[Cao, S. D. (2008): A scanning electron microscopical study on pharynx surface of Monopterus anus. Sichuan Journal of Zoology, 27, 858-859.]Search in Google Scholar
[Cao, X. J., Wang, W. M. (2009): Histology and mucin histochemistry of the digestive tract of yellow catfish, Pelteobagrus fulvidraco. Anatomia Histologia Embryologia, 38, 254-261.10.1111/j.1439-0264.2009.00932.x19426437]Search in Google Scholar
[Crawford, R. H. (1974): Structure of an air-breathing organ and the swim bladder in the Alaska blackfish, Dallia pectoralis Bean. Canadian Journal of Zoology, 52, 1221-1225.10.1139/z74-1624418753]Search in Google Scholar
[Cruz, D., Luis, A., Pedretti, A. C. E., Fernandes, M. N. (2009): Stereological estimation of the surface area and oxygen diffusing capacity of the respiratory stomach of the air breathing armored catfish Pterygoplichthys anisitsi (Teleostei: Loricariidae). Journal of Morphology, 270, 601-614.10.1002/jmor.1070819107815]Search in Google Scholar
[Giacomo, Z. E., Rita, L., Gioele, C., Michal, K. (2018): Air-breathing in fish: Air-breathing organs and control of respiration: Nerves and neurotransmitters in the air-breathing organs and the skin. Acta Histochemica, 120, 630-641.10.1016/j.acthis.2018.08.00930266194]Search in Google Scholar
[Goncalves, A. F., Castro, L. F. C., Pereira-Wilson, C., Coimbra, J., Wilson, J. M. (2007): Is there a compromise between nutrient uptake and gas exchange in the gut of Misgurnus anguillicaudatus, an intestinal air-breathing fish? Comparative Biochemistry and Physiology Part D Genomics and Proteomics, 2, 0-355.10.1016/j.cbd.2007.08.00220483306]Search in Google Scholar
[Graham, J. B. (1997): Air Breathing Fishes: Evolution, Diversity and Adaptation. Academic Press, San Diego, USA. 299.]Search in Google Scholar
[Hakim, A., Munshi, J. S. D., Hughes, G. M. (1978): Morphometries of the respiratory organs of the Indian green snake-headed fish, Channa punctate. Journal of Zoology, 184, 519-543.10.1111/j.1469-7998.1978.tb03305.x]Search in Google Scholar
[Huebner, E., Chee, G. (1978): Histological and ultrastructural specialization of the digestive tract of the intestinal air breather Hoplosternum thoracatum (teleost). Journal of Morphology, 157, 301-327.10.1002/jmor.105157030530227695]Search in Google Scholar
[Hughes, G. M., Singh, B. N. (1970): Respiration in an air-breathing fish, the climbing perch Anabas testudineus Bloch. Journal of Experimental Biology, 53, 265-280.10.1242/jeb.53.2.265]Search in Google Scholar
[Jasiński, A. (1973): Air-blood barrier in the respiratory intestine of the pond-loach, Misgurmus fossilis L. Acta Anatomica, 86, 376.10.1159/000144130]Search in Google Scholar
[Kariya, T., Hotta, H., Takahashi, M. (1969): Relation between the condition of the stomach mucous folds and the stomach content in the mackerel. Bulletin of the Japanese Society of Scientific Fisheries, 35, 441-445.10.2331/suisan.35.441]Search in Google Scholar
[Liu, Y. Q., Wang, Z. J. (2017): A study on structural characteristics of intestinal tract of the air-breathing loach, Paramisgurnus dabryanus (Sauvage, 1878). Pakistan Journal of Zoology, 49, 1223-1230.10.17582/journal.pjz/2017.49.4.1223.1230]Search in Google Scholar
[Luiz, H. F., Vinicius, A. A., David, J. M., Francisco, T. R. (2018): Control of air-breathing in fishes: Central and peripheral receptors. Acta Histochemica, 120, 542-653.10.1016/j.acthis.2018.08.010]Search in Google Scholar
