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Hexagrammos otakii Jordan & Starks, 1895
Fat greenling
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Hexagrammos otakii AquaMaps Data sources: GBIF OBIS |
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Hexagrammos otakii
Male Picture by Markevich, A.I.
Pictures | Stamps, coins, misc. | Google image
Male Picture by Markevich, A.I.
Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) > Perciformes/Cottoidei (Sculpins) > Hexagrammidae (Greenlings) > Hexagramminae
Etymology: Hexagrammos: Greek, exa = six + greek, gramma = letter,signal (Ref. 45335).
Eponymy: Keinosuke Otaki (d: 1911) was Professor of English at the Imperial Military Academy of Tokyo for a decade, and a former zoology graduate (1894) student at Stanford University (where Jordan was president). [...] (Ref. 128868), visit book page.
More on authors: Jordan & Starks.
Etymology: Hexagrammos: Greek, exa = six + greek, gramma = letter,signal (Ref. 45335).
Eponymy: Keinosuke Otaki (d: 1911) was Professor of English at the Imperial Military Academy of Tokyo for a decade, and a former zoology graduate (1894) student at Stanford University (where Jordan was president). [...] (Ref. 128868), visit book page.
More on authors: Jordan & Starks.
Environment: milieu / climate zone / depth range / distribution range Ecology
Marine; demersal; oceanodromous (Ref. 51243); depth range 4 - 155 m (Ref. 27311). Temperate; 50°N - 26°N, 120°E - 152°E
Distribution Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Northwest Pacific: Japan, the southern Korean Peninsula to the Yellow Sea (Ref. 5590; including the coast of Primorye (Ref. 114081).
Length at first maturity / Size / Weight / Age
Maturity: Lm 19.1 range ? - ? cm
Max length : 57.0 cm TL male/unsexed; (Ref. 40637); max. published weight: 2.4 kg (Ref. 40637)
Max length : 57.0 cm TL male/unsexed; (Ref. 40637); max. published weight: 2.4 kg (Ref. 40637)
Short description Identification keys | Morphology | Morphometrics
Body shape (shape guide): elongated.
Minimum depth from Ref. 37936. Occurs in rocky coastal areas; often gather around artificial reefs. Breeds from October to December. The egg masses are attached to small rocks, guarded by the male (Ref. 559 and 637). Commercially cultured in Japan.
Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Male guards eggs.
Main reference
Upload your references | References | Coordinator | Collaborators
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Least Concern (LC) ; Date assessed: 29 November 2023
CITES
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: commercial; gamefish: yes
FAO - Publication: search | FishSource |
More information
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics
Anatomy
Gill area
Brain
Otolith
Gill area
Brain
Otolith
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Tools
Special reports
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Internet sources
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search |