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Chandran, A. ; Nair, N. Balakrishnan (1988) Functional morphology of the mouth tube of a lernaeopodid Pseudocharopinus narcinae (Pillai, 1962) (Copepoda: Siphonostomatoida) Hydrobiologia, 167-168 (1). pp. 629-634. ISSN 0018-8158

Arunachalam, M. ; Nair, N. Balakrishnan (1988) Harpacticoid copepods associated with the seagrass Halophila ovalis in the Ashtamudi Estuary, south-west coast of India Hydrobiologia, 167-168 (1). pp. 515-522. ISSN 0018-8158

Sobhana, S. ; Nair, N. Balakrishnan (1986) On the breeding biology of Glyphidrilus annandalei MICHAELSON (Haplotaxida: Glossoscolecidae) and its relation to the various physical and chemical factors Internationale Revue der gesamten Hydrobiologie und Hydrographie, 71 (1). pp. 139-141. ISSN 0020-9309

Nair, G. Achuthan ; Nair, N. Balakrishnan (1985) Transpiration rates and acclimation to water and temperature of the tropical woodlice, Porcellionides pruinosus Brandt and Porcellio laevis Latreille Proceedings of the Indian Academy of Sciences - Animal Sciences, 94 (5). pp. 469-474. ISSN 0253-4118

Nair, N. Balakrishnan ; Kumar, K. Krishna ; Arunachalam, M. ; Abdul, P. K. ; Dharmaraj, K. (1984) Ecology of Indian estuaries: studies on the zooplankton ecology of kadinamkulam backwater Proceedings of the Indian Academy of Sciences - Animal Sciences, 93 (6). pp. 573-584. ISSN 0253-4118

Nair, N. Balakrishnan ; Dharmaraj, K. ; Abdul, P. K. ; Arunachalam, M. ; Krishna, K. (1984) Ecology of biofouling on Crassostrea madrasensis (Preston) (Mollusca:Bivalvia) in a tropical backwater Proceedings of the Indian Academy of Sciences - Animal Sciences, 93 (5). pp. 419-430. ISSN 0253-4118

Nair, N. Balakrishnan (1984) The problem of marine timber destroying organisms along the Indian coasts Proceedings of the Indian Academy of Sciences - Animal Sciences, 93 (3). pp. 203-223. ISSN 0253-4118

Nair, N. Balakrishnan ; Abdul Azis, P. K. ; Dharmaraj, K. ; Arunachalam, M. ; Krishna Kumar, K. ; Balasubramanian, N. K. (1984) Ecology of Indian estuaries-V: Primary productivity of the Ashtamudi estuary, south-west coast of India Proceedings of the Indian Academy of Sciences - Animal Sciences, 93 (1). pp. 9-23. ISSN 0253-4118

Nair, J. Rajasekharan ; Nair, N. Balakrishnan ; Balasubramanian, N. K. (1983) Condition and relative condition cycles in the tropical glassy perchlet Chanda (=Ambassis)commersonii(Cuv. and Val.) (Pisces: Centropomidae) Proceedings of the Indian Academy of Sciences - Animal Sciences, 92 (6). pp. 415-422. ISSN 0253-4118

Jacob, Sheila Susan ; Nair, N. Balakrishnan (1983) Reproductive biology of the larvivorous fish Macropodus cupanus (Cuv. and Val.) Proceedings of the Indian Academy of Sciences - Animal Sciences, 92 (2). pp. 159-170. ISSN 0253-4118

Babu, N. ; Nair, N. Balakrishnan (1983) Taxonomic value of torus longitudinalis and valvula cerebelli in four species of Amblypharyngodon bleeker (pisces, teleostei, cyprinidae) Proceedings of the Indian Academy of Sciences - Animal Sciences, 92 (2). pp. 115-119. ISSN 0253-4118

