I really like the guppy, and am kind-of undecided about the danios… The life expectancy of zebra danios is 3 to 4 years but if you take proper care of them, you can expect them to last longer. I have a 20 gallon tank. When I added this really cool male fancy guppy today, they all started biting his fins and chasing him around. I had a problem with my zebra danio's when I added colourful long finned guppies to my tank, ALL the guppies … BottomDweller. Zebra danios are a peaceful fish that get along with most tankmates, however, they will nip fins of some species. May 23, 2017. Having 8-12 WCMM or danios would be better than having a smaller school of each. We were, of course told by the pet store to cycle with 4 danios (1 is a Zebra, 1 is a Leopard, and I'm not sure about the other two. Is this a 20 long or a 20 tall? Ive been investigating what i did wrong, ive seen that 1 zebra danios keeps on chasing other neons and even nipping. If not, will a few male guppies be compatible with 7 zebra danios. May 23, 2017. Conclusion Zebra danios were given the name due to the stripes they have on their body. When I first started my 10 gallon a while ago, the person at my petstore pushed 3 zebra danios on me as well. The behavior is more noticible in small groups or single specimens of danios. I then went to Pet@Home and get 3 guppies and 2 cardinal tetras, 1 zebra danio plus 2 more shrimps about more than 2 weeks ago. Apart from the lovely guppy tails, both zebra danios and guppies are torpedo-shaped, which doesn’t break up the viewing (the only downside I have found keeping them together). Member. They'll spend most of their time chasing each other. Hi, my son and I have set up his first aquarium, a 20 gallon long. The fish are all ok, I was worried about cardinal tetras and guppies due to their size but they are all ok. ... it's actually the new smaller one chasing the big one going through plants and rocks etc. 6 WCMM, 7 danios and 1 or 2 guppies should be ok. Maybe a little overstocked. I have two zebra danio's and they always chasing each other, I used to have four (2 died) and they all used to follow and chase each other. Yes now it makes more sense to why they are chasing.I wonder if my parents will understand? The goal here was a colorful & lively aquarium. They are plain with a row of blue dots across the top of their bodies). Now, with black skirt tetras you have a different body shape, they don’t get too large (2-1/2 inches, just a little longer than the zebras) but they are round. Any fish with long flowing fins, such as angelfish, bettas, and guppies, are potential targets of the active zebra danio. So far they have just been chasing her all around but if it dosen't stop soon i … They are nipping because they hate being cooped up in such a small tank. This is a 26 gallon bow front tank. With a group of 8, I wouldn't worry about it. I realized the mistake of cycling with fish, but manages to keep them all alive with religious water changes. The same type of fin nipping behavior is found in many of the other barb species. These are quite small in size and look quite like guppies but are different. I have 2 zebra danios that have recently taking to picking on one of my female guppies... the guppy is new to the tank but the danios leave all the other ones alone. Twelve fish so far and approaching capacity. They need a minimum of 20 gallons, with a 20-long tank being preferred, as it gives them more swim room. Good potential tankmates may include barbs, corydoras catfish, similar-sized gouramis, loaches, and swordtails. i wonder if water was the problem or zebra danios was the reason or both.. do zebra danios even attack guppies the chasing zebra seems twice the size of … I think your pet store has misled you about zebra danio care requirements.