Marine yeasts are considered to be an important category of marine
microorganisms. Kohlmeyer and Kohlmeyer (1979) isolated yeasts from seawater,
sediment, plants, animals and other organic matter in the marine habitat and
divided them into two groups - ‘obligate’ and ‘facultative’. “Obligate marine”
yeasts are those that have never been collected from anywhere else but the marine
environment, whereas, “facultative marine” yeasts are also known from terrestrial
habitats. “Obligate marine” species may be confined to marine habitats, especially
if they have been collected frequently and exclusively from the sea for several