other arthropoda
DESCRIPTION
Other Arthropoda. Water Mites. Small, often brightly colored, especially red Cephalothorax is small, making the abdomen the only visible segment Common in shallow littoral zone among aquatic plants Adults are mostly piercer-predators on small dipterans and microcrustaceans - PowerPoint PPT PresentationTRANSCRIPT
Other Arthropoda
Water Mites• Small, often brightly colored,
especially red• Cephalothorax is small,
making the abdomen the only visible segment
• Common in shallow littoral zone among aquatic plants
• Adults are mostly piercer-predators on small dipterans and microcrustaceans
• Larvae are external parasites especially on larval midges and mosquitoes
• Have a very complex life cycle
Order Isopoda: Sow Bugs
• Secretive; found in shallow water
• Omnivorous• Eggs held in marsupium
Order Amphipoda: Scuds,Sideswimers
• Laterally compressed• Most abundant in the
absence of fish• Negatively phototactic• Omniovores• Eggs and young are
brooded in marsupium• Some are subterranean
Order Decapoda:Crayfish and Shrimps
Fairy Shrimp
Order Ostracoda: Clam Shrimp