Posted 13 April 2014 - 09:56 PM
Posted 13 April 2014 - 10:24 PM
Shiners don't eat other full-grown fish, if that's what you mean by predator. They're all pretty aggressive in terms of trying to be the first to get to food though. Spotfin shiners come to mind in particular. Drop small garden worms in your tank and they'll never hit the bottom of the tank.
Depends on the shiner. If you mean shiner by any minnow. the larger chubs like creek chubs and fallfish will eagerly eat smaller fish.
As for minnow aggression, most minnows when with other minnows will chase each other trying to establish pecking order, then slow down the chasing a bit once established but never stop it. When they reach breeding condition they do get aggressive. But that depends on species, my western blacknose dace is almost always in breeding condition.
But when a more agressive species like a sunfish is added, minnows tend to school up tightly.
Posted 14 April 2014 - 07:43 AM
Posted 14 April 2014 - 09:17 AM
Posted 14 April 2014 - 09:27 AM
Keep in mind that in the confines of an aquarium, any fish that fits in another fish's mouth will almost invariably wind up there.
I assume you mean big fast-moving minnows that can coexist in a tank with predatory fish. Depending on the size of your "predators" try Nocomis chubs (bluehead, hornyhead, river chub), creek chub, striped shiner, common shiner, blacknose dace, spotfin shiner, steelcolor shiner ...
Posted 14 April 2014 - 10:34 AM
Posted 14 April 2014 - 07:12 PM
Creek Chubs are definite omnivores that eat fish absolutely.
Posted 26 August 2018 - 07:27 PM
Seems that my Western blacknose dace is quite aggressive. He's killed 2 other shiners and is incessantly chasing 2 central stone roller minnows. Are the WBND always this aggressive? However, he knows well enough to leave my 2 juvenile sunnies alone.
Posted 27 August 2018 - 10:04 PM
Not always, but some are. A bigger group of them (8+) might do better if you have enough space.
Hangin' on the Neuse
"Taxonomy is the diaper used to organize the mess of evolution into discrete packages" - M.Sandel
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