Epalzeorhynchos frenatus  (Fowler, 1934)

Rainbow sharkminnow
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Epalzeorhynchos frenatus
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > No subfamily
Etymology: Epalzeorhynchos: Greek, epalzes, -es, -es = curative + Greek, rhyngchos = snout.

Environment / Climate / Range Ecology

Freshwater; benthopelagic; pH range: 6.0 - 8.0; dH range: 5 - 12.   Tropical; 24°C - 27°C (Ref. 30491)

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm TL male/unsexed; (Ref. 1672)

Short description Morphology | Morphometrics

Has a greenish brown body with a large black blotch at the base of the caudal fin (Ref. 27732). Dorsal, anal and pelvic fins red with slightly dusky black color; 10-11 branched dorsal rays; 40-45 gill rakers on anterior side of first arch (Ref. 12693).

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: Mekong, Chao Phraya and Xe Bangfai basins (Ref. 27732) and Maeklong basin (Ref. 28024).

Biology     Glossary (e.g. epibenthic)

Observed over sandy substrate (Ref. 27732). Found near any type of solid surface at midwater and bottom depths in streams and rivers. Moves into seasonally flooded habitats and returns to the rivers as floodwaters recede. Feeds on algae, periphyton, phytoplankton and some zooplankton. Popular in aquarium trade (Ref. 12693). Aquarium keeping: minimum aquarium size 120 cm (Ref. 51539).

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

Main reference Upload your references | References | Coordinator | Collaborators

Kottelat, M., 1998. Fishes of the Nam Theun and Xe Bangfai basins, Laos, with diagnoses of twenty-two new species (Teleostei: Cyprinidae, Balitoridae, Cobitidae, Coiidae and Odontobutidae). Ichthyol. Explor. Freshwat. 9(1):1-128. (Ref. 27732)

IUCN Red List Status (Ref. 96402)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Aquarium: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

Alien/Invasive Species database | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | Public aquariums | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00201 - 0.01247), b=3.08 (2.87 - 3.29), based on LWR estimates for this Subfamily-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  2.3   ±0.18 se; Based on food items.
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .
Price category (Ref. 80766):   Unknown.