Difference between Water Flea and Malacostracan Crustacean

WATER FLEA vs MALACOSTRACAN CRUSTACEAN: NOUN

Any of various aquatic crustacea of the order Cladocera, characterised by their jumping or jerky mode of swimming.
One of numerous small or minute crustaceans which skip about in the water like fleas, as Daphnia pulex; any branchiopod. See Daphniidæ, Cladocera, Cyclops.
Any of various other small aquatic crustaceans, such as some copepods, that swim with a similar motion.
Any of various small chiefly freshwater branchiopod crustaceans of the order Cladocera, having a bivalve carapace and typically swimming with jerking flealike motions, and including the daphnias.
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
Minute freshwater crustacean having a round body enclosed in a transparent shell; moves about like a flea by means of hairy branched antennae

Any one of numerous species of small aquatic Entomostraca belonging to the genera Cyclops, Daphnia, etc; -- so called because they swim with sudden leaps, or starts.

Sea animal, Congo snake, Bell animalcule, Water bug, Malacostracan crustacean, Whale louse, Backswimmer, Beach flea, Water scorpion, Lernean, Phyllopod, Branchiopod crustacean, Branchiopod, Cyclops, Daphnia

Natantia, Lernean, Cirriped, Phyllopod, Isopod, Amphipod, Macruran, Skeleton shrimp, Euphausiacea, Stomatopoda, Whale louse, Branchiopod, Branchiopod crustacean, Beach flea, Crustacean

Entoproct, Sea animal, Congo snake, Bell animalcule, Water bug, Malacostracan crustacean, Whale louse, Backswimmer, Beach flea, Water scorpion, Lernean, Phyllopod, Branchiopod crustacean, Branchiopod, Daphnia

Natantia, Lernean, Cirriped, Phyllopod, Isopod, Amphipod, Macruran, Skeleton shrimp, Euphausiacea, Stomatopoda, Whale louse, Branchiopod, Branchiopod crustacean, Beach flea, Crustacean

Try blackworms, grindal worms, vinegar eels or the fully aquatic water flea.
The water flea Daphnia pulex alternates between sexual and parthenogenetic reproduction.