Babu, N. ; Nair, N. Balakrishnan (1983) Condition factor of Amblypharyngodon chakaiensis Babu and Nair in the Chakai boat channel (Trivandrum-Kerala-India) Proceedings of the Indian Academy of Sciences - Animal Sciences, 92 (1). pp. 1-10. ISSN 0253-4118

Nair, G. Achuthan ; Nair, N. Balakrishnan (1983) Effect of infestation with the isopod, Alitropus typus M. Edwards (Crustacea: Flabellifera: Aegidae) on the haematological parameters of the host fish, Channa striatus (Bloch) Aquaculture, 30 (1-4). pp. 11-19. ISSN 0044-8486

Jacob, Sheila Susan ; Nair, N. Balakrishnan ; Balasubramanian, Nemmara Krishna (1983) Influence of certain environmental factors on the predatory efficiency of the larvivorous fish Macropodus cupanus Environmental Biology of Fishes, 9 (3-4). pp. 295-300. ISSN 0378-1909

Nair, J. Rajasekharan ; Nair, N. Balakrishnan (1982) Effect of teleostean prey size and salinity on satiation amount, satiation time and daily ration in the glassy perchletChanda (=Ambassis) thomassi (Day) (Pisces: Centropomidae) Proceedings of the Indian Academy of Sciences - Animal Sciences, 91 (6). pp. 507-513. ISSN 0253-4118

Jacob, Sheila Susan ; Nair, N. Balakrishnan ; Balasubramanian, N. K. (1982) Toxicity of certain mosquito larvicides to the larvivorous fishes Aplocheilus lineatus (cuv. & val.) and Macropodus cupanus (cuv. & val.) Environmental Pollution Series A, Ecological and Biological, 28 (1). pp. 7-13. ISSN 0143-1471

Jacob, Sheila Susan ; Nair, N. Balakrishnan ; Balasubramanian, N. K. (1982) Toxicity of certain pesticides found in the habitat to the larvivorous fishes Aplocheilus lineatus (Cuv. & Val.) and Macropodus cupanus (Cuv. & Val.) Proceedings of the Indian Academy of Sciences - Animal Sciences, 91 (3). pp. 323-328. ISSN 0253-4118

Nair, J. Rajasekharan ; Balasubramanian, N. K. ; Nair, N. Balakrishnan (1982) Effect of salinity on the survival and growth ofChanda (=Ambassis) gymnocephalus (Lac.) fry (Pisces; Centropomidae) Proceedings of the Indian Academy of Sciences - Animal Sciences, 91 (2). pp. 143-152. ISSN 0253-4118

Jacob, Sheila Susan ; Nair, N. Balakrishnan (1982) Food and feeding habits of the larvivorous fish Aplocheilus lineatus (Cuv. & Val.) in its natural habitat Journal of Fish Biology, 20 (3). pp. 329-339. ISSN 0022-1112

Nair, G. Achuthan ; Suryanarayanan, H. ; Nair, N. Balakrishnan (1981) Host specificity and biochemical changes in fishes owing to the infestation of the isopod, Alitropus typus M. Edwards (Crustacea: Flabellifera: Aegidae) Proceedings of the Indian Academy of Sciences - Animal Sciences, 90 (4). pp. 445-452. ISSN 0253-4118

Jacob, Sheila Susan ; Nair, N. Balakrishnan (1981) Rate of gastric digestion in the larvicidal fishes Aplocheilus lineatus (Cuv. & Val.) and Macropodus cupanus (Cuv. & Val.) Proceedings of the Indian Academy of Sciences - Animal Sciences, 90 (4). pp. 407-416. ISSN 0253-4118

Radhakrishnan, S. ; Nair, N. Balakrishnan (1981) Nature of infestation of fishes by Lemanthropus gibbosus Pillai and L. koenigii Stp. and Lutk. (Copepoda:Anthosomatidae) along the South-west (Trivandrum) coast of India Proceedings of the Indian Academy of Sciences - Animal Sciences, 90 (2). pp. 209-223. ISSN 0253-4118

