What’s the best fish trap?

Use this foam! I don't know if I could ever find anything that would come even close to working like this did... :) I will post a video of it working and catching fish and peppermints very soon..

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What dollar store did you get the bottle at?
Any Dollar store at all... AKA... "General Dollar Store" I checked Walmart and they don't have anything close. Take your phone with a picture of that jar with you and go to any dollar store..
 
Any Dollar store at all... AKA... "General Dollar Store" I checked Walmart and they don't have anything close. Take your phone with a picture of that jar with you and go to any dollar store..
I can confirm neither dollar tree nor dollar general had these jars in my area. However I was able to find something that worked similarly laying around. I want to say thank you!!! Because I based a design off of yours and successfully caught all my fish including two wrasse using this method. It took the second day for the wrasses and royal gramma to get used to it first.

Here’s my design. I used an old “giant baby bottle piggy bank”, the under the door slide on styrofoam, and an old cheap glass cleaning magnet.




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I drilled a hole in the bottle near the bottom so I can use a coral feeding syringe to put food into the hole to keep it inside the jar without it going everywhere. Then glued the styrofoam around the edge like you did and put the rubber band on till it dried. I then drilled a hole in the inside magnet and in the jar and zip tied the magnet to the jar. I glued the holes shut on the magnet so that no metals get into my water. Then I just put it in the tank sideways and used the outside algae scraper to hold it in place!! For the WRASSE the jar needed to be practically laying in the sand for them to explore.

A list of fish I caught within 24 hours:

Day 1 within 30 minutes or less:
A blue tang
2 clownfish
A neon cleaner goby
A flame angel
2 saltwater mollies
A fire goby

Day 2 in about 5 hours (they were hesitant to go in and I left the jar overnight for them to adjust):

A yellow fairy wrasse
A malnurus wrasse
A royal gramma

The only thing I didn’t catch is my mandarin… but he sees no reason to chase after food eventhough he does eat frozen.

But like you said this worked like a CHARM and floats up FAST and not a single fish realized they could have swam to the top as they’re too busy panicking. I caught every fish on the first try after they went in it.
 
I can confirm neither dollar tree nor dollar general had these jars in my area. However I was able to find something that worked similarly laying around. I want to say thank you!!! Because I based a design off of yours and successfully caught all my fish including two wrasse using this method. It took the second day for the wrasses and royal gramma to get used to it first.

Here’s my design. I used an old “giant baby bottle piggy bank”, the under the door slide on styrofoam, and an old cheap glass cleaning magnet.




IMG_2652.jpeg
IMG_2653.jpeg
IMG_2654.jpeg
IMG_2655.jpeg


I drilled a hole in the bottle near the bottom so I can use a coral feeding syringe to put food into the hole to keep it inside the jar without it going everywhere. Then glued the styrofoam around the edge like you did and put the rubber band on till it dried. I then drilled a hole in the inside magnet and in the jar and zip tied the magnet to the jar. I glued the holes shut on the magnet so that no metals get into my water. Then I just put it in the tank sideways and used the outside algae scraper to hold it in place!! For the WRASSE the jar needed to be practically laying in the sand for them to explore.

A list of fish I caught within 24 hours:

Day 1 within 30 minutes or less:
A blue tang
2 clownfish
A neon cleaner goby
A flame angel
2 saltwater mollies
A fire goby

Day 2 in about 5 hours (they were hesitant to go in and I left the jar overnight for them to adjust):

A yellow fairy wrasse
A malnurus wrasse
A royal gramma

The only thing I didn’t catch is my mandarin… but he sees no reason to chase after food eventhough he does eat frozen.

But like you said this worked like a CHARM and floats up FAST and not a single fish realized they could have swam to the top as they’re too busy panicking. I caught every fish on the first try after they went in it.
Get job... ! So many people could use this as I have stated... In a larger tank the jar can be pushed down with clean stick 6ft! There is no reason I can see that anyone wouldn't have one of these on hand ever!!!!. Good Job I mean that great job. You can catch and medicate any fish you want to, sell anything, or just move them
I can confirm neither dollar tree nor dollar general had these jars in my area. However I was able to find something that worked similarly laying around. I want to say thank you!!! Because I based a design off of yours and successfully caught all my fish including two wrasse using this method. It took the second day for the wrasses and royal gramma to get used to it first.

