A 5 gallon should really only be used to keep Shrimp, Snails, Betta or as a Hospital Tank. I would recommend moving the fry that survive after birth into the 5 gallon as it will suit them.
Originally Posted by Sheldz
okay i have one 20 gallon tank, and the other is 5g, i think. The 20 gallon has been running for 2 years and the other 2 weeks, so i think they are cycled. and i have silver dollars and they eat the plants :D and the silver sailfin chasing the orange balloon.
This is what I saw as your stocking list, this is the root of that problem and many further issues that will occur in the tank:
1 Longtail Pleco - This Pelco is going to get over 12" and is going to be FAR too big for this tank (you need to move this fish or get a bigger tank)
1 Goby - Is this the tiny little goby that doesn't get bigger than an inch?
4 Guppy's, 3 Balloon Mollies They will reproduce like locus. Best to have 1 male to 2 female ratio.
1 Glowlight Tetra, 1 Neon Tetra, 4 Silver-Tipped Tetra, 4 Danios - These fish like to be in schools of at least 5 in order to be healthy (Per Species) My honest recommendation is to pick two of these species and have at least 6-8 of one species. This will assure health and happiness.
4 Black Widow Tetra - These should be in a group of at least 5-6. They tend to nip the fins of all fish in the tank. I would highly suggest getting rid of these as they will lower stress level for ALL your fish.
8 Mollies (how many males and females)? Best to have 1 male to 2 female ratio.
1 Kribensis - Do not add any more Cichlids as she/he will be aggressive.
Golden Apple Snail
I think that you should really work on your stocking just to kind of work out some of the aggression that is occurring. If you like Plecos look into the Bristlenose Pleco. They stay small at about 5" and would be able to stay in that tank. They like driftwood...actually need it because they eat it so keep that in mind. You can feed them Zuchini if you don't feel they are eating enough.
You will have no problem reproducing the Mollies and Guppies as that is what they do. The females can hold sperm in their system from month and give birth multiple times from one load. More importantly I think you should focus on the tetras and get it down to 2 species of them. Like getting rid of the black widows
The BEST option for you...is to get a bigger tank. To accommodate for that Pleco you'd have to at least get a 55 Gallon tank.