[McMahon, B. R., Burggren, W. W. (1987): Respiratory physiology of intestinal air breathing in the teleost fish Misgurnus anguillicaudatus. Journal of Experimental Biology, 133, 371-393.10.1242/jeb.133.1.371]Search in Google Scholar
[Munshi, J. S. D., Weibel, E. R., Gehr, P., Hughes, G. M. (1986): Structure of the respiratory air sac of Heteropneustes fossilis (Bloch) (Heteropneustidae pisces). Proceedings of the Indian National Science Academy Part B, 52, 703-713.]Search in Google Scholar
[Nelson, J. A. (2014): Breaking wind to survive: fishes that breathe air with their gut. Journal of Fish Biology, 84, 554-576.10.1111/jfb.1232324502287]Search in Google Scholar
[Niva, B., Ojha, J., Munshi, J. S. D. (1981): Morphometrics of the respiratory organs of an estuarine goby, Boleophthalmus boddaerti. Japanese Journal of Ichthyology, 27, 316-326.]Search in Google Scholar
[Park, J. Y., Kim, I. S., Kim, S. Y. (2003): Structure and mucous histochemistry of the intestinal respiratory tract of the mud loach, Misgurnus anguillicaudatus (cantor). Journal of Applied Ichthyology, 19, 5.10.1046/j.1439-0426.2003.00452.x]Search in Google Scholar
[Plaul, S. E., Pastor, R., Alcira, O. D., Barbeito, C. G. (2016): Immunohistochemical and ultrastructural evidence of functional organization along the Corydoras paleatus intestine. Microscopy Research and Technique, 79, 140-148.10.1002/jemt.2261426910640]Search in Google Scholar
[Satora, L. (1998): Histological and ultrastructural study of the stomach of the air-breathing Ancistrus multispinnis (Siluriformes, Teleostei). Canadian Journal of Zoology, 76, 83-86.10.1139/z97-167]Search in Google Scholar
[Satora, L., Koziol, K., Zebrowski, J. (2017): Squamous epithelium formation in the respiratory intestine of the bronze Corydoras, Corydoras aeneus (Callichthyidae teleostei). Acta Histochemica, 119, 563-568.10.1016/j.acthis.2017.05.01028602441]Search in Google Scholar
[Shao, L.J., Zhu, Q. X., Zeng, Y. F. (2004): Comparison of two methods of microvascular display. Chinese Journal of Anatomy, 27, 427-452.]Search in Google Scholar
[Tamura, S. O., Morii, H., Yuzuriha, M. (1976): Respiration of the amphibious fishes Periophthalmus cantonensis and Boleophthalmus chinensis in water and on land. Journal of Experimental Biology, 65, 97-107.10.1242/jeb.65.1.97993707]Search in Google Scholar
[Yadav, A. N., Singh, B. R. (1980): The gut of an intestinal air-breathing fish, Lepidocephalus guntea (Ham). Archives of Biology, 91, 413-422.]Search in Google Scholar
[Ye, Y. T, Wang, Y. H., Lin, S. M., Luo, L. (2003): Transmural fluxes of ten essential ammo acids in intestinal gut of Ctehopharyhgodoh idellus in vitro. Journal of Fishery Sciences of China, 10, 311-316.]Search in Google Scholar
[Zhang, J., Taniguchi, T., Takita, T., Ali, A. B. (2000): On the epidermal structure of Boteophthalmus and Scartelaos mudskippers with reference to their adaptation to terrestrial life. Ichthyological Research, 47, 359-366.10.1007/BF02674263]Search in Google Scholar
[Zhang, J., Taniguchi, T., Takita, T., Ali, A. B. (2003): A study on the epidermal structure of Periophthalmodon and Periophthalmus mudskippers with reference to their terrestrial adaptation. Ichthyological Research, 50, 310-317.10.1007/s10228-003-0173-7]Search in Google Scholar