Decoy scorpionfish (Iracundus signifer)

Scientific name: Iracundus signifer Jordan & Evermann, 1903

Decoy scorpionfish (Iracundus signifer)

The Decoy scorpionfish (Iracundus signifer) is a marine fish of the family Scorpaenidae.

Biology

Dorsal spines (total): 12; Dorsal soft rays (total): 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. 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.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Iracundus signifer
Family
Scorpaenidae (Scorpionfishes or rockfishes)
Order
Scorpaeniformes (Scorpionfishes and Flatheads)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
13.0
Depth range
10–70 m (33–230 ft)
Environment
Marine; reef-associated; non-migratory; depth range 10 - 70 m
Climate
Tropical
Distribution
Western Indian Ocean: South Africa, Mauritius, Reunion. Pacific Ocean: Ryukyu Islands, Taiwan, and from the Society, Cook, Marquesan, Tuamoto, Pitcairn and Hawaiian islands.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Venomous
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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