Sea urchins & sea cucumbers
Sea urchins and sea cucumbers belong to the useful marine animals. Sea urchins graze the algae coverings and sea cucumbers chew through the sand and eat organic particles. But be careful with the sea cucumbers, if they get into the pump and die their poison is released which can kill all fish in the saltwater aquarium.
Sea urchins & sea cucumbers Sea urchins and sea cucumbers belong to the useful marine animals. Sea urchins graze the algae coverings and sea cucumbers chew through the sand and eat organic...
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Sea urchins and sea cucumbers belong to the useful marine animals. Sea urchins graze the algae coverings and sea cucumbers chew through the sand and eat organic particles. But be careful with the sea cucumbers, if they get into the pump and die their poison is released which can kill all fish in the saltwater aquarium.