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Anna
Anna, Pet Expert/Biologist
Category: Pet
Satisfied Customers: 11131
Experience:  40 yrs.: herps, pocket pets, rabbits, poultry, dogs, horses. Biology degree. Vet assistant.
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We've had a goldfish for a year and a half. 9 days ago his

Customer Question

Hi there, we've had a goldfish for a year and a half. 9 days ago his mouth stopped opening and he stopped eating. We changed water, put in antibacterial medicine, fish salt and tonight was able to get his mouth open with a plastic tweezer a few times so it's not "fused shut" but he still seems unable to open on his own. Any suggestions? Thanks very much, Trisha :)
JA: I'm sorry to hear that. What is the goldfish's name?
Customer: Charlie
JA: Is there anything else the Veterinarian should be aware of about Charlie?
Customer: No
Submitted: 1 month ago.
Category: Pet
Expert:  Anna replied 1 month ago.

Hello Trisha,

I apologize that no one has responded to your question sooner. Different experts come online at various times. I just logged on and saw your question. My name is ***** ***** I’m a biologist with a special interest in fish.I'm sorry to hear of this incident.

Usually when a goldfish's mouth is closed shut and won't open there are four possibilities:

a fungal or bacterial infection inside the fish's mouth

the fish ate something, such as a rock, that damaged the inside of the mouth

a dietary deficiency

a genetic defect.

You have already treated with an antibiotic, but it would be a good idea to try an antifungal, such as Maroxy or PimaFix. Aqaurium salt is also recommended, but you have already done that. If there's an injury, it may heal with time. If there's a genetic defect, there won't be anything you can do.

I recommend that you start feeding the fish a liquid food called Small Fry Liquid Baby Fish Food.

This is a completely liquid food designed for tiny fry, but will help Charlie to at least absorb some nutrients. Feed a 2-3 drops twice a day.

If the salt and medications don't help, there is nothing more you can do. Please don't try prying his mouth open with anything because that is very likely to cause injury or worsen one that is already there.

If you have more questions, just let me know. Unfortunately, this is a bad situation for which there aren't many solutions. I do hope Charlie will be all right.

Anna

My goal is to provide you with excellent 5 star service – if you feel you have gotten anything less, please reply back, I am happy to address follow-up questions. Please remember to rate my service after you have all the information you need. I will greatly appreciate a positive rating as that is the only way I am compensated. Thank you!

Expert:  Anna replied 1 month ago.
Hi,

I'm just following up on our conversation about your pet. How is everything going?

Anna