Goniastrea stelligera

Knob Coral, a reference photo
Photo: NPS - Larry Basch · Public domain

Goniastrea stelligera, commonly known as knob coral, is a species of stony coral in the family Merulinidae. It occurs in shallow water on the coast of East Africa and in the Indo-Pacific region. This is a common species of coral but it seems to be decreasing in abundance. The main threat it faces is from the destruction of its coral reef habitat, and it is also moderately susceptible to coral bleaching, so the International Union for Conservation of Nature has rated its conservation status as being "near threatened".

From Wikipedia, under CC BY-SA 4.0.

Is it venomous or poisonous?

We have no record of Knob Coral being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Animalia
Phylum
Cnidaria
Class
Anthozoa
Order
Scleractinia
Family
Merulinidae
Species
Goniastrea stelligera

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Knob Coral (Goniastrea stelligera) · B.inomen