Abstract
RESPIRATION through provisional organs is found in many tropical fishes. Rauther1 has summarized this subject and Kryzanovski2 has lately described the respiration in the teleostome fish embryos and larvae. In cases where the circulation develops before the proper respiratory organs, Krogh3 says that part of the animal surface functions provisionally as a respiratory organ. Capillary or lacunar systems of blood vessels are indicated by Kryzanovski as a respiratory system of certain Cichlidæ fishes, which have the anal or the dorsal fin slightly vascularized.
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References
Rauther, M., Ergb. Fortsch. Zool., 2 (1910).
Kryzanovski, S. G., Zool. Jahrb. Abt. Anat. u. Ont., 58 (1934).
Krogh, A., "The Comparative Physiology of Respiratory Mechanisms" (Univ. Pennsylvania Press, Philadelphia, 1941).
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SAWAYA, P. The Tail of a Fish Larva as Respiratory Organ. Nature 149, 169 (1942). https://doi.org/10.1038/149169a0
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DOI: https://doi.org/10.1038/149169a0
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