Radhakrishnan, S. ; Nair, N. Balakrishnan (1981) Histopathology of the infestation of Diodon hystrix L. by Peniculisa wilsoni Radhakrishnan (Copepoda: Lernaeoceridae) Journal of Fish Diseases, 4 (1). pp. 83-87. ISSN 0140-7775

Chandran, A. ; Nair, N. Balakrishnan (1980) Morphology of the male of Pseudocharopinus narcinae (Pillai) (Copepoda : Lernaeopodidae) Proceedings of the Indian Academy of Sciences - Animal Sciences, 89 (5). pp. 441-447. ISSN 0253-4118

Chandran, A. ; Nair, N. Balakrishnan (1980) Morphology of the copepodid stage of three marine lernaeopodids (Crustacea: Copepoda) from the South-West Coast of India Proceedings of the Indian Academy of Sciences - Animal Sciences, 89 (2). pp. 155-163. ISSN 0253-4118

Rita Kumari, S. D. ; Nair, N. Balakrishnan (1979) Maturation and spawning in the hill-stream loach Noemacheilus triangularis Day Proceedings of the Indian Academy of Sciences - Animal Sciences, 88 (1). pp. 29-43. ISSN 0253-4118

Rita Kumari, S. D. ; Nair, N. Balakrishnan (1979) Oogenesis in a tropical loach Lepidocephalus thermalis (Cuv. & Val.) Proceedings of the Indian Academy of Sciences - Animal Sciences, 88 (1). pp. 45-54. ISSN 0253-4118

Santhakumari, V. ; Nair, N. Balakrishnan (1975) Some observations on the division of five species of commensalic ciliates in relation to water propulsion Hydrobiologia, 47 (3-4). pp. 367-380. ISSN 0018-8158

Saraswathy, M. ; Nair, N. Balakrishnan (1974) The influence of salinity on a tropical estuarine shipworm Nausitora hedleyi Schepman (Bivalvia - Teredinidae) Hydrobiologia, 44 (4). pp. 397-411. ISSN 0018-8158

Pillay, K. K. ; Nair, N. Balakrishnan (1973) Observations on the biochemical changes in gonads and other organs of Uca annulipes, Portunus pelagicus and Metapenaeus affinis (Decapoda: Crustacea) during the reproductive cycle Marine Biology, 18 (3). pp. 167-198. ISSN 0025-3162

Pillay, K. Krishna ; Nair, N. Balakrishnan (1973) Observations on the incidence and seasonal fluctuations of certain crustacean larvae in the plankton of the South-West Coast of India Hydrobiologia, 43 (3-4). pp. 443-461. ISSN 0018-8158

Venkatakrishnan, R. ; Nair, N. Balakrishnan (1973) Observations on the sex characters of the timber-boring sphaeromids (Isopoda) of the Indian waters Hydrobiologia, 42 (4). pp. 413-427. ISSN 0018-8158

Saraswathy, M. ; Nair, N. Balakrishnan (1973) The reproductive cycle in a typical estuarine mollusc nausitora hedleyi schepman based on a study of the gonad index Hydrobiologia, 43 (1-2). pp. 13-28. ISSN 0018-8158

Pillay, K. Krishna ; Nair, N. Balakrishnan (1971) The annual reproductive cycles of Uca annulipes, Portunus pelagicus and Metapenaeus affinis (Decapoda: Crustacea) from the South-west coast of India Marine Biology, 11 (2). pp. 152-166. ISSN 0025-3162

Govindankutty, A. G. ; Nair, N. Balakrishnan (1966) Preliminary observations on the interstitial fauna of the south-west coast of India Hydrobiologia, 28 (1). pp. 101-112. ISSN 0018-8158

George, Elizabeth Leela ; Nair, N. Balakrishnan (1947) The growth rates of the estuarine mollusc Musculista arcuatula Yamamoto and Habe (Bivalvia: Mytilidae) Hydrobiologia, 45 (2-3). pp. 239-248. ISSN 0018-8158