Opsariichthys rubriventris

Opsariichthys rubriventris Chen, Li, Zhou & Wang, 2024

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Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Cypriniformes (Carps) > Xenocyprididae (East Asian minnows)
Etymology: Opsariichthys: Greek, opsarion, -ou = a little portion fish + Greek, ichthys = fish (Ref. 45335); rubriventris: Name 'rubriventris' from Latin words 'ruber' and 'venter', meaning 'red' and 'belly', in reference to the red belly of the mature males.

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

Freshwater; benthopelagic. Subtropical

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Asia: China.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 8.2 cm SL male/unsexed; (Ref. 137452)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 7; Anal soft rays: 9 - 11. This species is distinguished by the following set of characters: absence of maxillary barbels; absence of anterior notch at the tip of the upper lip; lateral line scales 39-43; predorsal scales 13-14; narrow body width; lower jaw protrudes slightly beyond the front of the snout; 2 rows of pearl organs of the cheek, and the pearl organs are cone?shaped; the pectoral fins of adult males do not extend to the origin of the pelvic fins; adult males have significant nuptial coloration; the lower jaw and ventral side are orange?red; the envelope of the first six rays of the anal fin of adult males, females, and juveniles is orange red, and the remaining rays gradually become colorless (Ref. 137452).
Body shape (shape guide): fusiform / normal; Cross section: oval.

Biology     Glossary (e.g. epibenthic)

This species is found in streams at elevations of 200-220 meters, characterized by clear, moderate flowing water, with temperatures ranging from of 22-23°C and a substrate composed of small to medium‑sized granite, boulders, sand or gravel (Ref. 137452).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Chen, J.-B., Y.-T. Li, J.-J. Zhou, C. Li, G.-X. Weng, H.-D. Lin and J.-J. Wang, 2024. A new species of cyprinid genus Opsariichthys (Teleostei: Cyprinidae) from the Pearl River, Southern China. Diversity 16(10):596. (Ref. 137452)

IUCN Red List Status (Ref. 130435: Version 2025-2)

Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: of no interest
FAO - Publication: search | FishSource |

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search |