Brackishwater areas have been given much importance for prawn farming. No information was
available on the Killai backwaters about factors like water quality, topography, contour, extent
of the area, tidal amplitude, seed potential and possibilities of flooding etc. Hence during 1982-'84
Klllai area was thoroughly surveyed on the above aspects and the results have been discussed in this
paper. From this it is inferred that a total area of about 155 ha is readily available for undertaking
both pond and pen culture in this backwater