Melanotaenia praecox — Details

Dwarf Rainbowfish learn more about names for this taxon

Overview

Comprehensive Description

Biology

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Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 80 cm (Ref. 51539).
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Distribution

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Asia: Mamberamo River in northern Irian Jaya, Indonesia.
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Physical Description

Morphology

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Dorsal spines (total): 5 - 7; Dorsal soft rays (total): 10 - 14; Analspines: 1; Analsoft rays: 16 - 21
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Size

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Maximum size: 50 mm SL
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Max. size

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5.0 cm SL (male/unsexed; (Ref. 2847))
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Diagnostic Description

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Develops a very deep body, particularly in males, at a remarkably small size (3.0-3.5 cm SL).
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Ecology

Habitat

Habitat and Ecology

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Systems
  • Freshwater
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Environment

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benthopelagic; freshwater
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Diseases and Parasites

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Fish tuberculosis (FishMB). Bacterial diseases
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Congenital Deformities. Others
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Life History and Behavior

Life Cycle

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Distinct pairing (Ref. 205).
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Melanotaenia praecox

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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.
 
GBGC0798-06|AY290815|Melanotaenia praecox| ---------------------------------------------------GTATTTGGTGCTTGAGCCGGAATAGTCGGTACCGCCCTA---AGCCTTCTAATTCGAGCAGAACTAAGCCAACCCGGCTCTCTCCTAGGCGAC---GACCAAATCTACAATGTAATCGTAACAGCACATGCCTTCGTAATAATTTTCTTTATAGTAATACCCATCATGATTGGAGGCTTCGGGAATTGACTAGTCCCTTTAATA---ATCGGAGCCCCCGATATAGCATTCCCCCGTATAAATAACATAAGCTTTTGACTTCTCCCCCCTTCATTTCTCCTCCTGCTTGCATCATCAGGGGTCGAAGCTGGCGCTGGAACAGGTTGAACAGTATACCCCCCTCTAGCCGGAAACTTAGCCCATGCAGGGGCATCCGTTGACCTC---ACCATTTTTTCCCTTCACCTTGCAGGTATTTCCTCAATCTTAGGTGCTATTAATTTCATTACAACAATTATCAATATAAAACCACCAGCAATTTCACAGTACCAGACACCTCTGTTTGTCTGAGCAGTCCTAATTACTGCAGTTCTTCTTCTTCTCTCTCTCCCCGTGCTAGCTGCC---GGGATCACAATACTTTTAACAGACCGAAACCTGAATACCACCTTCTTCGACCCTGCGGGAGGGGGTGATCCTATTCTCTACCAGCATCTT-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------  
-- end --

Download FASTA File
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Statistics of barcoding coverage: Melanotaenia praecox

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Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Species: 4
Species With Barcodes: 1

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Conservation

Conservation Status

IUCN Red List Assessment

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Red List Category
DD
Data Deficient

Red List Criteria

Version
2.3

Year Assessed
1996
  • Needs updating

Assessor/s
Allen, G.

Reviewer/s

History
  • 1994
    Rare
    (Groombridge 1994)
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Threats

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Data deficient (DD)
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Relevance to Humans and Ecosystems

Benefits

Importance

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fisheries: of no interest; aquarium: commercial
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Wikipedia

Dwarf rainbowfish

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The dwarf rainbowfish (Melanotaenia praecox) is a species of fish in the Melanotaeniidae family. It is endemic to West Papua in Indonesia.

A pair of male dwarf neon rainbows in a home aquarium
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References

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