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Old 07-28-2012, 03:39 PM   #1
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Blue crabs as pets???

I've seen blue crabs as pets at my grocery store for $3..... They're like 6" long. I would love to save one.... But I think they would kill my fish. All my fish ate over 4" and I have a 6" lobster. The lobster kills new fish, but not things that were in the tank when he was introduced. Will the blue crab do the same? I have a Niger trigger, yellow tang, black edge moray eel, orbiculate batfish, and honeycomb grouper. 150g. Would he be fine if added last? It would be really cool.
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Old 07-28-2012, 03:43 PM   #2
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I can't really say much since I don't know what it is...it wouldn't be reef safe, I know that much. 3 bucks is an ok price...but if you go that route def QT. That is a crab out of the ocean, who knows what it could be carrying.
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Old 07-28-2012, 03:47 PM   #3
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None of my fish are reef safe.... So reef safe isn't an issue.... As long as its coral and fish safe I'm fine....... Thanks for the help. Anyone with other ideas or thoughts?
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Old 07-28-2012, 04:17 PM   #4
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Not sure if it was a good idea or not, but I found a 1 1/2" Blue crab at the beach a few weeks ago, and put him in my tank. Only seen him once since then, in my overflow box. Pulled him out of the box, and haven't seen him since.
A 6" crab is pretty big though, he might try to grab some of your fish.
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Old 07-28-2012, 04:20 PM   #5
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That's what I thought... Just read some articles and apparently they eat everything, including their own species. Are there any crabs I could keep that my fish wouldn't eat??? My grouper wrecked 2 porcelain crabs in about 1 minute.... So I'm looking for like 3" crabs. Any ideas?
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Old 07-28-2012, 04:34 PM   #6
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Don't know man, any invert will be challenging with that Grouper, especially as it matures.
I really hope that little Blue I put in doesn't start to eat coral...
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Old 07-28-2012, 04:43 PM   #7
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That's why I'm so reluctant to give my lobster away. He's the only invert I can keep with the boss of the tank .
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Old 07-28-2012, 04:48 PM   #8
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Quote:
Originally Posted by crister13
That's why I'm so reluctant to give my lobster away. He's the only invert I can keep with the boss of the tank .
I agree with you there! I've had mine over 6 years, and when I upgraded to this tank 1 1/2 years ago, I debated taking him out...I just couldn't! He's now over 5" and I think he's starting to eyeball my fish. I just try to make sure his belly is full! Probably going to be forced to re-home him soon. He was like 3/4" when I got him.
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Old 07-28-2012, 04:53 PM   #9
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Mine was always big. He's a Caribbean spiny. What type is yours??? Here's a pic. Hes killed 3 fish. Only ones that were introduced after him though.
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Old 07-28-2012, 04:56 PM   #10
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Wow...he is big! Mines a Purple Reef, here's a pic of his last molt...I rarely ever see him, so it's the best I've got!

Attachment 109424

Was about 3 months ago.
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