Abstract
FIGURE 3. Sensory head pores of Lepadichthys erythraeus. LC = Lachrymal canal pores, NC= Nasal canal pores, PO = Postocular canal pores, PR = Preopercular canal pores. In L. erythraeus there are 3 PR pores; the third is visible only on the ventral surface and cannot be seen in profile.