Fire eels

[Jesse18]

How can u tell the difference between a mail and a female

 

[alLexX]

How can u tell the difference between a mail and a female

well the mail will be in an envelope lol,im not sure if you can but the females are probably fatter

 

[HUKIT]

There really are no visual differences between the two, although some speculate the females will be a little plumper but I've never seen this in the larger fish.