Crabs Are Evil Society
- Thread starter Witfull
- Start date
prow
Well-Known Member
heheh i like, pretty clothes idea. lol. i have had and seen a coral banned shrimp lunge at fish passing by. one time it got a clown just right and sliced it from its eye to its gill. it died almost instantly. stupid shrimp
lcstorc
Well-Known Member
So this morning I was reading through Reef Invertebrates by Anthony Calfo and Robert Fenner. Here is the summary from the chapter on crabs. I'm not sure who wrote this part but they must have been hanging out with Witfull.
"We generally do not recommend crabs for mixed reef invertebrate systems. They are tipically better suited to fish-only or species-specific displays. Whatever scavenging benefits most have are outweighed by their potential to kill desirable fish and invertebrates. For aquarists seeking nuisance algae control, it is likely better to focus on improving nutrient export mechanisms and employing alternate herbivorous livestock like snails. The risk of most crabs in time to demonstrate their true omnivorous or even carnivorous tendencies is simply too great. It is especially ironic when an 'algae-grazing' crab is routinely inclined to kill and consume other algae-graxing invertebrates!"
Sounds like they belong to CAE~
"We generally do not recommend crabs for mixed reef invertebrate systems. They are tipically better suited to fish-only or species-specific displays. Whatever scavenging benefits most have are outweighed by their potential to kill desirable fish and invertebrates. For aquarists seeking nuisance algae control, it is likely better to focus on improving nutrient export mechanisms and employing alternate herbivorous livestock like snails. The risk of most crabs in time to demonstrate their true omnivorous or even carnivorous tendencies is simply too great. It is especially ironic when an 'algae-grazing' crab is routinely inclined to kill and consume other algae-graxing invertebrates!"
Sounds like they belong to CAE~
wonderloss
Member
I somewhat miss my skunk cleaner, but he was a little thief. It made it difficult to feed my rics. I do not think I will get another.
My peppermint stays out of the way. I hardly see him. However, he may be the reason that my lone aiptasia remains a lone aiptaisia, and not a huge problem. I have had it for almost a year, perhaps longer, but it is the only one in the tank. I have not seen another pop up anywhere. It has gotten fairly large, but I have not bothered to kill it since it is not causing problems.
Danger is my middle name.:whstlr:
(although technically not a crab):
?, Explain.
wonderloss
Member
wonderloss
Member
I just learned it myself. His comment and your question made me curious.
amc78cj7
Member
A little more from wikipedia Porcelain crab: - Wikipedia, the free encyclopedia
Porcelain crabs can be distinguished from the true crabs by the apparent number of walking legs (three instead of four pairs, the fourth pair is actually hidden under the carapace), the apparent lack of a wrist (carpal) segment on the chelipeds, and long antennae originating on the front outside of the eye stalks.....Porcelain crabs share the general body plan of a squat lobster (Galatheidae), but their bodies are more compact and flattened, an adaptation for living and hiding under rocks, as well as squeezing into little nooks and crannies. The porcelain crabs are quite fragile animals, and will often shed their limbs, hence their name.
amc78cj7
Member
That's too bad. Must be a bad apple. My emerald is older (fairly large) and is my favorite creature in the tank. He is out picking at rocks 24/7 and comes running to me when I open the lid to target feed. I've watched him stand right next to other crabs, shrimp, fish and snails and never go after them. He just minds his own business.
On the other hand, I did see the coral banded shrimp reach out at one of the clown fish today. He may have just been protecting his turf, don't know.
tjk72
New Member
Yeah i don't get it. Everyone i've talked to at the lfs's say they are passive but i've witnessed the carnage. THank goodness my orange spotted goby is still alive along with the skunk cleaner shrimp. I was able to get the crabs out. One of the bigger ones' legs fell off in the abduction but it didn't make me feel bad. Not sure what to do with them just yet.
