diving-sulawesi | The circular orange bit in the starfish's centre is the madroporite through which the animal breathes.

The circular orange bit in the starfish's centre is the madroporite through which the animal breathes. diving-sulawesi | The circular orange bit in the starfish's centre is the madroporite through which the animal breathes.
The circular orange bit in the starfish's centre is the madroporite through which the animal breathes.
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