They have a light green to silver carapce and red endopodits. . You can say, The more the Triops comes from North, the darker it is. The more it comes from South, the brighter it is. Nothern Triops are more greenish and speckled, southern ones aremore silver. Both of them have red legs.
is a living fossil; it has not changed in appearance since the Triassic period, 220 million years ago, and is therefore the oldest living animal species known . With its flattened shield that covers the head- and leg-bearing parts of the body, resembles a small horseshoe crab. The segmented abdomen bears two projections . All notostracans (tadpole shrimps) have 2 internal compound eyes plus the larval nauplius eye ( means 'three eyes'). In females, the 11th pair of legs is modified and carries the eggs .
Water fleas reproduce faster than Triops, which is why you might see a few in there one day and then dozens a day later, and then hundreds after that. Triops produce eggs that are laid of the bottom of the pool and then need to be dried out before they will hatch. Water fleas will produce babies that hatch right away and don’t need to be dried out (although they can produce those types of eggs also).