[3] Ctenophora

• 3 Ctenophore forms:

  1. Cydippid
  2. Lobate
  3. Beroid
• Typical ctenophore anatomy

  1. Complete tissue system
  2. Lateral comb plates (ctenes) used for locomotion
  3. Canals for bioluminescent organisms
  4. Statocyst - balancing organ
• Comb jelly responsible for anchovy farm collapse

  Mnemiopsis leidyi
• Ecological roles

  1. Predators of zooplankton
  2. Prey on fish eggs and larvae
  3. Channel nutrients to larger plankton feeders