Hellgrammite,or,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. They are eaten by fish such as trout and can be used as fish bait in fly fishing | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Shields, Martin |
Bildgröße: | 4930 px × 3300 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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