Chub and stoneroller in captivity
#2 Guest_BTDarters_*
Posted 28 April 2009 - 12:22 AM
Brian
#3 Guest_CATfishTONY_*
Posted 28 April 2009 - 05:36 AM
I had a hard time getting my stonerollers to eat.Depends on what type of chub, but in general, chubs that I've had in captivity do well and acclimate to tank life quite nicely. Stonerollers, too. The stonerollers I've kept generally "calm down" in captivity and lose their tubercles. I've not yet been able to bring them back into spawning condition.
Brian
but the creek chubs converted to any food they are eating machines.
#4 Guest_Drew_*
Posted 28 April 2009 - 09:42 AM
I also have a river chub now which is doing well. I had a bluehead chub but he decided to jump out of the tank.
#5 Guest_tricolor_*
Posted 28 April 2009 - 10:43 AM
So it sounds like stoneroller need grazing to do well in captivity?
#7
Posted 28 April 2009 - 12:47 PM
Sorry, for chub I mean the daughter of the moon. IIRC many years ago I've seen male bluehead chub at the aquarium at NC making nest, so I guess they can do well in cool tanks. Did someone here had talked about other Nocomis chub making nest in the home aquarium before? What change after spawning/breeding season is over in the home aquarium?
So it sounds like stoneroller need grazing to do well in captivity?
Well my nocomis appears to be the son of the moon, as he gets a bluehead and tubercules every year about this time (have some right now in fact). I highly recommend these as aquarium fish. Although he is easily 3 times the length and 5 times the mass of any other fish in the tank, he never eats darters or shiners... he does scare everyone occasionally with some extremely fast mostion or even breaking the surface of the water to get at a particularly interesting chunk of food). I have recently notices a minor change in teh gravel archetecture, but it does not appear too purposeful at this point... may be more a result of current and the fact that he scoups up some gravel when he sucks food off of the bottom, and then spits it out in a particular spot... he might change his building technique if there was a lady or two in the aquarium to entice... but that is sadely not the case.
Easy to feed, peaceful, interesting behaviour, colorful (see my avatar), big, bold... I could go on... love my chub!
#8 Guest_BTDarters_*
Posted 29 April 2009 - 02:41 AM
Brian
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#9 Guest_smbass_*
Posted 29 April 2009 - 10:40 PM
#11 Guest_Kanus_*
Posted 30 April 2009 - 12:44 PM
February. Fully tuberculate, yellowish fins, blue head, and he did indeed build a nest. That went on for about 2-3 weeks and he stopped maintaining his nest and the gravel redistributed a bit. It looked like his tubercles shrank (I was under the impression that they fell off completely?). After about two more weeks his tubercles became enlarged (someone please tell me if you know more about the tuberculation process, I could have imagined it) and he rebuilt his nest. Over the course of him being in there the temp has been between 72 in the winter to a high of 82 the other day. Ever since, though, he has been happily maintaining his nest and, oddly, sparring with a nuptial male Satinfin shiner I have with him.
Also, about 3 weeks ago I added a large gravid female chub from the same stream hoping to get some action going (I had just recieved some yellowfin shiners that looked about in spawning condition, was hoping to get them to spawn over the nest) So far he is still keeping his nest up but neither the female nor anyone else in the tank has gotten excited about it.
They really are cool fish, moreso than I had imagined. Back when I first put the male in, he actually grabbed a stem of anacharis, broke off about 3 inches of it, and swallowed it whole (which took him a few hours of swimming around with it. On the downside, I have seen him nail smaller fish now and then, and I think he may be responsible for my declining population of roanoke darters.
#12
Posted 30 April 2009 - 04:16 PM
Kanus - Have you actually see him hit a another fish? That would be odd to me, I have never seen that behaviour in any of my blueheads. They don't eat other fish as far as I know. But I assume that they would chase darters away from eating eggs. On the issue with the satinfin... normal nest cohabitators are things like dace and notropis shiners... Cyprinella are crevice spawners, so I wonder if they are getting too far down in the stones and making the chub uncomfortable? This could casue the sparing activity you are seeing... very interesting...
#13 Guest_Kanus_*
Posted 30 April 2009 - 04:29 PM
I haven't seen him actually catch a fish but I have seen him once or twice with a tail sticking out of his mouth.Kanus - Have you actually see him hit a another fish? That would be odd to me, I have never seen that behaviour in any of my blueheads. They don't eat other fish as far as I know. But I assume that they would chase darters away from eating eggs. On the issue with the satinfin... normal nest cohabitators are things like dace and notropis shiners... Cyprinella are crevice spawners, so I wonder if they are getting too far down in the stones and making the chub uncomfortable? This could casue the sparing activity you are seeing... very interesting...
As far as the Satinfin goes, the satinfin seems to be the aggressor in most instances, as the way I have it set up is there is a rockpile in front of a high flow maxi-jet mod, where the satinfin has been spawning off and on for the past six months. Directly behind that, within about 8 inches of his nesting site is where the chub decided to build his nest. I'm pretty sure the satinfin is just defending his usual ~1 foot radius of his nesting site, but while sparring, they both flare fins, arch bodies toward one another and swim in circles as if they were conspecifics, though I must admit, for being twice his size, the chub always swims away. I guess I wouldn't wanna take on a cyprinella either though.
#14 Guest_andyavram_*
Posted 01 May 2009 - 12:19 PM
Andy
#17
Posted 06 May 2009 - 04:01 PM
Thanks everyone. Sound like stoneroller in many case is not easy to keep, and none so far becomes tuberculated in the home aquarium.
For Blue head chub does thae red fin coloration of young southern ones disappear with age/size?
In my case / experience with individuals from around North GA and SC I would say that they do lose the orange fin coloration... but by that time you have a big bold brassy looking fish with a bright blue head... so whatta ya want for nothing? And I'm not really disagreeing with anyone at the 4-5 inch range wild caught fish ... I'm talking about 7-8 inches that started out as a 3 inch minnow (with orangish fins) and grew up in a tank over the last several years.
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