I've had a few of these guys do that to me too, and nothing has ever helped within a couple days they'd died. I hope yours makes it I still have a school of 6 habrosus they're funny when they divebomb up for air!
30gal Planted; Mollys; Dalmations: Sailfin(M), Balloon (F) & Common (F). Sunset Common(F), Julii Corys, Otto Suckermouth Catfish, Hillstream Loach, Leopard Loach, Clown Pleco, Blue Mystery Snail, Tetra's; BlackSkirt, Diamond, Black Phantom, Serapae.10gal Planted; Eeyore (Super Delta Marbled Betta M), hasbrosus Cory, Scissortail & Harlequin Rasbora's, black Neon & neon Tetra's, Otto Suckermouth Catfish. 2gal:group male guppies