Catching a fish in reef tank

[Alexttk]

Hi... like to have some advice here on methods to catch fish within reef tank full of rock. Am trying to remove a damsel that pick on coral but with no success. Once the fishes saw the net, they went to hide even with food around.

 

 

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[alvarogr]

Fish isolation box w a side opening door and favorite food


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[Alexttk]

Fish isolation box w a side opening door and favorite food


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How does it look like? Where can I get one?


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[matthewreefer]

google isolation box you'll be able to find. almost any lfs will have one.

[noobhobbyist]

Is your damsel big? I DIY by cutting a mineral water bottle half and threw the top away, poke some holes at the bottom and put some small stones inside as weight.

Attached a string to the top part of the bottle, leave it inside tank for a while so that they get used to it.

After that drop some food into the bottle, once they swim in or close to the opening I just pull the bottle up with the string.

The holes will create a bit of a suction downwards when u pull up so the fish will end up in the bottle lol.


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[Alexttk]

Thank you! Will try that.


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[domvonn]

Isolation box works like a charm for me .
Trapped my mystery wrasse that way .


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[Alexttk]

Isolation box works like a charm for me .
Trapped my mystery wrasse that way .


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Using the same method as the bottle?
Have diy a fish trap, the damsel is too caution and quick for the trap. See attached video




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[Alexttk]

Ops... don’t know how to attach video.


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[RaFFy]

Is your damsel big? I DIY by cutting a mineral water bottle half and threw the top away, poke some holes at the bottom and put some small stones inside as weight.

Attached a string to the top part of the bottle, leave it inside tank for a while so that they get used to it.

After that drop some food into the bottle, once they swim in or close to the opening I just pull the bottle up with the string.

The holes will create a bit of a suction downwards when u pull up so the fish will end up in the bottle lol.


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Did it work for you?


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[domvonn]

Using the same method as the bottle?
Have diy a fish trap, the damsel is too caution and quick for the trap. See attached video




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Bottle very hard lol
I use iso box.
Let the fish swim in and out freely .
Put fish food inside for 2-3 days .
Introduce trap door .
Put fish food let them swim in, then u drop trap door .


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[noobhobbyist]

Did it work for you?


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Yes bro but for a small blue damsel. Didn’t have my isolation box and desperate to get it out lol.

Think I left bottle in tank for 1 hour first then caught it in 5 mins.


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[Alexttk]

Yes, the bottle (with bottom holes) string method works when fishes chases food into bottle.



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[Alexttk]

DIY, bottle with side trap door works too.



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[Alexttk]

Crown fish, chromis, rabbit fish all went in... except for black white strip damsel which I wanted to remove.


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