Here’s my design. I used an old “giant baby bottle piggy bank”, the under the door slide on styrofoam, and an old cheap glass cleaning magnet.




IMG_2652.jpeg
IMG_2653.jpeg
IMG_2654.jpeg
IMG_2655.jpeg


I drilled a hole in the bottle near the bottom so I can use a coral feeding syringe to put food into the hole to keep it inside the jar without it going everywhere. Then glued the styrofoam around the edge like you did and put the rubber band on till it dried. I then drilled a hole in the inside magnet and in the jar and zip tied the magnet to the jar. I glued the holes shut on the magnet so that no metals get into my water. Then I just put it in the tank sideways and used the outside algae scraper to hold it in place!! For the WRASSE the jar needed to be practically laying in the sand for them to explore.

A list of fish I caught within 24 hours:

Day 1 within 30 minutes or less:
A blue tang
2 clownfish
A neon cleaner goby
A flame angel
2 saltwater mollies
A fire goby

Day 2 in about 5 hours (they were hesitant to go in and I left the jar overnight for them to adjust):

A yellow fairy wrasse
A malnurus wrasse
A royal gramma

The only thing I didn’t catch is my mandarin… but he sees no reason to chase after food eventhough he does eat frozen.

But like you said this worked like a CHARM and floats up FAST and not a single fish realized they could have swam to the top as they’re too busy panicking. I caught every fish on the first try after they went in it.
to a serpent quarantine tank. I have wholesaled fish and corals for some 28 plus years and I can put ANY thing in my display tanks and then catch it in just mins for any consumer ever. And I have some 200lb's of live rock as well.... Good Job, reef on..!
 
Dollar Store Trap,
This works like no other way I have ever seen. I made my first one some 30 plus years ago. Stepped on my last one I had it for about 18 years. When I made one out of a pink plastic jar, they did not like the color I found out fast. So I made a new one, you to can catch any fish in no time at all. This is my total investment it is just shy of $13.24..! And that is if you don't have any of these items at all. There are two sizes of these jars for $1.24 each at the Dollar Store. I chose the smaller size it is perfect in any tank I have.

The way it works:
Place the jar with the magnet glued inside of it, and the foam on the top of the jar. You just lower the jar down in the tank, the open end with the foam horizonal with sand bed. Place the other outside magnet on a string, to the jar magnet they will stick together that will hold the jar in place (one magnet inside and one magnet outside on a string). I use up to 10 foot string. Put shrimp or clam into the inside jar.. And sit in your lounge chair and wait until the fish you want goes in the jar. And then pull the outside magnet on the string hard and fast, the jar opening will tip and float straight up in a second and float up to the top of the water FAST. Your fish or shrimp can NOT GET OUT.... There is no better way I have seen to both catch and seize any fish or shrimp of your choice.... Been doing this like I said for 30+ years and it works like no other... I just keep hearing about all these people with tanks that cant catch a fish. Trying for days and days at times. In 20 mins total max time I can get anyone of them. And I have some 300 lbs of live rock and corals everywhere! :) This one came out perfect, best one I have ever made to date. Just wanted to share this to all. Happy Reefing :)

The list:
Plastic Jar $1.24
Neodymium Magnets, I use Rubber coated. (a pair) E-Bay (Out of Texas) $3.00
Foam Door Draft Stopper (Ace, Lowes, Home Depot) $8.00
Super Glue or heat gun (Dollar Store) $1.00
String, Braided Fishing line, Rope... lol ?
Razor Knife or a razor blade ?
One Larger Rubber band ?

And just 20 minutes of your time.

The foam that I used is closed cell foam and there is a picture of what and how to get it. It works perfectly and bends fantastic very little effort if any..! Bottom Picture!

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You inspired me to make a trap. I think it has a lot of potential, but so far I’ve only caught a hermit crab :)
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Used a few different traps over the years — floating ones, DIY bottle traps, the works. They work, but the bait-and-wait part always felt like the weak link to me: some fish just won't take bait, especially if they're already stressed or territorial, and then you're stuck waiting days hoping they change their mind.

Full disclosure — I'm the founder of FITC Aquatics. We wrote up a comparison of catching methods that scores traps against a few alternatives on speed, effort and reliability — useful if you want to know when a trap is and isn't the right call before spending days on it. AquaCove is one of the options covered there too.

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