Stonescale Eel

About 10c on Beta · Alliance (6 hours ago), 24c on Beta · Horde (12 hours ago), and 24c on Beta · Horde (1 day ago), from player scans. A vendor pays 10c, so the auction house pays 1× more.

1 recipe: Stonescale Oil.

No. It is in Classic Era too, with the same item level, vendor price and stack size.

Sell it to a vendor. A stack of 20 brings 2s 0c there — more than the auction house nets after its 5% cut.