Schooling Fish Suitable for Angels
I understand that some "schooling fish" form loose schools while others form a more tight,coherent group. In a very large planted aquarium >400 gal, what fish would most likely form the tightest schools if the number of fish in the school was 20 to 30? The shooling fish would necessarily need to be compatible with angels.
Is there a size limit as far as the individual fish for this school that you want in this *tight* shoal? I have 20 Cardinals in my Discus tank and they are always -thisclose-
In a 400gl tank a shoal 20 to 30 Cardinals may not look that impressive but in my 100 it looks great.
400 gallons is a HUGE tank. :shock:
Same as Aunt Kymmie said, I personally have a group of 10 Cardinal Tetras and they stay in pretty tight nit groups. Now as far as compatibility with angels I guess that would depend on the species of angel you have. According to the fish profiles on this site “second tab from the left on the blue bar at the top” Scalare Angels live in pretty close water parameters as cardinal tetras. It does say that they are not compatible with smaller tetras but cardinals can grow to up to 2 inches so I wouldn’t worry about it too much. Especially in something as big as a 400 gal, if the Angels decide to snack on the Cardinals as long as you have enough stuff in the aquarium for the Cardinals to retreat to then they should be fine.
Columbian Tetra's could work in my view. They get too large to become snacks ,and travel together for the most part.
Have kept cardinals with Discus and Angelfish, and depending on particular group of Discus or Angelfish,they may or may not become snacks once the larger fish reach adult size.
Rummynose have always been my favorite and school nicely. A huge school of them would look stunning in a large planted tank.
Schooling Fish wi Angels n Large Tank
Great ideas! What do you think of Harl Rasboas? And a school of Cory's?
"Schooling" is something freshwater fish technically don't do, comparable to marine fish. "Shoaling" is perhaps a better description, though for most of us the two words probably mean much the same. A shoaling fish--which by the way angels absolutely are, as are discus--means the fish needs a group of its own species to be free of additional stress. The group obviously brings safety, at least to the fish's mind, but many species also establish an interaction within the group that can vary from species to species in its components. Angels set up a pecking order, and having at least 5 of them will ensure no individual is likely to be picked on to the extent of health problems and death.
To the smaller shoaling fish; few will swim together as a group (one difference from marine schooling fish). But there are a few that are fairly consistent at swimming together. Rasbora almost always remain in a swimming group. Some of the danio and barbs do from time to time but no where as consistently as rasbora. Among the characins, the best is probably the Rummynose, all three species. Cardinal tetra also do, but less often. In their native habitat, cardinals have been observed remaining in groups of 5-6 closely within larger groups of hundreds if the water is vegetated; in more open water they remain in much larger groups of hundreds. In the aquarium my experience has been that they remain fairly close, though their swimming is significantly less active than say rummys so the latter are more "obvious" when swimming. The false or green neon, Paracheirodon simulans, also is fairly good at remaining in a group. And many of the pencilfish do, and certainly the hatchetfish. Other tetra species vary their grouping, though they tend to remain fairly close, within "eye contact." Not all of these wil last with angels though.
As for companions to angels, cardinals are a risk. 1077 correctly noted that sometimes this works and sometimes not. It is certain that the risk is there. At 6 inches body length, angels are expert predators, and the "torpedo" shaped tetra often fall prey. Tetra that are more disk-shaped fare much better, and some of the best companions are the species in the Rosy Tetra clade of Hyphessobrycon or the similarly-shaped Hemigrammus species. Several of these are included in our profiles, and it mentions their suitability to angel habitats. Rasbora, if not introduced small to grown angels, might work. Cetainly corys are fine, indeed most substrate fish will be left alone, except during spawning.
While the profiles may not reccomend it I have a small school(shoal) of "serpae tetras" and a small scool of what were formerly known as Pristella ridelli and a group of corys in a 30g long with 3 good sized angels. Two of the angels are going through the jaw locking prespawn display at preasent. I have not had any problems with this mix and have kept angels with other similar sized tetras in the past without any signifacant tragedies. The angels don't usually go out of thier way to antaganize the other fish especially if there is sufficient space for all concerned.
It would be fun to have a 400g with large schools(shoals) of some of the fish mentioned in this thread. Post some pictures when you get your tank up and running Cpt NAPA
angels with discus?
Are discus suitable to be kept with angels? I'm wondering about the water temp mostly.
Kym, would linking a political blog type thing with this site be appropriate?
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