Fish Fact File Dusky Grouper Fish Fact FileAmerican green tree frogRed-eared sliderCommon stingrayClown fishOcellate river sting rayUndulate rayRegal tangRam cichlidPainted comberPicasso trigger fishPanda CoryCrested geckoBlack tip reef sharkWhiptail catfishVeiled chameleonCow nose rayBlack and white argentine teguEmperor angel fishCommon OctopusLeopard geckoBanggai cardinal fishNursehoundIndian stick insectPacu fishSmall-spotted catsharkMadagascar hissing cockroachGiant pangasiusMediterranean morayBrazilian red and white tarantulaGiant gourami Zone 1 The dusky grouper has a big body with a big mouth. It is a solitary fish, living on the rocks. BROWSE OTHER SPECIES Back to Fish Fact File Giant pangasius Regal tang Cow nose ray Pacu fish Back to Fish Fact File