Summary
A small perianal light organ was found on a ventral part of the body of Chlorophthalmus spp. Simple tests, histological preparations and bacterial culture of the luminous contents clearly indicated that the luminous substance consists of symbiotic bacteria. The unique eyes of Chlorophthalmus spp. suggests a possible interrelationship between the eyes and the newly observed light organ.
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I thank Drs T. Tamura, E. J. Denton, O. Munk, M. Okiyama, K. Suzuki, M. Oguri, T. Tonoue and Mr H. Niwa for their constant guidances and their invaluable helps. This study was started by the stimulative conversation with Dr Yata Haneda. I would like to present the paper to him for the celebration of the perfect recovery of his health.
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Somiya, H. Bacterial bioluminescence in chlorophthalmid deep-sea fish: A possible interrelationship between the light organ and the eyes. Experientia 33, 906–909 (1977). https://doi.org/10.1007/BF01951274
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DOI: https://doi.org/10.1007/BF01951274