Hazeus otakii, Scalyhead goby : fisheries

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Hazeus otakii Jordan & Snyder, 1901

Scalyhead goby
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Hazeus otakii   AquaMaps   Data sources: GBIF OBIS
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drawing shows typical species in Gobiidae.

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
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 & Snyder.

Environment: milieu / climate zone / djupintervall / distribution range Ekologi

marina bottenlevande; djupintervall 20 - 35 m (Ref. 559). Temperate

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Prickkarta | Utplanteringar | Faunafri

Western Pacific: Japan, Taiwan, Philippines and Indonesia.

Size / Vikt / Age

Könsmognad: Lm ?  range ? - ? cm
Max length : 6.5 cm TL hane/ej könsbestämd; (Ref. 90102)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 6 - 7; Mjukstrålar i ryggfenan (totalt) : 10; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 10. Characterized by pale greyish brown with blackish blotch at upper rear margin of gill cover, longitudinal row of five, horizontally ovate to rectangular blackish blotches with smaller white spots between on side at level of pectoral fin base, first below spinous dorsal fin and last at midbase of caudal fin; back with about five diffuse saddles and numerous dark brown to blackish spots; white streak on middle of pectoral fin; first dorsal spine of each fin and sharp; fully united pelvic fins, frenum present; rounded caudal fin; longitudinal scale series 27; predorsal scales 7-8; ctenoid scales on body, becoming cycloid on head, pectoral fin base and prepelvic area; fully scaled cheek and opercle; depth of body 4.5-6.2 in SL (Ref. 90102).
Body shape (shape guide): elongated.

Biologi     Ordlista (t.ex. epibenthic)

Inhabits sand and rubble bottoms (Ref. 90102).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

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 2025-1)

  Least Concern (LC) ; Date assessed: 17 August 2023

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fiskeri: av potentiellt intresse
FAO - Publication: search | FishSource |

Ytterligare information

Trophic ecology
Food items (preys)
Födosammansättning
Födointag
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Predatorer
Ekologi
Ekologi
Home ranges
Population dynamics
Tillväxtparametrar
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Rekrytering
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Life cycle
Reproduktion
Könsmognad
Maturity/Gills rel.
Fecundity
Lek
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Ägg
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referenser

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Internet-källor

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Släkte, Arter | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | Nationella databaser | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, sök | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 17.6 - 28.5, mean 27 °C (based on 27 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00339 - 0.01546), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.2   ±0.3 se; based on size and trophs of closest relatives
Resiliens (Ref. 120179):  Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100). 🛈
Price category (Ref. 80766):   Very high.