What is this? I found it in my rock

[Jamess343]

Just wondering what this is. Is it good for the tank?

 

[Evan West]

Sea Cucumber? @Lionfish Lair

 

[Jamess343]

Sea Cucumber? @Lionfish Lair

Is it good for the tank?

 

[nautical_nathaniel]

Is it good for the tank?

Sea cucumbers can be a risk overall, they will clean the sand bed but can also release toxic chemicals when they die.

 

[Jamess343]

Sea cucumbers can be a risk overall, they will clean the sand bed but can also release toxic chemicals when they die.

Okay. Thanks