I first discovered Charlize the hitchhiking crab sitting at the base of the Seriatopora in February 2017, she was such a tiny little thing back then no bigger than the nail on my little finger. For a couple of months I let her do her thing before deciding to move her after she knocked a frag off the rockwork. She was surprisingly easy to catch and rather than dispose of her, something I never like to do with any living creature, I placed her into the most desirable of crab residences, the refugium! Since then she has positively thrived and has grown incredibly. She's a beefy crab now measuring a couple of inches across, quite a bit bigger than the Emerald crab she now shares her home with. When I added Bruce (the Emerald crab) I did worry that there might have been issues between the two but so far everything's been good. They tend to hang out at opposite ends of the tank although I occasionally find them relatively close together as in the second photo below. I can't help but wonder how much growing Charlize still has left to do, I may need a bigger refugium if she keeps expanding, gulp!
I decided that the clean-up-crew needed a bit of a boost. Whilst I still have two original Ceriths introduced in November 2016, the pair I added 6 months later are no longer with me. I don't get to see these snails very much as they only come out to play when the lights go out but I find they are hard workers and (in a very, very small way) useful keeping the sand turned. So I introduced 6 more. In addition to which I added 5 more teeny-tiny Blue Leg hermits (complement the two already present) and, after much deliberation, an Emerald crab. I have wanted to keep an Emerald crab for ages but have always wimped out of adding one at the very last minute, this time however I actually went ahead and did the deed. I had hoped that it would deal with an ever growing number of Valonia (bubble algae) that were popping up on one particular piece of the rockwork.
On day one the Emerald crab (Bruce, as he is now named) picked at the rockwork (good) and sampled the Superman Montipora and Seriatopora hystrix (not good!). On day two some of the small fan worms that I'd been carefully nurturing disappeared but I'd kinda expected this, what I didn't expect however was to wake up to 3 complete branches of Seriatopora stripped of flesh. Alarm bells were definitely ringing. Day 3, things looked worse for the Seriatopora, losing fans worms is one thing but eating corals is a no-no so a quick herding with a pipette into a glass cup (not too bright this crab) and down into the refugium he went. Now Bruce spends his days in bliss and munching on the veggies like he's supposed to. Sadly he never got the chance to deal with growing number of Valonia in the DT.
Here's a quick pic from day 1 before he blotted his copy book:
And now here's a quick video of him living it up in the veg paradise that is the refugium, those grapes are oh so tasty (but maybe not so much as coral, rofl). Apologies for the freaky red lighting, it's not great for videos but the algae seems OK to grow under it.
Hi, my name is Lisa and I live in Derby, UK. I am a self-confessed reefaholic!