corrosionjerry Posted February 21, 2008 Report Share Posted February 21, 2008 I tried to catch some fry in my African tank with a fish trap made from a 1 litre bottle and a string around the spout... I put in some NLS wafer and punctured a few small holes in the bottom of the bottle.... its been on the tank bottom sitting horizontal for a day now and I still have seen nothing go inside it... any suggestions... I really do not want to tear apart my tank setup to get these fry out of there.... Quote Link to comment Share on other sites More sharing options...
Frank Posted February 21, 2008 Report Share Posted February 21, 2008 Might as while get at it Jerry and tear the tank down. Best way I konw unless they are BN. What kind of fry?? Quote Link to comment Share on other sites More sharing options...
Vallisneria Posted February 21, 2008 Report Share Posted February 21, 2008 I have tried the pop bottle trap but ended up only catching 2 fry after 3 days of trying. Unfortunately the only way to catch fry in a rock filled tank is to remove the rocks. How big are the fry? IN my 90g, when I try to catch fish I remove the rocks from one side of the tank. Then use a divider. I use nets/ my hands to herd/scare the fish from the rock side into the empty side. Its much easier to catch the fish using the divider. Once I spent 45mins trying to net some fish in the tank full of rocks. After 45mins of not coming close to catching anything, I gave up and did the method mentioned above. After 10mins I had caught all the fish I needed. Quote Link to comment Share on other sites More sharing options...
African_Fever Posted February 21, 2008 Report Share Posted February 21, 2008 Have you tried catching them at night yet? Quote Link to comment Share on other sites More sharing options...
Northranger Posted February 21, 2008 Report Share Posted February 21, 2008 If you are catching them at night I understand using red light in otherwise total darkness works best...comments from others? Quote Link to comment Share on other sites More sharing options...
corrosionjerry Posted February 21, 2008 Author Report Share Posted February 21, 2008 Might as while get at it Jerry and tear the tank down. Best way I konw unless they are BN. What kind of fry?? Electric Yellow Fry and they are about 1/2 - 1 inch in length.... I did leave the trap in overnight and still have nothing in it... Looks like I have to tear down the tank! That sucks as there is a lot of rockwork in there It will be interesting even after the rock work is out of the tank with how the big fish in tank act when I go fishing with a net.... hopefuly they dont decide to try and fly! I wll try to partition tank if I can and use a large net.... Quote Link to comment Share on other sites More sharing options...
Qattarra Posted February 21, 2008 Report Share Posted February 21, 2008 I just finished doing just that. It's just as well as you can vacuum up the detrius that has built up under the mountain. I needed to catch one of the cyans to bring for a fellow member on Sunday. I tried catching them an hour after dark before , twice , was completely unsuccessful. So yes, yesterday the rocks came out, the bottom got vacuumed and the glass cleaned. Not to mention, the water had to be down at 50% , the net very large and the action slow, but no one got freaked and I caught my limit . Quote Link to comment Share on other sites More sharing options...
patrick Posted February 21, 2008 Report Share Posted February 21, 2008 You could try with a siphon and flashlight at night. Don't aim the flashlight directly on the fish, point the flashlight at the floor just so that you get enough light to see inside the tank, and then suck up the little buggers. Quote Link to comment Share on other sites More sharing options...
Pier Pressure Posted February 25, 2008 Report Share Posted February 25, 2008 Yes we have used the siphoning method with great results. Have pulled whole batches of fry out of a 150 gallon tank, and that includes demasoni babies, which are quite small. We just used a siphoning hose and siphoned them into a five gallon pail. Worked awesome. The best time to get them is when they are still really young and hanging out in a sort of "ball" formation. Quote Link to comment Share on other sites More sharing options...
corrosionjerry Posted March 1, 2008 Author Report Share Posted March 1, 2008 I just finished doing just that. It's just as well as you can vacuum up the detrius that has built up under the mountain. I needed to catch one of the cyans to bring for a fellow member on Sunday. I tried catching them an hour after dark before , twice , was completely unsuccessful. So yes, yesterday the rocks came out, the bottom got vacuumed and the glass cleaned. Not to mention, the water had to be down at 50% , the net very large and the action slow, but no one got freaked and I caught my limit . Tearing down the tank turned out to be a good idea... I caught the fish quickly once 50% of the water was out and I removed all the rock work and did a total vac and cleanup... and redesigned the rock work for a different look... even the fish seem to like the new suroundings.... next time I will not hesitate to do this as the fish trap was a waste of time in my opinion... Quote Link to comment Share on other sites More sharing options...
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