Overview

Distribution

Range Description

The species was only described in 2007, based on specimens collected in 1983 from an unknown habitat in Qionghai, Hainan Island, China (Liet al.2007).
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Range Description

Macrobrachium shaoi is only known from the holotype, collected in 1997 from a tributary of the Shuangchi river in Taipei County, northern Taiwan (Cai and Jeng 2001)
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
The habitat for the species is unknown.

Systems
  • Freshwater
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Habitat and Ecology

Habitat and Ecology
The species was found in a stream.

Systems
  • Freshwater
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Depth range based on 213 specimens in 57 taxa.
Water temperature and chemistry ranges based on 14 samples.

Environmental ranges
  Depth range (m): 0 - 75
  Temperature range (°C): 14.476 - 28.954
  Nitrate (umol/L): 0.073 - 1.070
  Salinity (PPS): 34.131 - 35.587
  Oxygen (ml/l): 4.525 - 5.750
  Phosphate (umol/l): 0.110 - 0.234
  Silicate (umol/l): 0.693 - 1.579

Graphical representation

Depth range (m): 0 - 75

Temperature range (°C): 14.476 - 28.954

Nitrate (umol/L): 0.073 - 1.070

Salinity (PPS): 34.131 - 35.587

Oxygen (ml/l): 4.525 - 5.750

Phosphate (umol/l): 0.110 - 0.234

Silicate (umol/l): 0.693 - 1.579
 
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Depth range based on 2 specimens in 1 taxon.

Environmental ranges
  Depth range (m): 2 - 2
 
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Depth range based on 213 specimens in 57 taxa.
Water temperature and chemistry ranges based on 14 samples.

Environmental ranges
  Depth range (m): 0 - 75
  Temperature range (°C): 14.476 - 28.954
  Nitrate (umol/L): 0.073 - 1.070
  Salinity (PPS): 34.131 - 35.587
  Oxygen (ml/l): 4.525 - 5.750
  Phosphate (umol/l): 0.110 - 0.234
  Silicate (umol/l): 0.693 - 1.579

Graphical representation

Depth range (m): 0 - 75

Temperature range (°C): 14.476 - 28.954

Nitrate (umol/L): 0.073 - 1.070

Salinity (PPS): 34.131 - 35.587

Oxygen (ml/l): 4.525 - 5.750

Phosphate (umol/l): 0.110 - 0.234

Silicate (umol/l): 0.693 - 1.579
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Associations

Known predators

Macrobrachium (Macrobranchium) is prey of:
Charybdis orientalis
Scylla serrata
Eleotris sandwicensis
Actinopterygii

Based on studies in:
USA: Hawaii (Swamp)
Mexico: Guerrero (Brackish water)

This list may not be complete but is based on published studies.
  • A. Yanez-Arancibia, Taxonomia, ecologia y estructura de las comunidades de peces en lagunas costeras con bocas efimeras del Pacifico de Mexico. Cent. Cienc. del Mar y Limnol. Univ. Nal. Auton. Mex. Publ. Espec. 2:1-306 (1978).
  • G. E. Walsh, An ecological study of a Hawaiian mangrove swamp. In: Estuaries, G. H. Lauff, Ed. (AAAS Publication 83, Washington, DC, 1967), pp. 420-431, from p. 429.
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Known prey organisms

Macrobrachium (Macrobranchium) preys on:
Bacillariophyceae
Ulothrix
algae
detritus
micro-benthos and meio-benthos

Based on studies in:
USA: Hawaii (Swamp)
Mexico: Guerrero (Brackish water)

This list may not be complete but is based on published studies.
  • A. Yanez-Arancibia, Taxonomia, ecologia y estructura de las comunidades de peces en lagunas costeras con bocas efimeras del Pacifico de Mexico. Cent. Cienc. del Mar y Limnol. Univ. Nal. Auton. Mex. Publ. Espec. 2:1-306 (1978).
  • G. E. Walsh, An ecological study of a Hawaiian mangrove swamp. In: Estuaries, G. H. Lauff, Ed. (AAAS Publication 83, Washington, DC, 1967), pp. 420-431, from p. 429.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records:730
Specimens with Sequences:606
Specimens with Barcodes:409
Species:81
Species With Barcodes:80
Public Records:544
Public Species:77
Public BINs:76
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Statistics of barcoding coverage: Macrobrachium sp. 1

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 2
Species With Barcodes: 1
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Barcode data

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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
2013

Assessor/s
De Grave, S.

Reviewer/s
Cumberlidge, N. & Smith, K.

Contributor/s

Justification
The species was only described in 2007, based on specimens collected in 1983 from an unknown habitat in Qionghai, Hainan Island, China. The species is thus considered to be Data Deficient.
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IUCN Red List Assessment


Red List Category
DD
Data Deficient

Red List Criteria

Version
3.1

Year Assessed
2013

Assessor/s
De Grave, S. & Shy, J.

Reviewer/s
Cumberlidge, N. & Smith, K.

Contributor/s

Justification
Macrobrachium shaoi is only known from the holotype, collected in 1997 from a stream of a tributary of Shuangchi river in Taipei County, northern Taiwan (Cai and Jeng 2001). It is listed here as Data Deficient in view of the absence of further information on its extent of occurrence, ecological requirements, population size, population trends, and long-term threats.
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Population

Population
No information is available.

Population Trend
Unknown
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Population

Population
The species is only known from a single specimen.

Population Trend
Unknown
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Threats

Major Threats
The threats to the species are unknown.
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Major Threats

The threats to the species are unknown.

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Management

Conservation Actions

Conservation Actions
No specific conservation actions are in place.
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Conservation Actions

Conservation Actions

No specific conservation actions are in place.

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Wikipedia

Macrobrachium

Macrobrachium is a genus of freshwater prawns or shrimps characterised by the extreme enlargement of the second pair of pereiopods, at least in the male.[2] It contains the following species:[3]

References[edit]

  1. ^ J. W. Short (2004). "A revision of Australian river prawns, Macrobrachium (Crustacea: Decapoda: Palaemonidae)". Hydrobiologia 525 (1–3): 1–100. doi:10.1023/B:HYDR.0000038871.50730.95. 
  2. ^ Charles Spence Bate (1868). "On a new Genus, with four new Species, of Freshwater Prawns". Proceedings of the Zoological Society of London: 363–368. 
  3. ^ Charles Fransen (2012). "Macrobrachium Spence Bate, 1868a". World Register of Marine Species. Retrieved February 11, 2012. 
  4. ^ a b c d Luis M. Mejía-Ortíz & Marilú López-Mejía (2011). "Freshwater prawns of the genus Macrobrachium (Decapoda, Palaemonidae) with abbreviated development from the Papaloapan River Basin, Veracruz, Mexico: distribution and new species". Crustaceana 84 (8): 949–973. doi:10.1163/001121611X579754. 
  5. ^ Antonina dos Santos, Liliam Hayd & Klaus Anger (2013). "A new species of Macrobrachium Spence Bate, 1868 (Decapoda, Palaemonidae) M. pantanalense, from the Pantanal, Brazil". Zootaxa 3700 (4): 534–546. doi:10.11646/zootaxa.3700.4.2. 
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