Hermit crab Hermit crab Hermit crabs are decapod crustaceans of the superfamily Paguroidea. Most of the approximately 1,110 species possess an asymmetrical abdomen that is concealed in a scavenged mollusc shell carried around by the hermit crab. Most species have long, spirally curved abdomens, which are soft, unlike the hard, calcified abdomens seen in related crustaceans. The vulnerable abdomen is protected from predators by a salvaged empty seashell carried by the hermit crab, into which its whole body can retract. Most frequently, hermit crabs use the shells of sea snails (although the shells of bivalves and scaphopods and even hollow pieces of
Streak-throated hermit some distance along the Tapajos River corridor. It is a small hermit with a total length of approximately 9 cm, both subspecies have very pale buff-grey underparts and dark streaks on the throat. Streak-throated hermit The streak-throated hermit ("Phaethornis rupurumii"), also known as the Rupurumi hermit, is a species of hummingbird in the family Trochilidae. It was formerly considered a subspecies of the dusky-throated hermit. The streak-throated hermit is found in forest, woodland and dense shrub in north-eastern South America. It has two subspecies; the nominate subspecies is found in south-eastern Venezuela, west-central Guyana, and the extreme northern Brazil Amazon