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Evynnis tumifrons (Temminck & Schlegel, 1843)

Yellowback seabream
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Evynnis tumifrons
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Common names from other countries

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

> Eupercaria/misc (Various families in series Eupercaria) > Sparidae (Porgies)
Etymology: Evynnis: Greek, eu = good + Greek, ynnis, -eos = ploughshare (Ref. 45335).
  More on authors: Temminck & Schlegel.

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

marina bottenlevande; djupintervall 30 - 346 m (Ref. 75154).   Subtropical; 45°N - 22°N, 114°E - 146°E

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Western Pacific: Hokkaido, Japan, Korea, Taiwan and south to Macau, China; a single specimen from Bali, Indonesia.

Length at first maturity / Size / Vikt / Age

Maturity: Lm 14.9, range 12 - 20.8 cm
Max length : 35.0 cm SL hane/ej könsbestämd; (Ref. 559); common length : 20.0 cm TL hane/ej könsbestämd; (Ref. 2115)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 12; Mjukstrålar i ryggfenan (totalt): 10; Taggstrålar i analfenan 3; Mjukstrålar i analfenan: 9. Under Evynnis, this species is chracterized by the following set of characters: D XII,10, with the first and second spines considerably shorter than third and fourth spines which are extended, and the third dorsal fin spine less than 2 time in fifth dorsal fin spine; A III,9; pectoral fin rays usually 15; scales on preopercular flange absent; body depth relatively lower, standard length/body depth over 2.1; when fresh, with scattered cobalt blue spotted markings on side; teeth on vomer usually present (Ref. 75039).

Biologi     Ordlista (t.ex. epibenthic)

Inhabits muddy and muddy-sandy bottoms. Feeds on a wide range of benthic invertebrates and on fish. Two spawning seasons, early summer and autumn. Utilized for human consumption especially in the East China Sea where it is caught mostly by trawlers. An important food fish.

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

Main reference Upload your references | referenser | Koordinator | Medarbetare

Iwatsuki, Y., M. Akazaki and N. Taniguchi, 2007. Review of the species of the genus Dentex (Perciformes:Sparidae) in the Western Pacific defined as the D. hypselosomus complex with the description of a new species, Dentex abei and a redescription of Evynnis tumifrons. Bull. Natl. Mus. Nat. Sci. Ser. A. Suppl. 1:29-49. (Ref. 75039)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 04 December 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fiskeri: kommersiell
FAO(Vattenbruk: produktion; ; publication : search) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 8.1 - 21.9, mean 18.2 (based on 161 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02512 (0.01600 - 0.03945), b=2.95 (2.82 - 3.08), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.4   ±0.2 se; based on size and trophs of closest relatives
Resiliens (Ref. 120179):  Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (K=0.25-0.37).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (37 of 100).
Price category (Ref. 80766):   Medium.