six lateral papillae
young, 5.5 mm
Plocamopherus maculatus (Pease,
|Maximum size: 35 mm.
This species is translucent-cream with light orange spots and white
flecks. There are usually patches of darker orange on the mid-line of
the notum. There are two or three pairs of elongate lateral papillae
the posterior pair (near the branchia) usually tipped with pinkish
"balls." There is a central crest on the posterior portion of the
is a moderately common nocturnal animal found in moderately protected
to highly exposed rocky habitats at depths of < 1 to 15 m (< 3
to 49 ft). The lateral "balls" are bioluminescent and it can
swim by lateral flexing when disturbed. It lays a pink, spiral egg mass.
Big Island, Maui, Oahu, Kauai and French Frigate Shoals: widely
This species is listed as Plocamopherus
tilesii in Bertsch and Johnson, 1981. It was first reported from
Hawaii in Pease, 1860 (as Histiophorus maculatus).
19 mm: Hekili Point, Maui; Nov. 7, 2007.
Observations and comments:
1: ( )