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09-22-2004, 10:09 AM
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#1
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Aquarium Advice Regular
Join Date: Aug 2004
Location: Columbia, TN
Posts: 109
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Emerald Mithrax Crabs
I just ordered several inverts from eTropicals.com. 2 of them were Emerald Mithrax Crabs. When I pulled the bag out of the box, I see not 2 but 3 crabs in there. 1 is a beautiful shade of green, the other 2 are more "peach colored". I thought the name, "Emerald" meant green. Can they be other colors aside from green or did I get some other type of crab?
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Wes
75 gal SW tank, Eheim 2215 Filter, 45lb Figi Premium LR, 2 Maxi-Jet Powerhead/Pump Model 900
5 Dwarf Red Tip Hermit Crabs, 5 Dwarf Blue Leg Hermit Crabs, 3 Emerald Mithrax Crabs, 1 Cleaner Shrimp, 1 Fire Shrimp, 10 Cerith Snails, 10 Nassarius Snails, 6 Bumble Bee Snails, 16 Turbo Snails, 1 Brittle Sea Star
Yellow-tailed Blue Damsel, Foxface Lo, Coral Beauty Angelfish, Sailfin Tang, Scooter Blenny
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09-22-2004, 05:52 PM
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#2
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Aquarium Advice Regular
Join Date: Aug 2004
Location: Columbia, TN
Posts: 109
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anyone have any advice?
__________________
Wes
75 gal SW tank, Eheim 2215 Filter, 45lb Figi Premium LR, 2 Maxi-Jet Powerhead/Pump Model 900
5 Dwarf Red Tip Hermit Crabs, 5 Dwarf Blue Leg Hermit Crabs, 3 Emerald Mithrax Crabs, 1 Cleaner Shrimp, 1 Fire Shrimp, 10 Cerith Snails, 10 Nassarius Snails, 6 Bumble Bee Snails, 16 Turbo Snails, 1 Brittle Sea Star
Yellow-tailed Blue Damsel, Foxface Lo, Coral Beauty Angelfish, Sailfin Tang, Scooter Blenny
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09-22-2004, 06:37 PM
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#3
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AA Team Emeritus
Join Date: Aug 2002
Location: Louisiana
Posts: 7,224
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They can be a different color
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09-22-2004, 09:50 PM
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#4
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Aquarium Advice Addict
Join Date: Sep 2003
Location: Athens, TN.
Posts: 3,598
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They can be different colors for sure but I got a stupid rock crab in my order, ate a fish and at least 1 snail before I figured it out.
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09-23-2004, 06:25 AM
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#5
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Aquarium Advice Apprentice
Join Date: Jul 2004
Location: Chicago, IL
Posts: 43
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The claws should have a little suction cup looking part on both sides that it uses to grab algae. I have dark red and green ones (dark green to a pale green).
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09-23-2004, 06:26 PM
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#6
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Aquarium Advice Activist
Join Date: Aug 2004
Location: Skokie, IL
Posts: 109
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Mithrax crabs come in two different types from the caribean. Mithrax Sculptis, and Mithrax Rosaceous. A lot of people do not agree with me on this site, but I can show you the scientific data anaylsis we performed in Jamaica 4 years ago, that demonstrated that the Mithrax sculptis (the green kind), feeds primarily on algae and small inverts. The rosy ones (Mithrax rosaceous) tend to on the other hand have a lot of fish pieces in their stomach upon dissection. They should be ok when they are small, but as they age, they will get quite bad. I hope I can help.
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09-28-2004, 08:40 PM
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#7
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Aquarium Advice FINatic
Join Date: Aug 2004
Location: Miami, Fla
Posts: 649
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I've seen many different shades of Mithrax crabs, they can be from lime green to very dark brown with only a hint of green.
P.S They are good florida pompano/permit bait.
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