Random aquarium/fish facts

[MultipleTankSyndrome]

Rainbow sharks are mean…but I’d still bet on the mbuna in a fight. Pound for pound one of the most dangerous aquarium fish. Even my kribs (peaceful) beat the shark.

While it's not technically impossible for mbuna to outdo the aquarium sharks for aggression (not even impossible for kribensis, as you yourself point out), I have heard of the opposite happening enough to be of the belief that the majority of the times they're mixed, the sharks will have upper hand (or fin?) over the mbuna.
Just google 'red tail shark with african cichlids' or 'rainbow shark with african cichlids' and you'll see. The vast majority of the time it's the sharks bullying the cichlids, in the same relentless fashion they bully their own species or anything that looks even remotely like their own species.

This makes rainbow and red tail sharks very unique among community fish. They don't care about neon tetras but will harass mean mbunas like crazy, which isn't something you can say for many others.

Didn’t know about the loaches! That’s cool!

Definitely! Loaches Online even made one for the color of the Burmese loach, and they also have some good yoyo pics.

Botia kubotai - Development of Markings During Growth — Loaches Online

A comparison of two different individuals of this species as they grew.

www.loaches.com

"Yoyo" Loach (Botia almorhae) — Loaches Online

www.loaches.com

Can hardly wait to track these when I get mine.

 

[Deadeye]

While it's not technically impossible for mbuna to outdo the aquarium sharks for aggression (not even impossible for kribensis, as you yourself point out), I have heard of the opposite happening enough to be of the belief that the majority of the times they're mixed, the sharks will have upper hand (or fin?) over the mbuna.
Just google 'red tail shark with african cichlids' or 'rainbow shark with african cichlids' and you'll see. The vast majority of the time it's the sharks bullying the cichlids, in the same relentless fashion they bully their own species or anything that looks even remotely like their own species.

This makes rainbow and red tail sharks very unique among community fish. They don't care about neon tetras but will harass mean mbunas like crazy, which isn't something you can say for many others.

Probably size dependent. I’ve researched the mix, and what I came to is that with my mbunas already being full grown, it wouldn’t be a contest who would win. If the shark has the size advantage it will bully them, but a big mbuna in action is just crazy. The sharks are territorial so schooling fish don’t really bother them, only things that get in the way do.

 

[eon aquatics]

the silver tetra is sometimes called a "silver dollar tetra" but is in fact a tetra and not a silver dollar

Ctenobrycon spilurus - Wikipedia

en.wikipedia.org

 

[Deadeye]

the silver tetra is sometimes called a "silver dollar tetra" but is in fact a tetra and not a silver dollar

Ctenobrycon spilurus - Wikipedia

en.wikipedia.org

I never could tell if they were their own thing or just another name for silver dollars! Interesting!

Edit:
Just looked up picture using the scientific name, that gives results that look much different.

 

[eon aquatics]

i really like this thread
who has more random facts?

 

[MultipleTankSyndrome]

i really like this thread
who has more random facts?

I do!

Bagrids and pimelodids are fairly closely related (both are pretty close within Bagroidea). That's probably why they parallel each other so much (eg: Asian and South American red tail catfish, Indian and South American shovelnose catfish, etc).
And this is honestly fortunate for me. I quite like the the looks of many giant tankbuster bagrids that I can't house, but my pictus catfish Gray approximates their look very nicely.

 

[nzeng1111]

i really like this thread
who has more random facts?

Many subdominant male fish pretend to be female to avoid the wrath of the dominant male.

 

[Caveden]

Did you know Fish have gills?

 

[eon aquatics]

piranhas shoal in groups of 20 or more

 

[Deadeye]

piranhas shoal in groups of 20 or more

Just pygos though!
Try putting serras in a school and you’ve got more aggression than 2 male dovii in a 55 gallon.