Lythrichthys cypho, Dwarf red deepwater scorpionfsh

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Lythrichthys cypho (Fowler, 1938)

Dwarf red deepwater scorpionfsh
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drawing shows typical species in Setarchidae.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Perciformes/Scorpaenoidei (Scorpionfishes) > Setarchidae (Deep-sea bristly scorpionfishes)
Etymology:

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; bathydemersal; depth range 100 - 774 m (Ref. 123746). Tropical

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

Western Pacific: Japan, East China Sea, Taiwan, Philippines, Indonesa, New Caleonia and in the eastern Indian Ocean: Western Australia and the Andaman Sea.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 7.0 cm SL male/unsexed; (Ref. 123746)

Short description Morphology | Morphometrics

This species is distinguished by the following set of characters: scale rows between 6th dorsal-fin spine and lateral line 6-7 (usually 7); scale rows between last dorsal-fin spine and lateral line 6-7 (7); middle postorbital scale rows 2-3 (3); caudal-peduncle depth 7.4-9.4% (mean 8.7%) of SL; interorbital width at vertical midline of eye 16.3-25.9% (21.5%) of HL; maxillary depth 12.0-18.9% (14.0%) of HL; lower opercular spine length 25.7-28.5% (27.3%) of HL; dorsal margin of interorbital space flat; presence of nasal and parietal spines; supraocular spine present in juveniles (up to ca. 2.0 cm SL, size reducing with growth); second lacrimal spine directed anteroventrally or ventrally; tip of lower opercular spine below posterior margin of opercle (sometimes reaching to just behind posterior margin in specimens of ca. 4.0 cm SL or greater); jaws with short dense conical teeth; premaxillary teeth in 3-5 irregular rows, totaling ca. 150 teeth. Colouration: head and body base color blackish-red (dull red at ca. 4.0 cm SL or greater), with uniformly scattered black pigment spots in fresh specimens and blackish coloration becoming more distinct in preserved specimens; caudal fin and oral surface uniformly pale in preserved specimens and sometimes a few dark smudges posteriorly on palate (Ref. 123746).

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

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. First published online, pp. 1-31, 19 Feb. 2021. Volume, issue and pages added 3 July 2021.] (Ref. 123746)

IUCN Red List Status (Ref. 130435)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration
Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Spawning aggregation
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
BRUVS
References
Aquaculture
Aquaculture profile
Strains
Genetics
Electrophoreses
Heritability
Diseases
Processing
Nutrients
Mass conversion
Collaborators
Pictures
Stamps, Coins Misc.
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 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 (10 of 100).