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View Full Version : can fish throw up?



laurabb
03-04-2007, 10:55 AM
We just got a new betta yesterday, and he seems healthy and happy.

I saw a small white filmy object floating in his tank, and then happened to see him open his mouth and out came another piece of the same stuff. The second piece was also white, and looked sort of filmy, like very wet tissue paper or something. Not exactly stringy, but sort of like the dead skin that flakes off you when you've had a sunburn.

Any idea what this is, and should I be concerned? He's in a 2.5 gallon tank with heater, filter, etc. The tank is not yet cycled (long story there, so we're unfortunately doing a fishy cycle). The ammonia was about .25 this morning, so I did a 30-40% water change about an hour ago, and it now measures 0 ammonia. We didn't feed him yesterday, but fed him 3 Hikari biogold pellets this morning.

didy
03-04-2007, 1:49 PM
They do spit up food at times. It can be a sign of illness, but I wouldn't be convinced of such in a new fish. Probably a little stress.

We moved into this house 8 years ago, and my tummy was upset for about a week.

jm1212
03-04-2007, 2:27 PM
if they eat to much fish will throw up.

watch him for a while and if it keeps happening, try feeding a little less. if the spitting up persits it could be an internal bacterial infection.

dmopar74
03-04-2007, 2:44 PM
sometimes my aro would throw up a 4"prawn after pigging out, talk about nasty!

laurabb
03-05-2007, 12:50 PM
if they eat to much fish will throw up.

watch him for a while and if it keeps happening, try feeding a little less. if the spitting up persits it could be an internal bacterial infection.

I found another piece of that stuff floating in his tank this morning after a water change. I can't tell if it was a new one, or one from yesterday that just didn't get vacuumed up. On another note, I saw a long white stringy thing floating in his water after the water change - no idea what it was. It looked like a white thread, about 1/2" long. Could this be a parasite or something?

The betta is acting fine, although not as peppy as yesterday. He's hanging out near the little feeding door at the top of the tank, hoping for more food I think. Or he lays on one of the leaves of his silk plant. I only fed him 1 biogold pellet this morning, and will feed him another tonight. If he doesn't throw up again, I'll try feeding a little more tomorrow. But what about this white stringy thing?

Signus
03-05-2007, 1:04 PM
Sure do!

Go fishing during the mackerel runs and leave the fish in your bucket or cooler alive for a while. Neat way to figure out which bait is working well, but making off the hook sashimi is a much better alternative.

WeeNe858
03-05-2007, 1:08 PM
huh?

Signus
03-05-2007, 1:14 PM
When mackerel and other large fish are caught on a line or not feeling well, they purge their gut. Just saying that after getting taken out of the water, then put into an environment that's definetly not pleasent for them, they do the same in the bucket or cooler.

Kyohti
03-05-2007, 1:19 PM
I found another piece of that stuff floating in his tank this morning after a water change. I can't tell if it was a new one, or one from yesterday that just didn't get vacuumed up. On another note, I saw a long white stringy thing floating in his water after the water change - no idea what it was. It looked like a white thread, about 1/2" long. Could this be a parasite or something?

The betta is acting fine, although not as peppy as yesterday. He's hanging out near the little feeding door at the top of the tank, hoping for more food I think. Or he lays on one of the leaves of his silk plant. I only fed him 1 biogold pellet this morning, and will feed him another tonight. If he doesn't throw up again, I'll try feeding a little more tomorrow. But what about this white stringy thing?

Sometimes when a betta is fed a poor diet... or has been starved, they will poop a thin white line of fecal matter. It could be that or it could be a parasite. Was it alive? Was there anything unusual about one end or the other? I'd have to see a picture of what you're describing... the threads and the spit-up from your betta. It's so diffcult to determine what it is... : /

Kyohti
03-05-2007, 1:41 PM
When mackerel and other large fish are caught on a line or not feeling well, they purge their gut. Just saying that after getting taken out of the water, then put into an environment that's definetly not pleasent for them, they do the same in the bucket or cooler.

The reason for that isn't that they are sick or stressed... it's because the change in pressure from the level they are swimming to the water's surface is so fast and so drastic that it causes them to almost literally heave up their guts to expel the excess pressure. It's the same as when deep sea divers rise to quickly and get the bends.

I used to fish the Gulf of Mexico with my grandpa on vacations. ^_^

laurabb
03-05-2007, 1:48 PM
Sometimes when a betta is fed a poor diet... or has been starved, they will poop a thin white line of fecal matter. It could be that or it could be a parasite. Was it alive? Was there anything unusual about one end or the other? I'd have to see a picture of what you're describing... the threads and the spit-up from your betta. It's so diffcult to determine what it is... : /

I don't think the white stringy thing was alive. It just seemed to be floating around in the water, and now I don't see it (must be on the bottom of the tank, hidden in the marbles). Each end looked pretty much the same; I didn't see anything that looked particularly like a head or anything. I do see a small brown thing at the bottom of his tank, which I'm hoping is a poo, and not a piece of uneaten food. Is there any harm in treating with Jungle Parasite Clear, or is this jumping the gun?

Signus
03-06-2007, 9:11 PM
That'd be jumping the gun. Paracites will make their presense known. Most fish poo is stringy.

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Ps. My "fish throwing up" experiences are from the docks and piers (about 6-30 ft of water), but yes, you're totally right about fish and pressure changes. Always felt bad about popping the airbladders on unsized groupers, then releasing them to an uncertain fate.