Teleostei (teleosts) >
Perciformes/Scorpaenoidei (Scorpionfishes) >
Setarchidae (Deep-sea bristly scorpionfishes)
Etymology: Lioscorpius: Greek, leios = flat + Latin, scorpaena = a kind of fish, 1706 (Ref. 45335); trifasciatus: Name from Latin 'tri' meaning triple and 'fascia' for band, referring to the 3, reddish diagonal bands on the pectoral fin.
More on authors: Last, Yearsley & Motomura.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; benthopelagic; depth range 250 - 400 m (Ref. 58026). Deep-water; 9°S - 39°S, 144°E - 151°E (Ref. 58026)
Western Pacific: Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.6 cm SL male/unsexed; (Ref. 58026)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 12; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 5. Distinguished by the following characters: anal fin III, 5; 3 diagonal red bands on pectoral fin; red caudal-fin margin; relatively small head, 38.7-42.3% SL, orbit 7.4-8.2% SL; upper jaw, 19.1-20.7% SL; maxilla depth, 5.3-6.1% SL; short predorsal-fin distance 36.2-38.8%; long second pelvic-fin ray 18.6-19.8% SL, 0.9-1.0 of length of upper jaw; anal-fin spines, first 5.0-6.6% SL, second 10.4-12.% SL (Ref. 58026).
Body shape (shape guide): elongated; Cross section: oval.
Found on the continental slope. Benthic (Ref. 75154).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Last, P.R., G.K. Yearsley and H. Motomura, 2005. Lioscorpius trifasciatus, a new scorpionfish (Scorpaeniformes: Setarchidae) from the south-west Pacific Ocean. Zootaxa 1038:11-22. (Ref. 58026)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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