From the archive record
This footage captures a striking natural scene at Henry Island Beach, West Bengal, where the shoreline appears covered in a wide spread of red-colored crabs moving across the sand. These intertidal crabs, commonly associated with sandy beaches of the Bay of Bengal, are often from families such as Dotillidae (e.g., Dotilla spp.) and Ocypodidae (ghost and fiddler crabs, Ocypode spp., Uca spp.), known for their mass surface activity during low tide. Seen scurrying rapidly across the beach, these crabs emerge to feed on organic matter and microorganisms present in the sand, playing a vital role in aerating sediments and maintaining coastal ecosystem health. The reddish hue spread across the beach creates a visually dramatic pattern, highlighting the richness of India’s lesser-documented coasta