topics
  33. Invasive Species11▲ 6.2×5 topics
  34. Marine Environment11▲ 17×3 topics
  35. Fisheries10▲ 62×3 topics
  36. Recycling10▲ 6.2×4 topics
  37. Ecosystem Management9▲ 35×1 topic
  38. Marine Fisheries9▲ 51×1 topic
  39. Ecological Impact8▲ 39×3 topics
  40. Pollution8▲ 9.9×3 topics

Which research topics does Tamil Nadu Dr. J Jayalalitha Fisheries University publish most on?

By volume in 2022–2025: Aquaculture Nutrition and Growth, Fish Biology and Ecology Studies, Aquaculture disease management and microbiota and Marine and fisheries research.

Aquaculture Nutrition an…36Aquaculture Nutrition and Growth: 36 fractional worksFish Biology and Ecology Studies: 26 fractional worksAquaculture disease management and microbiota: 19 fractional worksMarine and fisheries research: 9 fractional worksIdentification and Quantification in Food: 8 fractional worksAquatic life and conservation: 7 fractional worksFish Ecology and Management Studies: 7 fractional worksMicroplastics and Plastic Pollution: 7 fractional worksWater Quality Monitoring Technologies: 7 fractional worksProtein Hydrolysis and Bioactive Peptides: 6 fractional works
Aquatic ScienceImmunologyGlobal and Planetary ChangeMolecular Biology3 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Aquaculture Nutrition and Growth Aquatic Science 36 works
  2. 2 Fish Biology and Ecology Studies Aquatic Science 26 works
  3. 3 Aquaculture disease management and microbiota Immunology 19 works
  4. 4 Marine and fisheries research Global and Planetary Change 9 works
  5. 5 Identification and Quantification in Food Molecular Biology 8 works
  6. 6 Aquatic life and conservation Aquatic Science 7 works
  7. 7 Fish Ecology and Management Studies Nature and Landscape Conservation 7 works
  8. 8 Microplastics and Plastic Pollution Pollution 7 works
  9. 9 Water Quality Monitoring Technologies Water Science and Technology 7 works
  10. 10 Protein Hydrolysis and Bioactive Peptides Molecular Biology 6 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available52.1%not open47.9%

World: 28% of research is openly available.

with international co-authors10.4%domestic only89.6%

World: 19% is written across borders.

How has Tamil Nadu Dr. J Jayalalitha Fisheries University's research output changed?

Output in 2018–2022 was 208% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Nagapattinam

All research institutions in Nagapattinam

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.