Multifid Tentacled Robust Triplefin

Snout profile steep, line drawn through tip of premaxilla across ventral margin of orbit touches or passes anterodorsal to dorsal extremity of preoperculum. Transverse groove in front of firstdorsal fin containing cephalic sensory pore. Scales absent in front of first dorsal fin first spine, naked immediately adjacent to first dorsal, but many small ctenoid scales adjacent to post-temporal. First lateral line scale with one group of ctenii at upper posterior edge, second scale onward, with two groups of ctenii at upper and middle posterior edges. Dorsal fin formula V-0N-0-1-0-1 (Ref. 84085).

Dorsal spines (total): 25 - 30; Dorsal soft rays (total): 14 - 16; Analspines: 2; Analsoft rays: 25 - 27; Vertebrae: 44 - 46

Adults occur in rocky shores and occasionally in exposed rocky pools (Ref. 13227). Also common on wharf piles among encrusting invertebrates. Depth to at least 7 m (Ref. 84085).

fisheries: of no interest

Forsterygion gymnotum, known commonly as the Tasmanian robust triplefin, is a species of triplefin blenny in the genus Forsterygion. It is native to coastal New Zealand, but has also been Introduced to Tasmania, Australia. It was described by Eric Oswald Scott in 1977 from Tasmania. It is thought to have reached Tasmania from New Zealand through shipments of osyters.