Water chestnuts or Chinese water chestnuts are a grass-like sedge that are native to Asia, Australia, tropical Africa, and various islands of the Pacific and Indian Ocean.
It is not a nut but and aquatic vegetable which grows underwater in the mud. It has tube-shaped, leafless green stems which grow up to 1.5 metres high.
So can bearded dragons eat water chestnuts at all?
Lets take a look at their nutritional data and find out more.
In particular, their acidic, calcium, phosphorus, water, protein, fat, sugar, and fibre content is of most interest when it comes to bearded dragons.
Another thing of importance is the calcium:phosphorus ratio as for every part phosphorus, there needs to be another part calcium if not more. From 1:1 to 2:1 is ideal as far as bearded dragons are concerned.
As you can see water chestnuts have no calcium content and a high phosphorus content. They also have a high acidic content
So unfortunately they can eat water chestnuts, they are not good for them to eat due to their nutritional content.
There are much better foods for bearded dragons to eat.