IUCN threat status:

Least Concern (LC)

Comprehensive Description

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  Common names: signal-blenny (English), trambollín-señalizador (Espanol)
Emblemaria piratica Ginsburg, 1942

Sailfin signal-blenny

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.


Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Shorefishes of the tropical eastern Pacific online information system. www.stri.org/sftep

Source: Shorefishes of the Tropical Eastern Pacific Online Information System

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