Chinese Taipei (Taiwan) country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Widespread across northern and western Taiwan (including Ilan, Taipei, Taoyuan, Shinchu, Miaoli, Taichung, Chanhwa, Yunlin, Charyi, and Tainan Counties), except river basins south of the Tzengwen River. Artificially introduced in eastern Taiwan (Hualien and Taitung Counties) which has subsequently expanded its range in these basins and caused greatly substantial declines of the locally endemic cyprinid (Aphyocypris kikuchii) and gobiid fishes (two species of Rhinogobius spp.) (Ref. 81910). Also Ref. 5193, 33508, 47271.
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: Chen, I.-S., J.-H. Wu and Huang S.-P., 2009
National Database: The Fish Database of Taiwan

Common names from other countries

台湾鱲, 溪哥, 苦槽仔, ... more

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Cypriniformes (Carps) > Xenocyprididae (East Asian minnows)
Etymology: Opsariichthys: Greek, opsarion, -ou = a little portion fish + Greek, ichthys = fish (Ref. 45335).
More on author: Günther.

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

; zoet water demersaal. Subtropical

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri

Asia: Taiwan.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 16.0 cm TL mannelijk / geslacht onbekend; (Ref. 6898)

Korte beschrijving Morfologie | Morfometrie

Dorsale zachte stralen (totaal): 10-11; Anale zachte stralen: 11 - 13; Wervels: 39 - 41. More than 48 (modally 50-54) scales on lateral line; 20-23 predorsal scales; 4+36-37 (= 40-41) vertebral count; maxillary extending to or beyond vertical midline of orbit in female; and opercle and ventral side of head orange-red to pink-red in adult male (Ref. 95038).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Mating behavior: Usually begins with fighting among males. Only one mates. Females rest on sandy ground and the male presses her belly. This makes the female tilt with her anus closer to the male. The male vibrates and releases the sperm. Subordinate males often join the spawning pair, perhaps to release their sperm.

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

Chen, I.-S., J.-H. Wu and Huang S.-P., 2009. The taxonomy and phylogeny of the cyprinid genus Opsariichthys Bleeker (Teleostei: Cyprinidae) from Taiwan, with description of a new species. Environ. Biol. Fishes 86:165-183. (Ref. 81910)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet geëvalueerd

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

FAO(Publication : search) | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00871 (0.00415 - 0.01826), b=3.09 (2.92 - 3.26), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.2 ±0.4 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Fec = 712).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Opsariichthys pachycephalus Günther, 1868