Spot The Invaders

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Across
  1. 2. Colorful plants, invasive to gardens
  2. 3. Birds with shiny feathers, European origin
  3. 5. Huge snakes, of South-east Asian origin
  4. 7. Large fish from Asia, crowds rivers
  5. 8. Small stripped shellfish, clogs pipes and boats
  6. 9. Small Ant, painful stings
  7. 10. Whisker-like barbells, mostly found in African rivers
Down
  1. 1. Floating aquatic plants, that clog rivers
  2. 4. Domestic cats that hunt in the wild
  3. 6. Poisonous toad, introduced to control pests