Cnidaria

1
Cnidaria

• And Their Economic Impacts

2
Jellyfish

• Used as decorative additions to acquaria
• Antivenin research
• Nerve net serves as basis for physiology research

3
Corals

• Barrier reefs prevent erosion to islands
• Provide habitat for many species of fish,
  reptiles, invertebrates
• Tourism - diving
• Can be harvested for profit
• Used as decorative items
• Used in aquariums live rock

4
Sea Anemones

• Used in aquarium industry for saltwater tanks
• Tourism - diving