In recent study amphipods were not further identified up to genus and species level owing to their smaller size (0.5-
1.0 mm). Amphipods represented well in the three transects studied and were in maximum density in mid tidal zone (450
individuals / m 2) and good representation was observed in the high tidal zone as well (230 individuals /m2). Density was
lower in low tidal zone (97 individuals/m 2). Presence of amphipods in good numbers indicates towards the tolerance of
the sensitive group of Crustaceans. Tirmizi et al. (1983) reported crabs, amphipods and isopods as the permanent
invertebrates of mangrove swamps of Sandspit backwaters.