Shrimps eating each other - The Planted Tank Forum
 
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post #1 of 12 (permalink) Old 12-04-2013, 04:07 AM Thread Starter
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Shrimps eating each other

So today i watched 4 of my cherries gang up on one cherry and ate him. Why does this happen? They were perfectly fine and they ganged up on that shrimp. Thats my first shrimp death in a month.
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post #2 of 12 (permalink) Old 12-04-2013, 04:43 AM
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Shrimps are scavengers, they will eat dead shrimp as well. check your water parameters to see what caused the shrimp to die.

Last edited by shrimpo; 12-05-2013 at 12:54 AM. Reason: Typo
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post #3 of 12 (permalink) Old 12-04-2013, 06:45 AM
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What he said. I highly doubt they ate a perfectly healthy shrimp. Either it was dead or almost dead enough to seem like food. Shrimp don't care what they eat. If its there and edible they'll eat it.


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post #4 of 12 (permalink) Old 12-04-2013, 01:46 PM
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Well, to be honest, there have been reports of shrimp attacks when there hasn't been enough protein in the diet. Usually occuring after molting.


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My thinking has been invert-ed!

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post #5 of 12 (permalink) Old 12-04-2013, 02:17 PM
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Maybe consider feeding the tanks more. adapting feeding habits in higher population tanks are important.

The quality of foods are also important.


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post #6 of 12 (permalink) Old 12-04-2013, 02:49 PM Thread Starter
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I feed these guys everyday. Algae wafers. They swarm over it everytime.. The shrimp was alive when it was attacked i was looking at my tank. N i see 4 of them jump right on him when he was on my moss. I think my shrimp formed a gang in my tank
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post #7 of 12 (permalink) Old 12-04-2013, 03:14 PM
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Could have also been a female that had just molted...sometimes the boys get a little overzealous wanting to breed and instead injure the female then eat her.

Feeding an algae wafer daily isn't the best diet....that's too much protein...which can cause molting problems, which can lead to shrimp too weakened to get away after molting thus resulting in being a snack. Vary the diet and back off those algae wafers


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post #8 of 12 (permalink) Old 12-04-2013, 03:42 PM
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Lots of fillers in algae waffers. LIke i said, quality foods may be worth considering...


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post #9 of 12 (permalink) Old 12-04-2013, 07:02 PM
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Wish you took some pictures/video of this since you were WATCHING at the time this happened.
  • What size tank did this act of cannibalism take place in?
  • How many shrimp inhabit this tank?
  • What brand of algae wafers are you feeding?
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post #10 of 12 (permalink) Old 12-04-2013, 11:02 PM Thread Starter
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Now i know. I have at least 100 shrimp . Happened in a 10g and it was a male cherry that got attacked. Almost clear male. I feed them Hikari tropical algae wafers.
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post #11 of 12 (permalink) Old 12-05-2013, 12:25 AM
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I would be happy if my shrimp formed a gang that culled clear coloured shrimp for me...


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You mossn't be so rude!!
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post #12 of 12 (permalink) Old 12-05-2013, 12:53 AM
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Hikari algae wafers are mostly meat. I don't know why they killed another shrimp, but they're getting more than enough protein if you feed them algae wafers every day.

Most people don't know that algae wafers typically have less than 1 percent algae.
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