Dragonfly nymphs and dobsonfly larva exhibit many of these characteristics.
British Dictionary definitions for dobsonfly
noun (pl) -flies
(US & Canadian) a large North American neuropterous insect, Corydalis cornutus: the male has elongated horn-like mouthparts and the larva (a hellgrammite or dobson) is used as bait by anglers: suborder MegalopteraSee also hellgrammite
C20: origin uncertain, perhaps after the surname Dobson