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Acanthocobitis zonalternans  (Blyth, 1860)

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Acanthocobitis zonalternans
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Cypriniformes (Carps) > Nemacheilidae ()
Etymology: Acanthocobitis: Greek, akantha = thorn + Greek, kobitis, -idos = a kind of sardine; also related with the voice Greek, kobios, Latin gobius = gudgeon (Ref. 45335);  zonalternans: The specific name is derived from the Latin zonatus (girdle or a belt) and alterno, to be variegated or with two alternate colors.

Environment / Climate / Range Ecology

Freshwater; demersal; pH range: 6.8 - 7.8; dH range: 8 - 18.   Tropical; 24°C - 26°C (Ref. 13614)

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

Asia: Manipur State in India to Peninsular Thailand close to the Malay border. Collected from Brahmaputra, Chindwin, Sitang and Salween basins, and smaller streams along west coast of Peninsular Thailand, all draining to the Andaman Sea and in the Mae Khlong and Tapi basins, draining to the Gulf of Thailand. Not yet collected in the Irrawaddy, but certainly does occur there.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 7.8 cm SL male/unsexed; (Ref. 4832)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 13-15; Anal soft rays: 8. Distinguished from its congeners occurring in Indochinese area by an incomplete lateral line reaching at most above pelvic fin; suborbital flap present in males (Ref. 39226).

Biology     Glossary (e.g. epibenthic)

Found in a variety of streams from river mainstreams to small brooks. Seems to avoid mountain streams with steep gradient. Seems to prefer shallow riffles over small pebbles above which its marmorated color pattern makes it inconspicuous from the surface. Also collected on a muddy to sandy substrate with a few stones and numerous gastropod shells in depths ranging from 0.05 to 0.5 m.

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

Main reference Upload your references | References | Coordinator | Collaborators

Kottelat, M., 1990. Indochinese nemacheilines. A revision of nemacheiline loaches (Pisces: Cypriniformes) of Thailand, Burma, Laos, Cambodia and southern Viet Nam. Verlag Dr. Friedrich Pfeil, München, Germany. 262 p. (Ref. 39226)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: of no interest
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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishes of Iran | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00631 (0.00296 - 0.01347), b=3.04 (2.86 - 3.22), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  2.8   ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec < 1,000).
Vulnerability (Ref. 59153):  Low vulnerability (21 of 100) .