My laid-back African lungfish 2.5'

PYRU

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LFs don't have traditional teeth, per se. They're more like metal press shears. Check out a CAT scan of a LF head.

View attachment 1258786

My LF bites through 9" crayfish like they were warm butter. This species could, in all likelihood, take off a finger clean without you noticing at first. I've seen mine bite 6" shiners in half and the front half continued swimming (after a fashion).
I'm glad you posted this. I had no idea they had that kind of hardware
 
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thebiggerthebetter

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Update.

And just like that, in the span of two weeks, we lose both West Africans.

I've gone out for 2 hours and the 240 gal where the smaller one lived overfilled (for the first time in years), cutting off lungfish's access to air. My wife came home before me and saw this and the fish swimming frantically around looking for air but it was too late. She opened a lid for the lung but the fish couldn't find it. Nor has it figured out that it could easily lift a lid off the tank and take a breath. The lids are glass but two portions are acrylic and are very light, easy to lift. It could have lifted the glass portions too as the fish was 32" while the tank depth was 2', not counting big 1' tall concrete blocks in the tank. The lids had no weights on them. Anyhow, I am dumb, the fish is dumb and now it is dead.

That was the one we bought from snookn21 in Aug 2015 at ~5", which makes it about 3.5 years. It reached 32" and has always been a super duper feeder, slow but would eat anything until it finished every last bit.

The blood in the mouth is self-inflicted when it was looking for air.

The other, from Gerber's in Dayton, OH, has stopped feeding 2 weeks ago abruptly, in the last two days got swollen a lot and passed. Both symptoms are consistent with those of many other fish we have been losing for the last half a year and the suspected killer is a columnaris strain, one the internal-acting ones.

It's age is not known, suspected about 4-5 years. It reached 39".


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The bigger one from Gerber's:


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thebiggerthebetter

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Consistent with the death of the larger 39" lungfish, we lost our last lungfish that inhabited the same water system (shared through common sump). Must be the same bacterial infection, I presume.

The marbled aethiopicus lung was purchased from Wes a year or so ago at 8" and reached 14" to date:


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butchie

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I have not been hurt by the bite of a large African....Not to say it didnt hurt like hell. Just didnt cause any permanent damage LOL. They are super fast when they strike, and the bite is a crushing pain. They will typically get ahold of your whole finger and they let go when they want to. I just got some small SAL's for my daughter, we will see if they are any less agressive.

Your fish is nice looking. I like when they have all of their "arms" intact. Mine had lost 2 in a fight with another
 

butchie

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OMG I just read through the whole post. I am so sorry. It is so hard to lose big fish. My original african died after about 2 decades...IDK why, his name was Butchie, hence my screen name. If it is any consolation I never considered that about lids, and I will keep my current lungies lid less. They are dumb as rocks. I would have never predicted this could have killed them
 
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