Assist figuring out their genders!

I’ve just lately purchased a gaggle of 5 pea puffers and I really like them very a lot. I did some analysis after shopping for them however couldn’t be 100% sure over which is what. The man within the retailer additionally couldn’t actually assist, he didn’t know to inform me. Anyhow, in the event you may assist, that will be wonderful!

Additionally another suggestions are a lot appreciated! I maintain the 5 of them in a 15 liter tank, Saved at 26C consistently and they’re being fed round a 3rd of a dice of bloodworms a day.

Thanks all!