Hellgrammite Dobsonfly larva, Corydalus sp., on a stream rock
Dobsonfly larvae live underneath rocks in flowing streams with good water quality. Their presence is used, along with other macroinvertebrates that require high dissolved oxygen, as an indicator of a stream's health.
Size: 5266px × 3525px
Photo credit: © Martin Shields / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: aquatic, bait, biology, complete, corydalus, dobson, dobsonfly, ecology, fish, fishing, fly, food, hellgrammite, immature, indicator, insect, invertebrate, larva, macroinvertebrate, metamorphosis, neuroptera, quality, stream, trout, water
