Brackish fiddler crabitat - Page 2 - The Planted Tank Forum
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post #16 of 32 (permalink) Old 01-04-2014, 04:32 AM Thread Starter
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Thanks JoshBA. I have learned a few things on this original setup that I won't be doing on the 2nd. First, the wall is WAY too tall. It doesn't need that much water and because of it, the crab is almost never in the sandy side. There needs to be more of a slope so he feels more comfortable climbing in and out of the water. I usually see him perched up on the rocks, but hardly ever in the sand. I've seem some setups where sections of PVC are buried in the sand to create tunnels which I think will work well. The dimensions of the 20 long I'll be using will be better for this too.

I think I will also put a good layer of the lava rock under the sand on the dry side so it can drain.

I've been dropping various clippings of plants in the tank from time to time, and no surprise, hygro sunset seems to be doing just fine in there. Duckweed also seems to have no issue staying green in the brackish water also. Weeds will be weeds I guess.
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post #17 of 32 (permalink) Old 01-28-2014, 04:59 AM Thread Starter
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Switched out to a 20 long. I went ahead and sealed up the 'dry' side. I couldn't figure out how to drain without the sand moving over to the wet side. I'm keeping the wet side sand free because my little tetra sand kept getting stopped up with sand in the impeller no matter how I try to pre-filter it.



Also got my little guy a girlfriend. They've been flirting all evening tonight. He's waving, she's creeping back and forth. Pretty funny to watch.


Finally added some live plants to the dry side. Some 'lewisia' (forground) and some christmas fern (background).
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post #18 of 32 (permalink) Old 01-28-2014, 05:51 PM Thread Starter
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The female molted last night! After only 2 days in her new home. Life must be better than Petco
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post #19 of 32 (permalink) Old 02-09-2014, 07:28 AM Thread Starter
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Another picture of Mr Miagi (fiance named him ) I have yet to get a good picture of the female. She likes to get out and dry off more than the male does for some reason.
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post #20 of 32 (permalink) Old 03-24-2014, 07:20 PM Thread Starter
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I grabbed a couple pictures last night. The female has dug a tunnel in the dry area. I'm wondering if she is going to have babies??




When he's not diving into his burrow, he's out waving to the house. The female has been in hiding for several days now. By my research she could be preparing to have babies.



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post #21 of 32 (permalink) Old 03-27-2014, 06:16 PM Thread Starter
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More tunnels are dug and the female is still in hiding. Fingers crossed that she's breeding. It would be cool to have a successful hatch. I've never heard of anybody breeding them in captivity.
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post #22 of 32 (permalink) Old 03-27-2014, 11:57 PM
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That's awesome news! I believe fiddlers release their eggs into the sea, so they may require full strength seawater instead of brackish to hatch and develop.
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post #23 of 32 (permalink) Old 03-28-2014, 05:42 AM Thread Starter
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post #24 of 32 (permalink) Old 04-27-2014, 01:49 AM
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Sweet setup man! What's going on with the female? Any babies?
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post #25 of 32 (permalink) Old 04-27-2014, 06:36 AM Thread Starter
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No, no babies that I've noticed. I think she was molting. They have finally dug tunnels like I always heard about.
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post #26 of 32 (permalink) Old 05-21-2014, 08:50 PM Thread Starter
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post #27 of 32 (permalink) Old 05-21-2014, 09:41 PM
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You're right, they dig in the muddy area when they breed. Next time, instead of using sand, use some clay mud. That'd definitely help.
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post #28 of 32 (permalink) Old 05-22-2014, 04:12 AM Thread Starter
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They dig in the mud just to hang out. The female will spend days out of the water. She was carrying a ton of eggs. No clue if they hatched or anything. They hatch out of eggs into a planktonic stage and I'm not sure if they could survive in an aquarium setting. There's no way to protect a planktonic stage baby from filters.
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post #29 of 32 (permalink) Old 06-29-2014, 05:34 AM
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Seen people raising hermit crab zoeas to hermit crabs, maybe can try same way ?
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post #30 of 32 (permalink) Old 06-30-2014, 05:12 AM Thread Starter
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I was thinking about trying to harvest the eggs off her and raise them like baby brine shrimp
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