An Orbicular Burrfish was hiding in a discarded can on the black volcanic sand slopes of Lembeh Strait, Indonesia when it was photographed by dental surgeon Nick More. This creature is a type of porcupine fish that has flat spines, but it can inflate like a "football with spikes" when it is threatened. [Photos: IC]

An Orbicular Burrfish was hiding in a discarded can on the black volcanic sand slopes of Lembeh Strait, Indonesia when it was photographed by dental surgeon Nick More. This creature is a type of porcupine fish that has flat spines, but it can inflate like a "football with spikes" when it is threatened. [Photos: IC]

An Orbicular Burrfish was hiding in a discarded can on the black volcanic sand slopes of Lembeh Strait, Indonesia when it was photographed by dental surgeon Nick More. This creature is a type of porcupine fish that has flat spines, but it can inflate like a "football with spikes" when it is threatened. [Photos: IC]

An Orbicular Burrfish was hiding in a discarded can on the black volcanic sand slopes of Lembeh Strait, Indonesia when it was photographed by dental surgeon Nick More. This creature is a type of porcupine fish that has flat spines, but it can inflate like a "football with spikes" when it is threatened. [Photos: IC]