Fig. 2. The pattern of PLL neuromasts in larvae up to 8 mm. The dashed arrow indicates the progressive completion of the L-PLL by secondary neuromasts. D1-9, dorsal neuromasts; D'1-3, neuromasts of the new dorsal line; L1-8, lateral neuromasts; O1-3, occipital neuromasts; ML, middle lateral line system. Anterior is towards the left and dorsal is upwards.