schooling corys

I have read that in the while when the are in schools, (100's -1000's of fish) two different types will cross paths and not one will get confused on what school is theres even if they have very similar patterns. I don't know how it works in the tank, but it seems to me that they should be kept in schools of the same type.
 
A few weeks ago, I ordered 5 C. melini and 5 C. julii from the LFS. Got 'em, put 'em in the tank and the next day all 5 melini were inseparable - swimming together, hanging out in the same spot on the bottom, together ALL the time. The "julii" were actually 3 different species (1 trilineatus, 2 punctatus, 2 ??) and pretty much ignored each other before dying off one by one. I'm now down to a trilineatus and a punctatus, which seem healthy and choose to hang out together most of the time. All 5 melini are still in great condition. I *think* the "julii" were stressed-out imports and that was the major cause of their demise, but it seems likely that having only a single conspecific for company could have been a contributing factor. Now I have to do it again, because I hate for my poor spotted corys to have only each other for company.
 
I have 1 albino, 2 pandas, 3 bronze, and 2 peppered cories in my 75G... they all school together well (sometimes kinda loose) but for the most part they stay together. It's quite a neat sight to see all the different patterns zooming about the tank. :)
 
I have had 5 spotted and 1 albino catfish for about a year now. The 5 sort of stay together but the albino is totally on his own.
 
my experience was pretty much like sunlar's. I bought 6 pandas from a breeder who threw in one albino that got in his net. They were all babies and even then the albino was pretty much on his own, so I had to buy him 2 buddies and now he's happy.
 
i have 5 albino cory cat(aenus). They DO NOT:

1) school
2) stay at the bottom
3) rarely scavenges

I have no idea what's wrong with my cory cats. All they do is swim REALLY fast across my 36" inch tank wall to wall and hit their heads on the endwall. Then they swim vertically up and down, then swim across again etc. They all do this by themselves, never seen them school at all or stay at the bottom

Ironically, all my fancy guppies are dedicated bottom scavengers, they would flip through every single gravel looking for food.

sigh what the heck is wrong with my fish...
 
gagaliya said:
i have 5 albino cory cat(aenus). They DO NOT:

1) school
2) stay at the bottom
3) rarely scavenges

I have no idea what's wrong with my cory cats. All they do is swim REALLY fast across my 36" inch tank wall to wall and hit their heads on the endwall. Then they swim vertically up and down, then swim across again etc. They all do this by themselves, never seen them school at all or stay at the bottom

Ironically, all my fancy guppies are dedicated bottom scavengers, they would flip through every single gravel looking for food.

sigh what the heck is wrong with my fish...
Click to expand...

One and an identity crisis and gave it to all the rest. Time to get a fish shirnk :joke:
 
gagaliya said:
sigh what the heck is wrong with my fish...
Click to expand...
How big are your cories and how long have they been in the tank? Younger fish or fish that are still settling into a new home will do that — my melinis did the full-tank dash constantly for the first couple weeks. Now they only do it every now and then. Usually one will instigate the behavior and then the whole group will join in. Aeneus seem to be less a tight-schooling fish and more a "enjoy being within sight of their own kind" fish. Also, it seems to me that many cory species live in very large (100-1000+ individuals) schools in the wild. Maybe aeneus need larger groups to exhibit true schooling behavior …
 
monkey_toes said:
How big are your cories and how long have they been in the tank? Younger fish or fish that are still settling into a new home will do that — my melinis did the full-tank dash constantly for the first couple weeks. Now they only do it every now and then. Usually one will instigate the behavior and then the whole group will join in. Aeneus seem to be less a tight-schooling fish and more a "enjoy being within sight of their own kind" fish. Also, it seems to me that many cory species live in very large (100-1000+ individuals) schools in the wild. Maybe aeneus need larger groups to exhibit true schooling behavior …
Click to expand...

thanks my corys have only been in the tank for 2 days, that must be why. Not that i dont enjoy watching them dash full speed across the tank, but it's like a mack truck doing 80 mph on the hightway. Dont want my guppies and other smaller fish become roadkill by accident. I will try to add a couple more to get the school to 8 and see what happens.
 
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