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My Dwarf Gourami are fighting. How do I tell their sex and stop it?

Updated On September 23rd, 2025

Pet's info: Fish | Unknown - Fish | Male | unneutered | 0.1 lbs

Hi, I was wondering if my Dwarf Gourami fish are male or female and why one keeps chasing the other and nipping at it?

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1 Answer

Most Helpful Answer

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Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on June 10th, 2017

Dwarf gouramis can be very territorial. If your tank is not big enough, one will chase the other. Removing one fish or transfer to a larger tank may be necessary. You can determine sex by looking at the dorsal fin. The male's dorsal fin is pointed, while the female's is rounded or curved.

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