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Old 04-26-2008, 11:25 AM   #1
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Feeding an Open Brain Coral

I have an open brain and have been target feeding it Krill. Did't know to chop up the food. I have been mostly feeding them the whole krill. How small should I chop it up? I find it hard to feed as it is. Is there an easier way?

Another question. So when the brain is deflated looking it is unhappy? Could it be because the chunks I am giving him are to big?

I'm just loving this place and learning so much!
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Betsy
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Old 04-26-2008, 11:40 AM   #2
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The open brain is photosynthetic and requires no direct feeding, but an occasional feeding of shrimp or other meaty food once or twice a month is recommended.

When I target feed I use reconstituted freez-dried mysis shrimp. They are pretty small. I use a turkey baster or a left over syringe from a test kit. If feeding krill or cocktail shrimp I would mince it rather fine.
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Old 04-26-2008, 12:06 PM   #3
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I`ve had my brain corals for several yrs and have never fed them. I`m sure they probably get something from the water column but I do not target feed. As Cmor said they get what they need from the lighting.
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Old 05-03-2008, 10:51 AM   #4
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As with all of my LPS's, I feed my open brain coral 1-2 times a week, and it readily accepts frozen mysis and whole krill (and would probably take small silversides if I provided it).
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Old 05-03-2008, 03:02 PM   #5
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Thanks so much,

If the open brain doesn't have it's tentacles out does that mean it's not hungry?

Do you try to feed it even then and how?

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Old 05-03-2008, 03:12 PM   #6
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As I mentioned I have never fed mine, It`s really not necessary IMO. Here is mine from 6 yrs ago and what it looks like now and my purple brain. They get what they need from the lighting and water column. IME

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Old 05-03-2008, 03:19 PM   #7
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Feeding tentacles expose themselves when food is sensed and often throughout the night. These corals do not solely rely upon photosynthesis and take up nutrients from the water column as well. They can be fed small meat items such as mysis, krill, roe, etc. about once or twice weekly.
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Old 05-03-2008, 03:49 PM   #8
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Quote:
Originally Posted by Betsy View Post
If the open brain doesn't have it's tentacles out does that mean it's not hungry? Do you try to feed it even then and how?
As Innovator stated, the tentacles extend when food is sensed or at night (almost like clock-work, mine extend their feeder tentacles within 10min of the lights going out). I feed mine exclusively after dark. I've even seen them capture small tiny nocturnal shrimp in my tank which were attracted to the beam of the flashlight.

From my observation, while they can get by and thrive on light alone, they seem to put regular effort into prey capture (extending feeder tentacles nightly) perhaps as a survival mechanism to counteract the effects of overcast or cloudy days in the wild and avoiding a nutrient deficit?
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