@article{oai:nagasaki-u.repo.nii.ac.jp:00009302, author = {森井, 秀昭 and 笠間, 憲太郎}, journal = {長崎大学水産学部研究報告, Bulletin of the Faculty of Fisheries, Nagasaki University}, month = {Oct}, note = {The physiological characteristics and the inhibitory effects of lower pH and bile on growth for bacterial flora of the gills and digestive tracts of mudskipper fishes Boleophthalmus pectinirostris and Periophthalmus cantonensis and mud on a mud flat were studied to discuss the primary factors which control the composition of the flora in the tracts. The percentage of bacterial strains decomposed amino acids was higher in Vibrio than in coryneforms, which were mainly isolated in the tracts. The percentage of the strains decomposed amino acids・protein was higher in Vibrio of the tracts especially intestine of P. cantonensis (animal food) than in that of B. pectinirostris (plant food), and moreover the pattern of decomposition of amino acids・saccharides was different between both the Vibrios. The percentage of the strains decomposed amino acids・protein・carbohydrates and the pattern of decomposition of amino acids・saccharides in Vibrio of the mud were similar to those in Vibrio of the intestine of P. cantonensis but not in Vibrio of the intestine of B. pectinirostris, and those had not significance between coryneforms of the gills, stomach, intestine and the mud. These facts suggested that Vibrio of the tracts are controled by food habits, Vibrio of the tracts of P. cantonensis is connected with feeding animal organic matters on the mud, and coryneforms are transient in the tracts. The inhibitory effects of bile were larger in Vibrio than in coryneforms, and in coryneforms for the effects of lower pH. These facts interpreted occupation of Vibrio in the intestine of both the fishes and of coryneforms in the stomach of B. pectinirostris which has a higher progressive stomach., 長崎大学水産学部研究報告, v.68, pp.43-52; 1990}, pages = {43--52}, title = {水陸両生魚,ムツゴロウとトビハゼの消化管内細菌フロ-ラの性状}, volume = {68}, year = {1990} }