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Cypriniformes (Carps) >
Gobionidae (Gudgeons)
Etymology: Squalidus: Latin, squalidus = pale, weak + Latin, barbus = barbel (Ref. 45335).
Eponymy: Professor Dr Isao Ijima (1861–1921) was Professor of Zoology at Science College, Imperial University of Tokyo (1885–1921) from where he had graduated (1881). [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch; diepte 0 - 5 m (Ref. 6898). Subtropical
Asia: endemic to Taiwan.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 10.0 cm TL mannelijk / geslacht onbekend; (Ref. 6898)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale zachte stralen (totaal) : 10; Anale zachte stralen: 9. Distinguished from its congeners by the unique combination of the following characters: dorsal fin rays 3+7, anal fin rays 3+6, pectoral fin rays 1+13-14; lateral-line scales 34-35, predorsal scale rows 10-11; body robust, the transverse rows of papillae on snout loosely arranged and maxillary barbels short and about equal to 1/2 of eye diameter and body greenish-silver on dorsal and silver-white on ventral side; body scale pocket, with grayish posterior margin, has net-like patterns; body with a longitudinal grayish stripes; all fins translucent; dorsal and caudal in with minute black spots; other odd fins unmarked (Ref. 57944).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Chen, I.-S. and Y.-C. Chang, 2007. Taxonomic revision and mitochondrial sequence evolution of the cyprinid genus Squalidus (Teleostei: Cyprinidae) in Taiwan with description of a new species. Raffles Bull. Zool. Supplement 14:69-76. (Ref. 57944)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)
Gevaar voor de mens
Harmless
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00240 - 0.01146), b=3.12 (2.95 - 3.29), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
