]> http://projectwatershed.org/taxonomy/term/17/9 en http://projectwatershed.org/beetle_larva <a href="beetle_larva"><span class="image thumbnail"><img src="http://projectwatershed.org/uploads/projectwatershed_files/images/beetlelarva.jpeg" width="190" height="435" alt="Beetle Larva" title="Beetle Larva" /></span> </a><li >Up to 3/4&rdquo; long </li> <li > Body is long, hard, stiff and segmented </li> <li > Six long segmented legs on upper middle section of body </li> <li > Back end has two tiny hooks and short hairs (may be hard to see)</li> Exist in a Wide Range of Conditons Tue, 2 May 2006 17:12:35 -0400 http://projectwatershed.org/crayfish <a href="crayfish"><span class="image thumbnail"><img src="http://projectwatershed.org/uploads/projectwatershed_files/images/crayfish_0.jpeg" width="404" height="433" alt="Crayfish" title="Crayfish" /></span> </a><li >They grow by shedding (&ldquo;molting&rdquo;) their shells </li> <li >Often found hiding under rocks during the day and foraging on the stream bed during the night </li> <li >Most live only two years, but some may live up to six or seven years </li> <li >Up to six inches long </li> <li >Eyes stand out from the body </li> <li >Two or four antennae </li> <li >Body covered with hard, platelike shell </li> <li >Ten legs, two of these are large claws </li> <li >Color is red, orange, brown </li> Exist in a Wide Range of Conditons Tue, 2 May 2006 17:09:40 -0400 http://projectwatershed.org/clam <a href="clam"><span class="image thumbnail"><img src="http://projectwatershed.org/uploads/projectwatershed_files/images/clam_1.jpeg" width="459" height="334" alt="Clam" title="Clam" /></span> </a><li >Wide range of tolerances to pollution; some are very sensitive </li> <li >Mussels have a long life span </li> <li >Two hinged shells enclose soft bodies </li> <li >Clams are smaller (3/4 inches) and more round than mussels </li> <li >Clams are usually symmetrical with the umbo (highest point on the shell) equally distant from both ends </li> <li >Mussels have a flat, oblong shell shape </li> <li >Soft, fleshy body (foot) may be seen extending from shell </li> <li > No eyes or distinct head </li> Exist in a Wide Range of Conditons Tue, 2 May 2006 17:07:44 -0400 http://projectwatershed.org/cranefly_larva <a href="cranefly_larva"><span class="image thumbnail"><img src="http://projectwatershed.org/uploads/projectwatershed_files/images/craneflylarva.jpeg" width="371" height="371" alt="Cranefly Larva" title="Cranefly Larva" /></span> </a><li >Develop over a period of six weeks to five years </li> <li >Close to 300 species in North America </li> <li >Usually live in the stream bed </li> <li >Up to four inches long </li> <li >Head is usually retracted so the front end appears round </li> <li >Fleshy, plump, rounded segmented body </li> <li >Its digestive track (internal organs) can be seen moving back and forth as it crawls </li> <li > No legs </li> Exist in a Wide Range of Conditons Tue, 2 May 2006 17:05:23 -0400 http://projectwatershed.org/damselfly_larva <a href="damselfly_larva"><span class="image thumbnail"><img src="http://projectwatershed.org/uploads/projectwatershed_files/images/damselflylarva.jpeg" width="386" height="436" alt="Damselfly Larva" title="Damselfly Larva" /></span> </a><li >Develop over one to four years </li> <li >Large eyes &bull; Large scoop-like lower lip </li> <li >No gills on the sides or underneath the abdomen </li> <li >Six long segmented legs on upper middle section of body </li> <li >Long spindly legs </li> <li >Narrow body with three oar-shaped tails (gills) that look like fans</li> Exist in a Wide Range of Conditons Tue, 2 May 2006 16:49:42 -0400 http://projectwatershed.org/dragonfly_nymph <a href="dragonfly_nymph"><span class="image thumbnail"><img src="http://projectwatershed.org/uploads/projectwatershed_files/images/dragonflynymph.jpeg" width="325" height="432" alt="Dragonfly Nymph" title="Dragonfly Nymph" /></span> </a><li >Develop over one to four year period </li> <li >Large eyes </li> <li >Large scoop-like lower lip </li> <li >Wide oval or round abdomen that may end in three wedge-shaped extensions </li> <li >No gills on the sides or underneath </li> <li >Six long segmented legs on upper middle section of body</li> Exist in a Wide Range of Conditons Tue, 2 May 2006 16:47:46 -0400 http://projectwatershed.org/scud <a href="scud"><span class="image thumbnail"><img src="http://projectwatershed.org/uploads/projectwatershed_files/images/scud.jpeg" width="460" height="222" alt="Scud" title="Scud" /></span> </a><li >They swim rapidly on their sides and are nicknamed &ldquo;side swimmers&rdquo; </li> <li >Usually found where there are plants in the water </li> <li >Seven pairs of tiny segmented legs </li> <li >Two pairs of antennae </li> <li >Color is white to clear </li> <li >Resembles a freshwater shrimp </li> <li >Hard, platelike shell except over the head and upper body</li> Exist in a Wide Range of Conditons Tue, 2 May 2006 16:44:11 -0400 http://projectwatershed.org/sowbug <a href="sowbug"><span class="image thumbnail"><img src="http://projectwatershed.org/uploads/projectwatershed_files/images/sowbug.jpeg" width="343" height="426" alt="Sowbug" title="Sowbug" /></span> </a><li >Also called the pillbug </li> <li >Approximately 130 freshwater species in North America </li> <li >Large numbers of sowbugs indicate organic enrichment </li> <li >Crawl slowly over surfaces </li> <li >Up to 3/4 inches long </li> <li >Seven pairs of legs </li> <li >Dark brown to grey in color </li> <li >Two pairs of antennae (one pair is much longer than the other) </li> <li >Much wider than they are high and rather flat</li> Exist in a Wide Range of Conditons Tue, 2 May 2006 16:42:30 -0400