Threadfin Seasnail

This species is distinguished by the following characters: vertebrae 62-69; D 56-60; pectoral finwith 12-13 rays in upper lobe, 4-5 notch rays (rudimentary to their basis and widely spaced) and2-3 elongated rays in lower lobe; preanal distance 34.3-34.5% SL, head 23.4-23.9%; postorbital distance short, 12.7-13.0% SL; wide and flat tooth plates, teeth very small, slightly prominent and even in size; posterior margin of gill cover rounded; skin on head, including its lower side, pale (bright red in life); mouth pale, grayish gill cavity (Ref. 86261).

Dorsal soft rays (total): 5660; Vertebrae: 62 - 69

Epibenthic; feeds on crustaceans (Ref. 58426).

Epibenthic; feeds on crustaceans (Ref. 58426).