Table 1
| Pest | |||||
| Fish | Tadpoles, snails, amphibians | Can overpopulate the pond | Feed less frequently; Reduce fish population; Add gravel to tops of containers | ||
| Egreta, Herons, and Kingfishers | Tadpoles, small frogs, other amphibians | Nets over the pond; Make the shoreline steeper; Loud noise and random or motion-sensitive high pressure water sprays | |||
| Waterfowl | Foul water and adjacent landscape areas. Aggressive at nesting time of the year. | Add weight to the pots to anchor; Add gravel to tops of containers; Provide hiding places for fish; Nets and fencing around the pond; Raise height of plants along shoreline; Make the shoreline steeper; Loud noise and random or motion-sensitive high pressure water sprays | |||
| Other Birds | Insects, small frogs | Attract other predators. May drown in pond. | |||
| Mosquitoes | Larvae will develop in ponds. | Fish, tadpoles, and dragonflies feed on larvae; Aerating fountain to keep the water moving; Biological pesticides | |||
| Dragonfly naiads | Insects, tadpoles, small frogs | Encourage frogs and insect-feeding birds | |||
| Snails | Choose Japanese black or trapdoor snails. | ||||
| Crayfish | Tadpoles, small frogs | Will create mounds in soft soil. | Reduce hiding sites such as soft, damp soil and rock piles. | ||
| House cats | Frogs, birds, other inhabitants | Keep indoors; Monitor outside behavior; Motion-sensitive sprayers, sprinklers, loud noise, repellents; Nets and fencing around the pond; Add weight to the pots to anchor them | |||
| Dogs, Potbellied Pigs and Other Pets | Frogs, birds, other inhabitants | Puncture pond liners with toenails; Swim, splash in the pond. | Monitor outside behavior; Motion-sensitive sprayers, sprinklers, loud noise, repellents; Nets and fencing around the pond; Add weight to the pots to anchor them | ||
| Deer | Puncture pond liners. | Fencing around the pond; Repellents; Motion-sensitive sprayers, sprinklers, loud noises. | |||
| Opossums | Small animals, insects, birds, other inhabitants | Can transmit diseases and parasites to humans and pets; Can injure pets. | Remove nesting areas such as trees with cavities, brush piles; Lock up and secure compost piles, sheds, crawl spaces, garages, and trash areas; Fencing; Motion-sensing devices; More animal/human activity; Animal control or exterminator services | ||
| Raccoons | Small animals, insects, birds, other inhabitants | Can be aggressive; Can transmit diseases and parasites to humans and pets. | |||
| Skunks | Small animals, insects, birds, other inhabitants | Can transmit diseases and parasites to humans and pets; Can be aggressive. | |||
| Snakes | Small animals, insects, birds, other inhabitants | Can be aggressive, some venomous; usually frighten humans. | Eliminate debris areas, rocks, wood piles, and brushy areas; Keep pond area small; Eliminate shady areas adjacent to pond | ||
| Turtles | Smaller birds, frogs, other inhabitants | Can transmit salmonella; Snapping turtles can be aggressive. | |||
| Frogs/Toads | Smaller animals, smaller birds, frogs, and other inhabitants | Can make dogs ill and can be noisy. | |||