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I hava a young pair of platydoras costatus and the female has suddenly got very fat, any chance of them breeding? I noticed in the cat-eLog that there's no info on breeding so can anyone give me any pointers? Are they "fire & forget" spawners or do they take care of the eggs/wrigglers? I do have a hospital/breeder tank available but prefer not to move fish if it's not essential..
Any tips or advice greatfully received

Tanis

Haro Hieronimus wrote in a German book 'welse' - that is 'catfish' - Platydoras actually build foam nests.

I would never have thought of bubble-nest building! So, any chance of them doing it in an aquarium with neighbours or would it be best to seperate them?

Assuming you would lintend to obtain fry, I'd remouve all other fishes - as they will certainly like to eat eventual eggs, or fry

I do have 3 Platydoras myself, or fishes bought under that name, for 18 years now, but I never saw anything hinting at breeding Thus I can only quote what I read, and whish you a lot of luck

How big are they & how have you sexed them? I can't recall seeing any Doradid i could say was definately gravid so i'd like to know - any chance of pics?

They're both about 13cm long without tail, one gracile one more robust and was told the more robust was female. The female suddenly got much fatter over the course of a couple of days which made me think "gravid". She shows no sign of being unwell, nor has her behaviour changed..

interesting...thanks for the post.

This morning she's back to normal chubbyness, no sign of bubble nest so if she was gravid before, she isn't now

In such a short turnaround period i personally suspect it was something other than being egg-laden, maybe not though???

I saw a platydoras (armatulus?) yesterday that was huge. Although it was hiding in a pipe the width of it's head was just over 3.5 inches!