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Helicophagus leptorhynchus Ng and Kottelat, 2000
Life   Vertebrata   Fish   Pangasiidae   Helicophagus


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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Helicophagus&speciesname=leptorhynchus ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Helicophagus&speciesname=leptorhynchus
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Helicophagus leptorhynchus
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Helicophagus leptorhynchus Ng & Kottelat , 2000

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Pictures | Google image Image of Helicophagus leptorhynchus Helicophagus leptorhynchus
Picture by Panitvong, N.

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

Teleostei (teleosts) > Siluriformes (Catfishes) > Pangasiidae (Shark catfishes)
Etymology: Helicophagus: Greek, helike = spiral + Greek, phagein = to eat (Ref. 45335 ) .
More on authors: Ng & Kottelat .

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

Freshwater; demersal. Tropical

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

Asia: Chao Phraya and Mekong River drainages in Indochina.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 47.2 cm SL male/unsexed; (Ref. 43281 )

Short description Morphology | Morphometrics

Dorsal spines (total): 1; Dorsal soft rays (total): 6-7; Anal soft rays : 35 - 42; Vertebrae : 46 - 48. Can be differentiated from all its congeners by the following combination of characters: length of anal-fin base 34.5-38.2% SL, length of caudal peduncle 12.9-15.3% SL, head length 20.8-22.8% SL, eye diameter 16.1-21.2% HL, 9-12 gill rakers on the first branchial arch (Ref. 39387 ). Snout relatively elongate, conical in dorsal view; mouth narrow, with 20-25 times in SL; posterior nostril midway between anterior nostril and eye (Ref. 43281 ).

Biology     Glossary (e.g. epibenthic)

Occurs in permanent river channels and does not move into flooded areas. Migrates upstream when water levels begin to rise at the beginning of the flood season and moves downstream as the water clears at the end of the flood season. Feeds predominantly on bivalves.

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

Main reference Upload your references | References | Coordinator | Collaborators

Ng, H.H. and M. Kottelat , 2000. Helicophagus leptorhynchus , a new species of molluscivorous catfish from Indochina (Teleostei: Pangasiidae). Raffles Bull. Zoll. 48(1):55-58. (Ref. 39387 )

IUCN Red List Status (Ref. 130435 )

  Data deficient (DD)  ; Date assessed: 20 October 2011

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes : genus , species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome , nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00457 (0.00217 - 0.00962), b=3.09 (2.90 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic level (Ref. 69278 ):  2.8   ±0.4 se; based on size and trophs of closest relatives Fishing Vulnerability (Ref. 59153 ):  Moderate vulnerability (43 of 100).

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Updated: 2024-03-28 18:02:13 gmt
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