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Acrossocheilus beijiangensis

Wu & Lin, 1977

Formerly Acrossocheilus wenchowensis beijiangensis Wu & Lin, 1977

Last revised 2026Edit this page

On this page6 sections
Subadult individual in the aquarium.
Subadult individual in the aquarium.Zhou Hang

Quick factsEdit

Max size
131mm SL5in SL
Aquarium size
not recorded
Temp
not recorded
pH
not recorded
Hardness
not recorded

Difficulty3 of 8 measures

Moderate

How the rating is worked out

Space
large tank
Water
unknown
Temp
unknown
Diet
unknown
Temperament
unknown
Social
needs to be in a group
Compatibility
fine with others

Other demands

Each of these can raise the rating on its own, whatever the measures above say.

Hardiness
unknown

Acrossocheilus beijiangensis is a barred cyprinid from Fujian, Guangdong and Guangxi in southern China, plus the islands of Hainan and Hong Kong. With A. clivosius it is one of only two species in the genus always to have five dark vertical bars on each flank. Wild fish feed on small benthic invertebrates and graze biofilm from rocks and other solid surfaces.

Etymology

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Acrossocheilus: from the Greek a- (Gr. ἀ-), meaning 'without', krossós (Gr. κροσσός), meaning 'fringe, tassel', and cheílos (Gr. χείλος), meaning 'lip', in reference to the smooth upper lip in members of this genus.

beijiangensis: named for the Bei Jiang (Bei River), type locality of the species.

Distribution

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Recorded from Fujian, Guangdong, and Guangxi provinces in southern China, plus the islands of Hainan and Hong Kong.

Type locality is 'Lian-Xian and Yang-Shan, Guangdong, China', corresponding to the Bei River drainage.

Wild fish are known to feed on small, benthic invertebrates and graze biofilm from rocks and other solid surfaces.

Notes

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The genus Acrossocheilus is restricted to southern China, northern Vietnam and northern Laos. It can be distinguished from related genera by the following combination of characters: rostral fold present; lips fleshy and continuous around corners of mouth; lower lip with a median interruption; mouth inferior; horny sheath on lower jaw; two pairs of barbels; last simple ray of dorsal fin osseous with a serrated or smooth posterior margin.

Members of the genus are characterised by possessing a particular number of dark vertical bar on each flank, and A. beijiangensis is one of only two species, the other being A. clivosius, to always possess 5 such bars.

References

  1. Wu, H-W. and R-D. Lin in: Wu, H.-W., R.-D. Lin, Q.-X. Chen, X.-L. Chen and M.-Q. He (1977). Zhongguo like yulei zhi. [The cyprinid fishes of China] Volume 2. People's Press, Shanghai, i-ii + 229-598
  2. Lan, Z.-J., B.-P. Chan and J. Zhao (2014). Acrossocheilus multistriatus, a new species of barbine fish (Teleostei: Cyprinidae) from the Zhujiang River basin, south China. Zoological Systematics 39(3), 433-441
  3. Yuan, L.-Y., Z.-Q. Wu and E. Zhang (2006). Acrossocheilus spinifer, a new species of barred cyprinid from south China (Pisces: Teleostei). Journal of Fish Biology 68 (Supplement B), 163-173