This video is taken with the Trident OpenROV (openrov.com/) during the Open Explorer Project openexplorer.com/expedition/sevengillsharkaustralia2017
Dusky Morwong (Dactylophora nigricans - Richardson, 1850)
[It is] a large species with a long, slender, somewhat compressed body, thick rubbery lips, and thickened lower pectoral-fin rays, some slightly elongate. Adults uniform olive-green to greyish, paler below. Juveniles deeper-bodied, silvery with rusty-coloured bars and spots above and on tail. To 1.2 m. This commercially important species is often seen sheltering in small groups in caves and under overhangs. Juveniles are common in seagrass beds in Port Phillip Bay, Victoria.
Habitat - South-eastern Australia
Sheltered and exposed coastal reefs, in caves and under overhangs, in depths of 0-50 m.