Iracundus signifer Jordan & Evermann, 1903
Decoy scorpionfish
Iracundus signifer
photo by Randall, J.E.

 Family:  Scorpaenidae (Scorpionfishes or rockfishes), subfamily: Scorpaeninae
 Max. size:  13 cm TL (male/unsexed)
 Environment:  reef-associated; depth range 20 - 110 m, non-migratory
 Distribution:  Western Indian Ocean: South Africa, Mauritius, Reunion. Pacific Ocean: Ryukyu Islands (Ref. 559), Taiwan, and from the Society, Cook, Marquesan, Tuamoto, Pitcairn and Hawaiian islands.
 Diagnosis:  Dorsal spines (total): 12-12; Dorsal soft rays (total): 8-9; Anal spines: 3-3; Anal soft rays: 5-5. Anterior part of dorsal fin resembles a small fish, the fin also has a spot between spines 1-2 or 1-3 (Ref. 4313). Lachrymal bone with 2 spines over maxillary, first points forward, second broad, pointing out and to rear; suborbital ridge without spines except one at rear before opercle; preopercular spines short, usually only 3 developed; no supplemental preopercular spine at base of first spine; a dark spot on the spinous dorsal fin between spines 1 or 2 and 3; and vertical scale rows of about 65-75 (Ref. 10482). Description: Characterized by mottled red color with white patches; ctenoid scales; absence of palatine teeth; depth of body 3.2 in SL (Ref. 90102).
 Biology:  Found on sand and rubble under ledges of seaward reefs (Ref. 9710). Benthic (Ref. 58302). The dorsal fin mimics a tiny fish and is used as a lure (Ref. 9710). Anterolateral glandular groove with venom gland (Ref. 57406).
 IUCN Red List Status:   (Ref. 96402)
 Threat to humans:  venomous
 Country info:   

 Entered by: Binohlan, Crispina B. - 08.04.93
 Modified by: Reyes, Rodolfo B. - 18.07.13
 Checked by: Capuli, Estelita Emily - 06.08.94

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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