Can dogs eat Black fungus?

Overview

Dogs can eat black fungus with the correct preparation. Black fungus are healthy for dogs; they have detoxifying and immune-strengthening properties that minimize the chances of diseases in canines from developing. Only give cooked black fungus to a dog, as fresh black fungus contain a substance called Porphyrin which could cause skin diseases; in severe cases, skin necrosis may occur.

Benefits

Black fungus, also known as Cloud ear fungus, is similar to Wood ear fungus but smaller. It is high in fiber, promoting healthy digestion in dogs.
It's also rich in antioxidants which boost the immune system.
Black fungus are a good source of niacin and riboflavin, which are essential micronutrients needed by dogs for energy metabolism.
Black fungus has detoxifying properties.

Risks

Mushrooms from the wild are likely to be poisonous. Only give store-bought black fungus to dogs.
Excessive consumption is likely to cause diarrhea or flatulence in dogs.
Fresh fungus contains a substance, which can cause skin itching and edema in dogs once consumed. However, most of the substance will be decomposed during the process of forming dry fungus. Dried fungus soaked in water before eating will allow the remaining porphyrin to dissolve in water.