Omega 3 overdosed catfish?

This catfish is caught by my friend this evening.We don't know what is cause that make it happened to the fish.Other friend touch that 'tumor' like thing to feel it.It's soft.
Can anybody here explain this 'paranormal'?

Fishing advices from the 'old timer'.

We were keep asking around about the fish called 'Siong' by the locals.The chinese call 'si hong',some call it song hu.But what we are sure,it's a kind of 'carp' fish.Their diet is mostly on water grass and algae.But in the wild,we never know.
Nobody really sure what bait can you use to lure this fish.But this 'old timer' from a fishing shop told us,you cannot catch this fish by fishing!It won't take any bait.The only way you can get it is by shooting gun that people use to shoot wild boar!Even fishing net will break,he experienced it once.
But,we didn't give up.So,what we did,we made a grass juice,with blender.And mix it with flour and fish pellet.Well,the theory is,this fish eat grass.So the smell of the clorophil from the grass will attrack it.So,officially,we created a new kind of bait,after our first creation 'The Banana'.Now the 'Grass Mix'.The only different is,'The Banana' caught a lot of fish,and this 'Grass Mix'.....none so far.Ermmmm.....

This picture got nothing to do with the topic.Its taken in Sabah by a friend.

The canterpillar that the locals believed it can turn into catfish.

A kind of catfish,'Baung'.

Mekong catfish,here we call it 'Patin'.

Classic!

Colossoma.Locally called 'Pacu' or 'Picu'.Some just call it Piranha,the cousin.

The teeth.

Colosoma[Tambaqui (Colosoma macropomum)] attack

Fishing again?Of course,thats why we are called 'kaki nginti',angler in Iban.
We lost our hooks 3 times today to the great kolosoma/pacu,a piranha looking fish,with at least 2rows of razor sharp teeth like saw.
But that make us more determine to get it next time.

Our favourite sign on the way to the fishing ground.

Sunset at one of the fishing spot.

The silent killer...on standby mode.

The maniac...colosoma.The younger brother of our hooks stealer.

Patin..big ha..

Catfish...medium size.

Special designed head of the catfish.

Giant catfish and Mekong catfish rush!

This is our No.9 trip to this place.We got addicted...and it get better day by day.
Caught 3 giant catfish weight around 10kg each.
And a lot of Patin(Mekong Catfish),a few of kolosoma,tilapia and 'sultan'.

Chris' first catch and the only one of the day!





















The classic picture.