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Iracundus signifer  Jordan & Evermann, 1903

Decoy scorpionfish
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| Native range | All suitable habitat | PointMap | Year 2100 |
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Iracundus signifer   AquaMaps   Data sources: GBIF OBIS
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Image of Iracundus signifer (Decoy scorpionfish)
Iracundus signifer
Picture by Randall, J.E.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Scorpaeniformes (Scorpionfishes and flatheads) > Scorpaenidae (Scorpionfishes or rockfishes) > Scorpaeninae
Etymology: Iracundus: Latin, iracundus = choleric (Ref. 45335).   More on author: Jordan, Evermann.

Environment / Climate / Range Ecology

Marine; reef-associated; non-migratory; depth range 20 - 110 m (Ref. 90102).   Tropical

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 13.0 cm TL male/unsexed; (Ref. 3921)

Short description Morphology | Morphometrics

Dorsal spines (total): 12; Dorsal soft rays (total): 8-9; 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).

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

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.

Biology     Glossary (e.g. epibenthic)

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).

Main reference Upload your references | References | Coordinator | Collaborators

Randall, J.E., 1985. Guide to Hawaiian reef fishes. Harrowood Books, Newtown Square, PA 19073, USA. 74 p.

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Venomous (Ref. 57406)




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278):  3.6   ±0.6 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (31 of 100) .
Price category (Ref. 80766):   High.