How do angelfish protect themselves?

Answers:
They bite. Should have seen the female go at my male after he starting eating her eggs. cor she was Peeved off. lol

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Angel fish protect their territory by displaying and biting against intruders. Those with fry or eggs to protect will often fight to the death.

When it comes to predators though, they tend to prefer prevention, by hiding amongst the plants that make up their natural environment and fleeing when necessary.

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Angels protect themselves by biting.

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They protect themselves by biting and flaring their gills a little bit.