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Overview

Comprehensive Description

Biology

Occurs in rivers of all sizes, but mainly in smaller streams, canals and on floodplains. Occasionally found in impoundments, but usually stays in the flowing streams leading to the impoundment. Moves into seasonally inundated areas and breeds at the start of the rainy season. Young of the year appear in streams in July and August. Adults leave the floodplains when the water recedes in December or January (Ref. 12693). Captured from the wild for the ornamental fish trade in Thailand (Ref. 6459). Marketed fresh or made into prahoc along the Tonle Sap (Ref. 12693).
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Distribution

Range Description

This species was described from near Nampandet (town) which is on the western slope of the Shan plateau, Myanmar and on the border between the Salween and Ayeyarwaddy catchments so it is unclear which catchment the types came from, however other specimens found came from the Salween catchment. The species is known from the southern half of the Shan Plateau.
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Asia: Chao Phraya, Mekong and Mae Khlong basins, Malay Peninsula and Indonesia.
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Europe and Asia; introduced elsewhere.
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Physical Description

Morphology

Dorsal spines (total): 4; Dorsal soft rays (total): 8; Analspines: 2; Analsoft rays: 5
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Size

Maximum size: 250 mm TL
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Max. size

25.0 cm SL (male/unsexed; (Ref. 30857))
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Diagnostic Description

With 4 barbels (Ref. 43281); anterior maxillary ("rostral") barbels present (Ref. 12693); last simple dorsal ray osseous and serrated posteriorly; conspicuous black blotch on caudal peduncle; small, vertically elongated, black spot below dorsal origin; narrow dark band from upper extremity of gill opening to pectoral base; caudal fin orange red with a conspicuous broad black marginal stripe on each lobe; usually longitudinal rows of black spots along scale rows (Ref. 43281).
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Type Information

Type for Puntius simus
Catalog Number: USNM 119452
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Preparation: Illustration
Collector(s): H. Deignan
Year Collected: 1936
Locality: N. Siam: Huey Melin Tr. of Menam Mao, Thailand, Asia
  • Type:
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Little is known regarding the species habitat needs apart from that it inhabits rivers (not small streams), in flowing waters.

Systems
  • Freshwater
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Environment

benthopelagic; freshwater; pH range: 6.0 - 6.5; dH range: 10
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Trophic Strategy

Effects annual upstream non-reproductive and downstream reproductive migrations.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Puntius orphoides

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


No available public DNA sequences.

Download FASTA File
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Statistics of barcoding coverage: Puntius orphoides

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 6
Specimens with Barcodes: 6
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
DD
Data Deficient

Red List Criteria

Version
3.1

Year Assessed
2012

Assessor/s
Rainboth, W.

Reviewer/s
Smith, K. & Vidthayanon, C.

Contributor/s
Molur, S.

Justification
The species is likely to be under-sampled given the low level of survey effort in this part of Myanmar. The species has a relatively wide distribution (estimated 40,000 km²) however it is only known from three localities. The threats to the species and the impacts of proposed dams in the Salween catchment is unknown. The species is therefore assessed as Data Deficient.

History
  • 2010
    Least Concern
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Population

Population
There is no information on the population and its trends for this species.

Population Trend
Unknown
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Threats

Major Threats
The threats to this species are unknown, since there is little information on the biology of this species and therefore the impact of potential threats (especially those of an anthropogenic nature) remains unknown. In the Shan Plateau there are dams planned in the Salween system which may impact the species.
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Not Evaluated
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Management

Conservation Actions

Conservation Actions
More research about the distribution and the biology of this species is needed, as there is insufficient information available. Potential threats to this species also need to be identified.
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: minor commercial
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Wikipedia

Puntius orphoides

Systomus orphoides, the Javaen barb, is a species of cyprinid fish native to Southeast Asia. It can reach a length of 25 centimetres (9.8 in) SL and is of minor importance to local commercial fisheries.[1]

References [edit]

  1. ^ Froese, Rainer and Pauly, Daniel, eds. (2013). "Systomus orphoides" in FishBase. April 2013 version.
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