Fresh water planktons SOME COMMON INVERTEBRATES Beetle Larvae

Fresh water planktons

SOME COMMON INVERTEBRATES Beetle Larvae Many beetle larvae are aquatic. Look for a “worm with six legs”. Water Penny-we may find at Rockbridge SP

SOME COMMON INVERTEBRATES Fly Larvae Horse fly (maggots) and mosquito larvae (wigglers) are aquatic.

SOME COMMON INVERTEBRATES True Bugs Leathery wings with “X” on back. Toad Bugbites! Ouch!!! These bugs may bite. Water bug with babies on back. Giant Water Bug-This can eat fish, frogs and swimmers toes! Ouch!

SOME COMMON INVERTEBRATES True Bugs Leathery wings with “X” on back. These bugs usually do NOT bite Water Scorpion”Stinger is really a snorkel. Water Strider (not water spider) uses surface tension to “walk on water. ”

SOME COMMON INVERTEBRATES Beetles Hard Shell Giant Water Beetle-can kill and eat small frogs and fish. May come to lights at night.

SOME COMMON INVERTEBRATES Planaria have great Powers of regeneration And are often used in Experiments. Flatwormsnonparasitic or free-living. We MAY find the rare Pink Planaria at Rockbridge SP.

SOME COMMON INVERTEBRATES Nematode Worm Roundworms The parasitic Horsehair worm is found in fresh water and must have a cricket/grasshopper to complete its life cycle. All parasites have a very complex life cycle.

SOME COMMON INVERTEBRATES Oligichate Worms with bristle feet Earthworms and leeches.

SOME COMMON INVERTEBRATES Crustaceans-1 AMPHIPODSLike Shrimp swim on side. We should find lots of these at Rockbridge SP.

SOME COMMON INVERTEBRATES Crustaceans-2 ISOPODS-Flat like sowbug or pillbug or rolleypolley We should find some of these at Rockbridge SP.

SOME COMMON INVERTEBRATES Molluscs Snails and Clams

• • SOME COMMON INVERTEBRATES Amoeba (Protista, Sarcodina)) Paramecium (Protista, Ciliate) Aeolosoma (Annelida) Brown Hydra (Coelenterate) Brown Planaria (Platyhelminthes) Daphnia (Arthropod, Crustacean) Rotifers (Philodina) Vinegar Eel (Nematode)