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Iracundus signifer Jordan & Evermann, 1903
Family: Scorpaenidae (Scorpionfishes or rockfishes), subfamily: Scorpaeninae Show available picture(s) for Iracundus signifer *Enlarge www.ccfishery.net
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Order: Scorpaeniformes (scorpionfishes and flatheads)
Class: Actinopterygii (ray-finned fishes)
In this site name: Decoy scorpionfish
Max. size: 13.0 cm TL (male/unsexed; Ref. 3921)
Environment: reef-associated; non-migratory; marine; depth range 10 – 70 m
Climate: tropical
Importance:
Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Distribution:
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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.
Morphology: Dorsal spines (total): 12 - 12; Dorsal soft rays (total): 9 - 9; Anal spines: 3; Anal soft rays: 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).
Biology: Found on sand and rubble under ledges of seaward reefs. The dorsal fin mimics a tiny fish and is used as a lure (Ref. 9710). Anterolateral glandular groove with venom gland (Ref. 57406).
Red List Status: Not in IUCN Red List (Ref. 57073)
Dangerous: venomous , Smith, W.L. and W.C. Wheeler. 2006
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