set up:high temp 84 to 86 must have a glass top they need the humidity and warm air is as if not more important as the water, ive also had them climb their way clear to the top of a 75 gallon tank with only 2" of water in it. i kept mine on playsand from home depot sloped down with about 3" of brackish water
ive kept african asian and indian mudskippers.
asian mudskippers are the easiest can be kept in groups arent super aggerssive. can be kept with other brackish fish with some success. africans are very territorial and aggerssive most imported are males and they will sometimes kill each other.
my africans eventually killed and ate every brackish fish i put in with them from sailfin mollies to brackish shark cat and even a 12" brackish moray eel.
the indian species i had only ate algea and tore the crap out of each other.
the asian and africans ate frozen bloodworns, brine shrimp, squid, cricket,.other fish and after a while even pellets and flake food.
what species did you get?