Peronedys anguillaris, the eel blenny, is a species of clinid found in estuaries of southern Australia where it only inhabits beds of eelgrasses where the living grasses are bedded in decaying grasses. It can reach a maximum length of 13 centimetres (5.1 in) TL. https://en.wikipedia.org/wiki/Peronedys_anguillaris Photo: Edithburgh. J. Lewis.