1. Fish:
- Pond fish such as carp, goldfish, and tench feed on pond weed as part of their diet.
- Grass carp (Ctenopharyngodon idella) are known for their voracious consumption of pond weed and are often used as a biological control method in ponds and lakes.
2. Birds:
- Ducks and geese graze on pond weed and other aquatic plants, including the leaves and stems.
- Coots and moorhens feed on pond weed as well as other vegetation and small animals in the pond.
3. Amphibians:
- Frogs and toads consume pond weed as part of their diet, primarily as tadpoles that feed on aquatic plants and algae.
4. Invertebrates:
- Invertebrates such as snails and freshwater shrimps may feed on pond weed and other decaying plant matter in the pond ecosystem.
- Aquatic insects like water beetles and dragonfly nymphs may also feed on pond weed and small plant organisms attached to it.
- Crustaceans, including water fleas (Daphnia) and amphipods (Gammarus), graze on pond weed and play an essential role in the food web.
Note that the specific species of animals present in a pond ecosystem and their feeding preferences can vary depending on the geographic location, habitat type, and environmental conditions.