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Abbottina rivularis (BASILEWSKY, 1855)

Chinese False Gudgeon

SynonymsTop ↑

Gobio rivularis Basilewsky, 1855; Tylognathus sinensis Kner, 1867; Abbottina psegma Jordan & Fowler, 1903

Etymology

Abbottina: named for American businessman, politician, and philanthropist Abbott Lawrence (1792–1855).

rivularis: from the Latin rivularis, meaning ‘inhabits small brooks or rivulets’.

Classification

Order: Cypriniformes Family: Cyprinidae

Distribution

Native to continental China, the Korean peninsula, and southern Japan. Type locality is given only as ‘Lakes and rivers, northern China’, with the type series possibly originating from the Pai-ho River near Beijing.

It has been widely introduced and is considered invasive elsewhere, including the Mekong river basin (records from Laos and Thailand), Salween river (Myanmar), northern Japan, Taiwan, Turkmenistan, and Kyrgyzstan, due to contamination of translocated populations of species which are cultured for food, such as the genera Ctenopharyngodon, Hypophthalmichthys, or Parabramis.

Habitat

Primarily a benthic riverine species but has displayed ecological plasticity where it has been introduced and is now established in a number of lakes, irrigation channels, and suchlike. Apparently displays a preference for shallow, slow-to-moderately flowing, turbid conditions.

At one habitat in the Beiqiaohe River, Luozhahe River subbasin, Mekong basin, Yunxian County, Yunnan the water was turbid, had a temperature of 22 ºC at 20 cm depth, a pH of 7.6, and conductivity 70 µS/cm in January 2010. Syntopic species included Opsarius caudiocellatusSchistura latifasciataGarra mirofrontis, and Pseudorasbora parva.

Maximum Standard Length

100 – 150 mm.

Aquarium SizeTop ↑

Minimum base dimensions of 150 ∗ 45 cm are likely to be required.

Maintenance

An aquarium arranged to resemble a slowly-flowing stream or river with a substrate of variably-sized, water-worn rocks, sand, fine gravel and perhaps some small boulders should suit it best.

This can be further furnished with driftwood roots or branches, and hardy plants such as MicrosorumBolbitis or Anubias spp. can be grown attached to the décor.

Water Conditions

Temperature16 – 24 °C

pH6.0 – 8.0

Hardness36 – 268 ppm

Diet

Although it will graze algae and biofilm this species mostly feeds on invertebrates in the wild. Offer meaty foods such as live or frozen bloodworm, TubifexArtemia, chopped prawn, etc., along with good quality, sinking dried products, at least some of which should contain vegetable matter such as Spirulina.

Behaviour and CompatibilityTop ↑

Unsuitable for the general community due to its environmental requirements and likely to outcompete or intimidate slow-moving and less bold species at meal times since it’s a vigorous feeder.

Recommended tankmates include similarly-sized, robust cyprinids such as Dawkinsia, Barilius, Opsarius or larger Devario and Rasbora spp. while bottom-dwellers could consist of GarraCrossocheilusBotia and Schistura spp., for example.

Sexual Dimorphism

Adult males possess a larger dorsal-fin than females.

NotesTop ↑

This species has started to appear in the aquarium trade with relative regularity which is somewhat concerning given its invasive potential. Under no circumstances should it ever be released into natural waters outside of its native range.

Within the family Cyprinidae, Abbottina has been included in the tribe Gobionini Bleeker, 1863 alongside the genera Biwia, Gobio, GobiobotiaHuigobio, Mesogobio, Microphysogobio, Platysmacheilus, PseudogobioRomanogobio, Saurogobio, and Xenophysogobio. This hypothesis has been supported by recent molecular data.

References

  1. Basilewsky, S., 1855 - Nouveaux mémoires de la Société impériale des naturalistes de Moscou v. 10: 215-263
    Ichthyographia Chinae borealis.
  2. Kottelat, M., 2001 - WHT Publications, Colombo: 1-198
    Fishes of Laos.
  3. Kottelat, M., 2013 - The Raffles Bulletin of Zoology Supplement 27: 1-663
    The fishes of the inland waters of southeast Asia: a catalogue and core bibliography of the fishes known to occur in freshwaters, mangroves and estuaries.
  4. Neely, D. A., M. H. Sabaj Perez, and B. Mendsaikhan, 2005 - ournal of Great Lakes Research 34(2): 334-341
    First Records of Rhinogobius lindbergi (Teleostei: Gobiidae) and Abbottina rivularis (Teleostei: Cyprinidae) in the Lake Buyr Drainage, Mongolia.
  5. Tang, K. L., M. K. Agnew, W-J. Chen, M. V. Hirt, M. E. Raley, T. Sado, L. M. Schneider, L. Yang, H. L. Bart, S. He, H. Liu, M. Miya, K. Saitoh, A. M. Simons, R. M. Wood, and R. L. Mayden, 2011 - Molecular Phylogenetics and Evolution 61(1): 103-124
    Phylogeny of the gudgeons (Teleostei: Cyprinidae: Gobioninae).
  6. Vidthayanon, C. and M. Kottelat, 1995 - Japanese Journal of Ichthyology 41(4): 463-465
    First record of Abbottina rivularis (Cyprinidae: Gobioninae) from the Mekong basin.
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