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| Common names: signal-blenny (English), trambollín-señalizador (Espanol) |
Emblemaria piratica Ginsburg, 1942
Body elongate; head short and blunt; head without spines; snout with 2 longitudinal ridges broken into distinct tubercles; 1 unbranched cirrus over eye that is often longer than eye; 1 row of teeth on each side of roof of mouth; dorsal fin XX-XXI, 13-14, male with large, sail-like front of dorsal fin, membrane between 1st 4 spines indented, 1st spine with 3-5 small flag-like skin flaps at front at base; 1st 3 dorsal spines elevated in female, then a notch; anal rays II, 21-23; pectoral rays 13; pelvic fin longer than pectoral.
Males with dark brown head and lighter brown body, sides with faint brown bars and white flecks; dorsal fin of males black at front, before an area with broad yellow or red zones between diagonal black bands; females generally pale, somewhat translucent with midlateral row of brown spots and numerous white flecks.
Size: attains 4 cm.
Inhabits empty mollusc tubes on sand-rubble bottoms.
Depth: 5-30 m.
Central Mexico to Panama.