i do not no
a proper food source and no contaminants in that pond so all natural a proper food source?
They are scavengers, their planktonic larvae are a big food source.
&nbs food for crustaceans
=because its food source is gone=
Trout
Neptune's Necklace is a food source for sea urchins, crustaceans, some fish, sea snails and people.
As their protection. They are soft bodied animals and the shells serve as armor for their vunerable bodies.
Please display pictures or careful descriptions of the five crustaceans you would like identified.
Dugongs eat seaweed, some crustaceans and fish eat algae.
pond weeds - planktons - fishes
In the case of fish in a pond, completely submerged plants are helpful in that they add oxygen to the water and offer a food source. They also add oxygen to the air surrounding the pond for lunged animals that live there.
The source of the microscopic animalcules described by Leuwenhoek was pond water. All these small organisms were single celled organisms.