Overview

Comprehensive Description

Nangra nangra (Hamilton 1822) ZBK

Pimelodus nangra Hamilton 1822 ZBK : 193, 378, pl. 11 (fig. 63). Type locality: Ganges River at Patna , India . Neotype : CAS 96626 . Neotype designated by Roberts & Ferraris (1998).

Nangra buchanani Day 1877a ZBK : 494, pl. 113 (fig. 3). Type locality: Ganges, Jumna, and Indus rivers; Delhi , India . Syntypes and/or Day specimens : AMS B.7541 (1, syntype ) Indus River , NMW 45328 (1), RMNH 2770 (1), ZMB 18041 (1) Delhi . Apparently a replacement name for Pimelodus nangra Hamilton 1822 ZBK ; if so, the type locality is Ganges River at Patna, India. Roberts& Ferraris (1998) did not regard as a strict replacement name and consider specimens from several localities as syntypes.

Distribution: Indus, Ganges and Bramhputra drainages, Pakistan, India, Bangladesh and Nepal (Roberts & Ferraris, 1998).

  • Alfred W. Thomson, Lawrence M. Page (2006): Genera of the Asian Catfish Families Sisoridae and Erethistidae (Teleostei: Siluriformes). Zootaxa 1345, 1-96: 36-36, URL:http://www.zoobank.org/urn:lsid:zoobank.org:pub:25EFA792-7DA4-4E0D-A69A-12591B8422DE
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Nangra nangra ZBK :

Ganges drainage : FMNH 93598 (10; 27.8-30.8).

  • Alfred W. Thomson, Lawrence M. Page (2006): Genera of the Asian Catfish Families Sisoridae and Erethistidae (Teleostei: Siluriformes). Zootaxa 1345, 1-96: 95-95, URL:http://www.zoobank.org/urn:lsid:zoobank.org:pub:25EFA792-7DA4-4E0D-A69A-12591B8422DE
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Biology

Inhabits upper reaches of rivers (Ref. 41236).
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Distribution

Range Description

N. nangra occurs in Pakistan, India (in the Ganges and the Yamuna rivers), Bangladesh and Nepal.
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Asia: Pakistan, India, Bangladesh and Nepal.
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Ganges and Indus River drainagees, south-central Asia: Pakistan, India, Nepal and Bangladesh.
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Physical Description

Morphology

Dorsal spines (total): 1; Dorsal soft rays (total): 79; Vertebrae: 35 - 37
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Size

Maximum size: 55 mm TL
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Max. size

5.5 cm TL (male/unsexed; (Ref. 1479))
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Diagnostic Description

Dorsal fin typically with 8 branched rays. Anal fin with 3-4 simple rays, 9-11 branched rays. Snout moderately projecting; anterior naris origin close to snout tip (distance between anterior naris and snout tip less than eye diameter). Nasal barbel reaching at least to end of head, sometimes reaching dorsal-fin origin; maxillary barbel reaching past to adipose-fin origin; maxillary barbel membrane small, with narrow attachment to cheek only; maxillary bone long, reaching posteriorly to end of head. Vent and genital papillae near middle of pelvic fins (Ref. 40780).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
N. nangra is a demersal species, which inhabits the upper reaches of rivers.

Systems
  • Freshwater
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Environment

demersal; freshwater
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Nangra nangra

The following is a representative barcode sequence, the centroid of all available sequences for this species.


There is 1 barcode sequence available from BOLD and GenBank.

Below is the sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.

See the BOLD taxonomy browser for more complete information about this specimen.

Other sequences that do not yet meet barcode criteria may also be available.

GTATTTGGTGCCTGAGCCGGAATAGTAGGCACGGCTCTT---AGTCTACTGATCCGGGCTGAGTTAGCCCAGCCCGGAGCCTTGCTAGGCGAT---GATCAAATTTATAATGTCATCGTCACTGCCCATGCCTTTGTTATAATCTTCTTTATAGTAATGCCAATTATAATTGGTGGCTTCGGCAACTGACTCGTACCCCTGATG---ATTGGGGCTCCAGACATGGCTTTCCCTCGTATAAATAATATGAGCTTCTGACTATTGCCCCCCTCTTTCTTACTACTTCTTGCCTCCTCTGGTGTTGAAGCGGGGGCAGGTACAGGTTGAACTGTCTACCCCCCGCTAGCTGGTAATCTGGCACATGCCGGAGCCTCCGTAGATTTA---ACTATCTTCTCCCTACACCTTGCAGGTGTTTCCTCCATCCTAGGAGCTATTAACTTCATTACAACCATTATTAATATAAAACCCCCAGCAATTTCGCAATATCAAACACCCTTATTTGTGTGAGCCGTCCTAATTACAGCAGTACTACTACTACTCTCATTACCAGTGCTAGCTGCC---GGAATCACAATACTCCTTACAGACCGAAACCTAAACACAACCTTCTTTGACCCTGCAGGGGGAGGAGATCCAATTCTTTATCAA
-- end --

Download FASTA File

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Statistics of barcoding coverage: Nangra nangra

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2009

Assessor/s
Devi, R. & Boguskaya, N.

Reviewer/s
Collen, B., Darwall, W., Ram, M. & Smith, K. (SRLI Freshwater Fish Evaluation Workshop)

Contributor/s

Justification
N. nangra has been assessed as Least Concern due to its wide distribution and lack of any known major widespread threats to the species.
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Population

Population
N. nangra is reported to be a rare species in Nepal.

Molur and Walker (1998) reported a 30% decline in N. nagra in ten years, however the data behind this is not known, and no information for the most recent ten year period are available.

Population Trend
Stable
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Threats

Major Threats
Pollution and loss of habitat from anthropogenic factors are likely threats to this species.
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Least Concern (LC)
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Management

Conservation Actions

Conservation Actions
There are no conservation measures currently in place.
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: of no interest
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