The morphology and partial cytology of a group of bacteria-related organisms from the guts of surgeonfish are described. These gigantobacteria symbionts are encountered in the guts of various species of this fish family throughout the Indo-Pacific region and the Red Sea. They have been tentatively grouped and placed in a 'family', Epulopiscidae, according to the first species described, Epulopiscium fishelsoni Montgomery and Pollak, 1988. In addition to a morphological comparison between the various forms from different species of surgeonfish, suggestions are presented with regard to their possible morphological diversification during evolutionary and host-species specificity.
CITATION STYLE
Fishelson, L. (1999). Polymorphism in gigantobacterial symbionts in the guts of surgeonfish (Acanthuridae: Teleostei). Marine Biology, 133(2), 345–351. https://doi.org/10.1007/s002270050473
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