well if it does not scare you let me give you some lowdown on them! (sorry in advance if do scare you!)
They dont care either way on sand or gravel, wont affect them, any plants including plastic will do.
Best temperature is around 26C, fully cycled tank needed as sensitive.
Never EVER let them get air in, they cant get it out themselves and as I found out neither can you.
They love bloodworm, daphnia, brineshrimp, some I have heard love prawn. They LOVE snails (always set up small tub for breeding if get into it). They can be messy so the bigger tank the better.
Recommended would be 4-5g as messy and easier to keep safe water parameters.
Juveniles are hard to tell apart, males tend to have stripes on belly and blue eye wrinkles. Females whiter bellies and slightly bigger (though the dominant puff may also develop a stripe).
They are also the worst/best beggers on the planet and will eat till their stomachs explode. Surprisingly they only need about 3 if that bloodworm a day, give them a day sabbatical. Others dont feed this often but I like to. They will hand feed and learn to recognise their owner and handle. They may nip your hands friendly if in the tank (doesnt hurt
)
And that is to start you! LOL Sorry!
p.s. a quick gratuitous photo of Piggy