What ecological disruption occurs when invasive armored catfish heavily graze the periphyton layer?

Answer

The primary food source for native grazers and invertebrates is removed, leading to starvation

The periphyton layer constitutes the base of the food web for many small native grazers; massive removal of this layer starves out those native populations.

What ecological disruption occurs when invasive armored catfish heavily graze the periphyton layer?

#Videos

Armored Catfish - Florida Invasive Species - YouTube

What are Armored-Catfish? (Callichthyidae) | What is a Fish with Taras

fisharmorCatfish