Can someone tell me what this is?

danjam97

New Member
View Badges
Joined
Aug 5, 2022
Messages
7
Reaction score
2
Location
Lancashire
Rating - 0%
0   0   0
Hi,

I noticed these red things on an Astraea shell, they poke out a little and retract when I go near.

Can anyone tell me what they are?

image.jpg


Thanks :)
 

Just grow it: Have you ever added CO2 to your reef tank?

  • I currently use a CO2 with my reef tank.

    Votes: 4 5.9%
  • I don’t currently use CO2 with my reef tank, but I have in the past.

    Votes: 2 2.9%
  • I have never used CO2 with my reef tank, but I plan to in the future.

    Votes: 5 7.4%
  • I have never used CO2 with my reef tank and have no plans to in the future.

    Votes: 53 77.9%
  • Other.

    Votes: 4 5.9%
Back
Top