A new species of dwarfgoby, Eviota tetha, with a cephalic sensory-canal pore pattern lacking only the IT and NA pores and with the AITO pore positioned far forward and opening anteriorly, is described from Cenderawasih Bay, West Papua, Indonesia. It has a dorsal/anal-fin formula of 8/7, pectoral-fin rays unbranched, the 5th pelvic-fin ray is absent or flexible and rudimentary and less than 10% of the 4th, the fourth pelvic-fin ray has 2–3 branches, very long anterior tubular nares, and a distinctive black spot at the caudal-fin base. In life it is red-orange with five distinctive small white spots along the posterior midline and two white lines over the abdomen.