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Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Oreonectes: Greek, oreos = mountain + Greek, nekton = swimmer (Ref. 45335); guidongensis: Name 'guidongensis' from the type locality of the species, eastern region of Guangxi, China.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water demersaal. Subtropical
Asia: China.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 6.0 cm SL mannelijk / geslacht onbekend; (Ref. )
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale zachte stralen (totaal) : 7; Anale zachte stralen: 5. This species is distinguished from its congeners by the following set of characters: well-developed posterior chamber of air bladder; 6 branched pelvic-fin rays; 7 branched dorsal-fin rays; 10 inner gill rakers on the first gill arch; tip of pelvic fin not reaching the anus; distance between the posterior base of the pectoral fin and the anterior base of the pelvic fin is 18.8-27.9% of standard length; and 5 supratemporal pores (Ref. 138061)
Body shape (shape guide): elongated; Cross section: oval.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Liao, M.,, J. Yu, T. Luo, C.-T. Lan, J.-J. Zhou, N. Xiao and J. Zhou, 2025. Description of a new species from eastern Guangxi within the Oreonectes polystigmus complex (Cypriniformes, Nemacheilidae) by integrating morphological and genetic evidence. Zoosyst. Evol. 101(4):1763-1774. (Ref. 138061)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00352 - 0.01491), b=3.01 (2.84 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.8 ±0.3 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Kwetsbaarheid van de visserij (Ref.
59153): Low vulnerability (10 of 100).
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