Viet Nam country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from the Red River drainage (Ref. 37037). Also Ref. 43281, 44416.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/vm.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Ng, H.H. and M. Kottelat, 2000
National Database:

Common names from other countries

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Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Sisoridae (Sisorid catfishes) > Sisorinae
Etymology: Bagarius: From the local name Vaghari, in Calcuta (Ref. 45335); rutilus: From the Latin rutilus, meaning red, a reference to the orange fins in life and an allusion to the type locality (Red river)..
More on authors: Ng & Kottelat.

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

; Γλυκού νερού βενθικό(ς). Tropical

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Point map | Εισαγωγές | Faunafri

Asia: Nam Xam and Nam Ma basins in Laos and Red River basin in Viet Nam and Yunnan, China.

Μέγεθος / Βάρος / Age

Maturity: L_m ? range ? - ? cm
Max length : 100.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 43281)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά) : 1; Μαλακές ραχιαίες ακτίνες (συνολικά) : 6; Μαλακές εδρικές ακτίνες: 12 - 13; Σπόνδυλοι: 42 - 43. Can be differentiated from its congeners in the combination of following characters: skin heavily keratinized, cranium and interneural covered with numerous large, elongate tubercles, supraoccipital and interneural without sharp ridges, skin above neural spines anterior and posterior to adipose fin never forming distinct ridges, slender elongate neural spines, elliptical eyes, body depth at anus 11.0-12.3 %SL, head width 20.3-21.7 %SL, snout length 51.4-54.7 %HL, eye diameter 4.1-8.1 %HL; 12-13 pectoral-fin rays; caudal fin with 8-9 rays; 23-24 preanal vertebrae; adipose fin with short base and angular dorsal margin; dark yellow on dorsal and lateral surfaces of head and body, fading to light yellow on ventral region; dorsal surfaces of head and body with three darkly pigmented (brown) bands or blotches; a few small brown spots irregularly distributed throughout lighter parts of body; light yellow fins with a variable pattern of small brown spots distributed irregularly, orange fins in life (Ref. 37037). Adipose origin in front or above anal fin origin; longitudinal diameter of eye 12-24 times in HL (Ref. 43281).

Life cycle and mating behavior Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

Ng, H.H. and M. Kottelat, 2000. Descriptions of three new species of catfishes (Teleostei: Akysidae and Sisoridae) from Laos and Vietnam. J. South Asian Nat. Hist. 5(1):7-15. (Ref. 37037)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 21 July 2011

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FishSource |

Περισσότερες πληροφορίες

Trophic ecology
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Ecology
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Population dynamics
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Length-weight rel.
Length-length rel.
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Life cycle
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Human related
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Ciguatera cases
Stamps, coins, misc.

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Summary page | Σημειακά στοιχεία | Κοινά ονόματα | Photos

Διαδικτυακές πηγές

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00676 (0.00307 - 0.01489), b=3.01 (2.83 - 3.19), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Τροφικό Επίπεδο (Ref. 69278): 3.6 ±0.6 se; based on size and trophs of closest relatives

Ελαστικότητα (Ref. 120179): Πολύ χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού > 14 έτη (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): High to very high vulnerability (73 of 100).

Bagarius rutilus Ng & Kottelat, 2000