Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal. Subtropical
Indo-West Pacific: Japan, East China Sea, Taiwan, the Philippines, Sulu Sea, Indonesia, Australia, Vanuatu, and Fiji.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 17.6 cm SL male/unsexed; (Ref. 123746)
Short description
Identification keys | Morphology | Morphometrics
This species is distinguished by the following set of characters: scale rows between 6th dorsal-fin spine and lateral line 9-11 (usually 10); scale rows between last dorsal-fin spine and lateral line 10-12 (11); middle postorbital scale rows 3-5 (4); caudal-peduncle depth 8.8-10.9% (mean 9.9%) of SL; interorbital width at vertical midline of eye 23.3-31.2% (25.6%) of HL; maxillary depth 16.0-18.9% (16.9%) of HL; lower opercular spine length 25.6-36.2% (32.8%) of HL;; dorsal margin of interorbital space slightly raised; nasal and parietal spines present (imbedded about 12.0 cm SL or more); no supraocular spine; second lacrimal spine directed ventrally or posteroventrally (usually posteroventrally); tip of lower opercular spine beyond posterior margin of opercle (sometimes just short of margin in specimens up to ca. 8.0 cm SL); jaws with short, dense conical teeth; premaxillary teeth in 3-6 irregular rows, totaling ca. 200 teeth. Colouration: head and body base color scarlet to dull red (rarely dusky red), with smudge-like or numerous small blurred black blotches above the lateral line when fresh; caudal fin uniformly pale in preserved specimens; palate surrounded by vomerine and palatine plates and gill arches grey (oral surface uniformly pale in specimens up to ca. 8.0 cm SL (Ref. 123746).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Wada, H., Y. Kai and H. Motomura, 2021. Revision of the resurrected deep-water scorpionfish genus Lythrichthys Jordan and Starks 1904 (Setarchidae), with description of two new species. Ichthyol. Res. 68(3):373-403. (Ref. 123746)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00417 - 0.02629), b=3.04 (2.82 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).
