More on Naiad
Insect - invertebrate animal of the class Insecta of the phylum Arthropoda. Like other arthropods, an insect has a hard outer covering, or exoskeleton, a segmented body, and jointed legs. Adult insects typical...
The immatures, naiads, live in ponds, lakes and streams. Dragonflies are the robust, faster flying, highly active insects in this order. Damselflies are more slender, less active and weaker fliers.
Holly-leaved naiad (Najas marina)
Red-necked phalarope (Phalaropus lobatus)
Marsh clubmoss (Lycopodiella inundata)
Large heath (Coenonympha tullia)
Brown galingale (Cyperus fuscus)
European starling (Sturnus vulgaris) ...
They are aquatic insects whose immature stage (called "naiad" or, colloquially, "nymph") usually lasts one year in freshwater. The adults are short-lived, from a few minutes to a few days depending on the species.
Most of a dragonfly's life is spent in the larval, (naiad, aka nymph) form, beneath the water's surface, using internal gills to breathe, and using extendable jaws to catch other invertebrates or even vertebrates such as tadpoles and fish.
Adult striped crayfish snakes feed primarily on hard-shelled crayfish but juvenile also eat odonate (dragonfly) naiads or seasonally abundant shrimp in some areas.
 See also: Nymph, Shrimp, Arthropoda, Tadpole Shrimp, Mayfly
  
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