in.vert.e.brate

Freshwater invertebrates are a diverse and vital aspect of a river system. Click here is you are interested in the specific species native to the Delaware River, however it will be of little use, unless you know the specific invertebrate you are looking for. -As of 2000, there are 808 invertebrate species documented to be native to the Delaware River Basin.
Although aquatic invertebrates are barely visible above water level, they are not merely an intermediate point on the trophic hierarchy scale. Invertebrates play a key role in nutrient recycling processes, by speeding decomposition, as well as being a nutrient source, themselves, to a variety of river biota. Invertebrates