They are more likely to eat unrelated tadpoles than their litter mates.
They will also eat very small fish and tadpoles.
These spiders eat other invertebrates, tadpoles and occasionally small fish.
Fish, of course, will eat tadpoles and eggs.
The introduced trout eat eggs, tadpoles and adult frogs.
Its diet consists mainly of small fish, but will also eat tadpoles, frogs, and aquatic insects.
They also eat dead insects and tadpoles, as well as fairy shrimp.
Mine don't eat tadpoles, perhaps because I feed them regularly.
Feeding is often near water, including garden ponds, and this bird will eat tadpoles or tiny fish if the opportunity arises.
After hatching they eat algae, small invertebrates or other tadpoles.