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

Updated On June 10th, 2017

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

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Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

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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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