Bangladesh country information

Common names: Gang tengra, গং টেংরা
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Found in rivers of Dinajpur, Rangpur, Mymensingh and Sylhet. Known from Ganges-Brahmaputra drainage (Ref. 44046). Also Ref. 4833, 39989, 40780, 41236.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/bg.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Rahman, A.K.A., 1989
National Database:

Common names from other countries

Huddah nangra, 绿南鮡, Viherperhosmonni, ... more

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Sisoridae (Sisorid catfishes) > Sisorinae
Etymology: Gogangra: Perhaps from Greek, goggros, -ou = conger; derived also from the word "goggrone, -es" = goitre + an inclusion of Latin, conger. Look at the similitude goggros/goitre !!.
More on author: Hamilton.

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

; sötvatten bottenlevande; flodvandrande (Ref. 51243). Tropical

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Asia: Indus drainage in Pakistan and Ganges-Brahmaputra drainage in India and Bangladesh. Reported from Nepal (Ref. 6351) an Bhutan (Ref. 40882).

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 10.8 cm TL hane/ej könsbestämd; (Ref. 121646); publicerad maxvikt: 13.42 g (Ref. 121646)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 1; Mjukstrålar i ryggfenan (totalt) : 6; Ryggkotor: 33 - 34. Body pale greenish or grayish overall, with vivid, almost iridescent, horizontal silvery mark in the membrane connecting the opercle to the side of the cranium. Mesethmoid not greatly expanded, its dorsal profile slightly convex, Y-shaped anteriorly. Barbels short, slender; nasal barbel very short, extending posteriorly only to end of posterior naris; maxillary and mental barbels not reaching posteriorly beyond head; maxillary-barbel membrane absent or greatly reduced; maxillary bone inside maxillary barbel very short; outer and inner mental barbels evenly and widely separated. Paired lateral cranial fontanel absent. Branchiostegal membranes free from isthmus. Anal fin with 4-6 simple rays, 7-9 branched rays (typically 5 + 8) (Ref. 40780).

Found in the upper reaches of rivers (Ref. 41236).

Life cycle and mating behavior Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Roberts, T.R., 2001. Ayarnangra estuarius, a new genus and species of sisorid catfish from the Ayeyarwaddy basin, Myanmar. Nat. Hist. Bull. Siam Soc. 49:81-87. (Ref. 44046)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 12 October 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fiskeri: kommersiell

FAO(Publication : search) | FishSource |

Ytterligare information

Trophic ecology
Födoslag
Diet compositions
Food consumptions
Food rations
Predatorer

Ecology
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Population dynamics
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Length-weight rel.
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Life cycle
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Anatomy
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Genetics
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Human related
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Vattenbruksprofiler
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Stamps, coins, misc.

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Taxonomy
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References
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Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Summary page | Point data | Populärnamn | Photos

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00741 (0.00443 - 0.01240), b=3.04 (2.90 - 3.18), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trofisk nivå (Ref. 69278): 3.2 ±0.4 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Price category (Ref. 80766): Unknown.

Gogangra viridescens (Hamilton, 1822)