Yamato attack

[macdreamy]

Hi Guys

just set up a 4 ft, added some cardinals and yamatos in the first wave. after just 2 nights, 80% of cardinals were found dead. finally caught the culprit in action, yamato jumped them from branches tearing bits off cardinals. is this normal? or my yamatos r too hungry?

[windcharm]

My first time hearing yamatos killing cardinals..It your cardinals sick or anything?. Not that i know of. Are you sure they are yamatos at all?

[macdreamy]

dun think cardinals are sick....
and they r labeled as yamatos when i bought them
well its was the first i seen too...
none of my buddys have any sightings on attack in their tanks
which is why i came here to find out if anyone else share the same experience

[lEddyl]

large yamato does attack fish. especially the weak ones.
but 80% dead! more likely your fish ain't healthy as tetra are too fast for them

[macdreamy]

hmmm....
thats what i thought too.... after i introduced rummy and neon, i realised the fatality rate fell but my cardinals were wiped out. curious to know why too, anyway yamatos getting bigger and bigger, anything i should look out for ?

[TBoss]

I think those are not Yamatos. I think you got some piranas in disguise

[macdreamy]

hahahaaa
no more killings....
but still cant explain the wipeout of my cardinals
my lamp eyes, rummys and neons all doing fine...
puzzled

[lorba]

How long have you set up the tank before adding the fishes? Was it cycled?
And how many have you added at 1 go?

[macdreamy]

cycled about a week or so
around 20 cardinals 10 yamatos
ratio wrong?

[Jungle-mania]

yamatoes are known to "bulldoze" at weak or sick fishes for reasons I am not sure, seen it myself in my own tanks several times, took out my yamatoes and I had no more problems. It gave the fishes a chance to heal up and recover. There is no ratio issue, it takes only one to hurt the lot.

[macdreamy]

thks for the heads up
will continue to monitor
was considering to add more yamatos to tackle some upcoming algae issue
but i probably hold back that thought for the time being
probably just some otos

[adolfoi]

I always tot that Yamato Shrimp is a vege until I saw them crowded around a dying guppy and feast it within 2 hrs with only bone left over!!!

[windcharm]

I always tot that Yamato Shrimp is a vege until I saw them crowded around a dying guppy and feast it within 2 hrs with only bone left over!!!

Actually most of the shrimp do that. No just Yamato. Shrimps are natural scavanager.

[zoothefreak]

commando shrimps man hahaha sad for the tetras lah... your yamato shrimps behave like the mini piranha-like raptors in the Jurassic Park movies...

[macdreamy]

Actually most of the shrimp do that. No just Yamato. Shrimps are natural scavanager.

well at least they clear up the bodies....

[petra87]

I always tot that Yamato Shrimp is a vege until I saw them crowded around a dying guppy and feast it within 2 hrs with only bone left over!!!

nah very wrong hahah...i alway had this big tank in my office with tetras and yamotoes..the yama eat alages as usual but fish do die so once in awhile i sit in office wonder at the marvel of them eating up e dead.

best thing is they love pellets hahah..throw afew and u will see them scrambling to catch and hide in one corner enjoying it