Chinese Taipei (Taiwan) country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: common (usually seen) | Ref: Chao, N.L., C.-W. Chang, M.-H. Chen, C.-C. Guo, B.-A. Lin, Y.-Y. Liou, K.-N. Shen and M. Liu, 2019
Importance: commercial | Ref: Zhang, L.-L., M. Liu, L-P. Fang, Q. Xu and J.-L. Lin, 2019
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality of Johnius taiwanensis, Tainan, Jiangjun Port. Commonly found along both sides of the Taiwan Strait, the west coast of Taiwan from Taoyuan to Kaohsiung (Ref. 121822). Caught via trawls and hook-and-line almost all year-round (Ref. 130538).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/tw.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Chao, N.L., C.-W. Chang, M.-H. Chen, C.-C. Guo, B.-A. Lin, Y.-Y. Liou, K.-N. Shen and M. Liu, 2019
National Database: The Fish Database of Taiwan

Common names from other countries

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Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Sciaenidae (Drums or croakers)
Etymology: taiwanensis: Named for the country of its type locality, first recognized from specimens collected from Southwest Taiwan, and commonly found along both sides of the Taiwan Strait..

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

marin; eau douce; saumâtre benthopélagique. Subtropical

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Northwest Pacific: Taiwan, Hong Kong and China.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 18.6 cm SL mâle / non sexé; (Ref. 121822)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 10 - 12; Rayons mous dorsaux (Total): 24-28; Épines anales 2; Rayons mous anaux: 7 - 8. This species is distinguished from other species of the subgenus J. (Johnieops) by lacking an enlarged outer row teeth on the upper jaw; unique body color pattern of a grayish dorsal part divided by a distinct line from the whitish ventral one third; with a black dot on uppermost axilla of pectoral fin (vs. absent in other congeners except J. carouna); second anal-fin spine less than 30% of head length (vs. 35% in J. carouna); with cavernous but firm head and firmly attached scales (vs. head strongly cavernous and soft, and the scales on the body fall off easily in J. trewavasae, also with very short, tubercle-like gill rakers and a thicker second anal-fin spine); produces a sound that is unique amongst sciaenids in the coastal waters of Taiwan (Ref. 121822).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Chao, N.L., C.-W. Chang, M.-H. Chen, C.-C. Guo, B.-A. Lin, Y.-Y. Liou, K.-N. Shen and M. Liu, 2019. Johnius taiwanensis, a new species of Sciaenidae from the Taiwan Strait, with a key to Johnius species from Chinese waters. Zootaxa 4651(2):259-270. (Ref. 121822)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Préoccupation mineure (LC) ; Date assessed: 30 July 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

FAO(Publication : search) | FishSource |

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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=0.00891 (0.00410 - 0.01937), b=3.08 (2.91 - 3.25), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Niveau trophique (Ref. 69278): 3.4 ±0.4 se; based on size and trophs of closest relatives

Résilience (Ref. 120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (13 of 100).

Johnius taiwanensis Chao, Chang, Chen, Guo, Lin, Liou, Shen & Liu, 2019