shoaling vs schooling

  1. EmptyH Initiate Member

    This may be a dumb question, but I am new to this so please bear with me.

    Is there a difference between shoaling and schooling fish? The terms seem to be used interchangeably but but some sites seem to make a point of saying fish 'A' is a shoaling fish and fish 'B' is a schooling fish.

    Thanks

    EmptyH
     
  2. joe Member Member

    I'm not sure either, i was wondering about that. good question ;)
     

  3. Isabella Fishlore VIP Member

    I am not sure if I am right on this one, but here is my response. Both shoaling and schooling fish are fish that swim in groups and should always be kept in larger groups in order to do well. Fish live in groups to avoid being eaten by predators. For example, when a predator is nearby, when it sees a large group of small fish, it may actually mistake the group of fish for one larger fish and thereby it will leave them alone.This is the technique the small fish use to survive in the environment.

    A shoaling fish is a fish that stays close to its group but it does not align its body with the bodies of other fish in the group as they all swim. A shooling fish is the one that will align its body position to that of the entire group. I have 12 neon tetras and I don't see them schooling, so I suppose they're shoaling fish. A large group of schooling fish will look spectacular given lots of space and as they all swim in exactly the same direction and with the same speed, etc ... as if they all were clones of each other, lol.
     
  4. EmptyH Initiate Member

    Cool thanks. I guess that explains my 5 Tiger Barbs. They really enjoy hanging out with each other but they also spend time apart or in groups of two or three playing "tag", they must be shoaling fish.

    thanks
     

  5. dahly Member Member

    From: http://badmanstropicalfish.com/articles/article27.html

    "Schooling and shoaling fish
    Sometimes, one fish truly is not enough. These are my favorite fish, and my down-falling.
    I will loosely define schooling as fish who stick pretty closely together most of the time. Schoaling is the fish who need some friends, but its more a social thing. Its a little easier to define by sorting fish into the groups. (You will also find that everyone has their own definitions of schooling and schoaling)
    I would consider tetras, cories, and barbs, rainbows as schooling, and many loaches, cories, and some cichlids are schoalers. Schooling fish MUST be kept in large groups. Minimum is 6, better is 10+, best is 24+.
    Schoalers need at least one or 2 friends of the same kind.
    I'm going to use my good friends, the clown loaches and cardinal tetras for examples. By my definition, Clown Loaches are schoalers. I have 9, which makes for a decent school of anything. However, these guys will split apart into groups. The only time I see them all in the same place is at dinner time. Cardinal tetras are schoolers. When relaxed, they will spread out throughout the tank, but every now and then, they have to do a head count, and they all amass and circle the tank, leaving out no one. They will lurk in the plants together, rarely splitting up. I only noticed splits when I had a group of 23 green neons and 11 cardinals in a 125 gallon tank. Even then, a group of merely 3 was unthinkable. When one fish split off from the pack and started exploring, the entire group started streaming after them.
    This will also bring us to another issue within this area. With shoalers, it is easier to get a larger variety of similar species. But when it comes down to schooling fish, I highly recommend minimizing the different kinds, unless you can find out if those tetras are accustomed to seeing each other in the wild.. a true biotope.
    While its desirable to have 2 each of tetras A through Z, it really isn't fair to them. And it isn't fair to you either. Some will school together, (more so those with similar body structures), but you will never see anything so impressive as a true school. There also is increased stress with the numerous kinds. You will find that keeping a single kind will allow for more fish than keeping mixed. For this reason, I do not advise more than one type of tetra in a tank less than 4 feet. Perhaps in a 3ft, you might get away with 2 kinds (smaller species).
    Shoalers... Don't plan on being able to place as many in a tank as the schoolers. While you could have 24 small tetras in a 20L, you don't want to stuff a ton of botias or schisturas, they might get a spine in their eye and decide to take out their tankmates. Not usually the case, but shoaling fish can be slightly territorial as well as requiring friends to spend the night with. I placed cories in both sections, because I'm still at a bit of a loss with these guys. I've only kept pigmy cories. Those guys are definitely schoolers, and anything less than 10 isn't proper. The regular cories, I have not kept, but everyone seems to find a group of 3 enough, which means they don't fit in my schooling definition. Personally, I'd want to keep them all in groups of 6.. but that's just me. "
     
  6. 0morrokh Fishlore VIP Member

    Isabella, good definition, I agree totally with you. Dahly, yours was good too...although I must say that shoalers really need 6+ friends, with a few exceptions where 3 is enough. Schooling is mostly seen in small marine fish, who literally are exact copies of each other, move exactly the same way at exactly the same time, and always face exactly the same direction. Tetras do shoal quite tightly, and benefit from large groups, but I'm not sure they're quite to the point of schooling. Just my opinion, though.
     
  7. dahly Member Member

    My whole post was from Badman's. Wasn't my thoughts 'cause I dunno! ::)