Fish dissappearing? (Yoyo loaches or BN plec culprits?)

[JuliaAndFish co.]

I have lost another guppy and another betta with no trace! I have noticed another betta (ny last one ) acting rather strange also, slightly lethargic and hides a lot, but I cant quite make out what the issue is

 

[seangee]

Another betta?
In a previous post you said you had one. These are not community fish (assuming b.splendens). If the culprit is indeed a fish that is where I would look first.

 

[TwoTankAmin]

I have kept many 100s of plecos. I started with Ancistrus and them moved on to mostly Hypancistrus. I have never seen any of them them attack other fish. I have seen them fight each other for dominance and territory though.

Many years agp Ihad a few YO To loaches in my 45 gal. plkanted comminity. I also had a small group of DD black angels O was growing out to try got a pair. The YO Yo begab to harass the angels. The Yo Yos would swim up along side of the angels and nip at the area around the angel's gill flaps. I had to give away the Yo Yos. So they get my vote here as the potential trouble makers rather than the bristlenose.

 

[Lcc86]

OP how many bettas did you have in this tank? If you've set up a sorority they may have turned on each other and/or some of the guppies potentially.

What exactly do you currently have in the tank aside from the yoyo's and the pleco?

 

[JuliaAndFish co.]

I had one betta originally but I got given another one and had no other tank to put it in, i have a swordtail, 2 male guppies now, 3 rosy tetras, 12 ish neons, the loaches, the pleco and a small apistogramma. The tank is well planted and had plenty hiding spots so I thought that if any violence happens they have a place to escape, but I have never seen any violence between the bettas or the guppies or indeed any other fish, they're just there one day and then dissappear another

 

[JuliaAndFish co.]

Anyway I have but the betta in one of those breeding boxes you can get for guppy fry, and ill be looking closely to see if any other violence is happening

 

[JuliaAndFish co.]

The betta has died this morning