பொருள் : Minute free-swimming freshwater copepod having a large median eye and pear-shaped body and long antennae used in swimming. Important in some food chains and as intermediate hosts of parasitic worms that affect man e.g. Guinea worms.
ஒத்த சொற்கள் : cyclops
பொருள் : Minute freshwater crustacean having a round body enclosed in a transparent shell. Moves about like a flea by means of hairy branched antennae.
ஒத்த சொற்கள் : daphnia