Could someone help me sex my tetras?

[Kyanite14]

I have 6 of them, I THINK I have 4 female 2 male because two are smaller than the others which I got from the same batch. Not sure. Tried to get good photos…

 

[Ichthys]

Wait a few weeks, feed them up a bit. The only difference is females will be fatter than the males. You should be able to tell quite easily in a few weeks.

 

[Sgooosh]

Wait a few weeks, feed them up a bit. The only difference is females will be fatter than the males. You should be able to tell quite easily in a few weeks.

will this count for Harlequin Rasboras too?

 

[Colin_T]

male neon tetras have a straight blue line, females have a bend in the blue line.

the 3rd fish down (on left) is skinny and has gill flukes or intestinal worms or both.

See section 3 of the following link for treating them.

What to do if your fish has Stringy White Poop.

Fish do a stringy white poop for several reasons. 1) Internal Bacterial Infections causes the fish to stop eating, swell up like a balloon, breath heavily at the surface or near a filter outlet, do stringy white poop, and die within 24-48 hours of showing these symptoms. This cannot normally be...

www.fishforums.net

 

[Kyanite14]

male neon tetras have a straight blue line, females have a bend in the blue line.

the 3rd fish down (on left) is skinny and has gill flukes or intestinal worms or both.

See section 3 of the following link for treating them.

What to do if your fish has Stringy White Poop.

Fish do a stringy white poop for several reasons. 1) Internal Bacterial Infections causes the fish to stop eating, swell up like a balloon, breath heavily at the surface or near a filter outlet, do stringy white poop, and die within 24-48 hours of showing these symptoms. This cannot normally be...

www.fishforums.net

I’m currently using prazipro because I saw one of the guppies showing signs of flukes