Overview

Comprehensive Description

Biology

Occurs in lagoons or bays, in passes, or on outer reef slopes; over hard substrate as well as patches of rubble or sand, usually at the base of the reef. Adults are usually in pairs and share burrow which is often under a piece of rubble or slab of coral rock. Adults feed on current-borne zooplankton as high as 3 m above the burrow; tend to remain together while feeding, separated by not more than 1-2 m. Monogamous (Ref. 52884, 48637). Juveniles occur in large groups, as many as 500. Minimum depth reported from Ref. 27115.
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Distribution

Distribution

Chagos, Mauritius, Reunion, Seychelles, South Africa (country)
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Indo-Pacific: Red Sea and East Africa to the Hawaiian, Line, Marquesan, and Society Islands, north to the Ryukyu Islands, south to Lord Howe Island; Mariana, Caroline, and Marshall Islands in Micronesia.
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Physical Description

Morphology

Dorsal spines (total): 7; Dorsal soft rays (total): 29 - 33; Analspines: 1; Analsoft rays: 27 - 30; Vertebrae: 26
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Size

Maximum size: 140 mm TL
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Max. size

14.0 cm TL (male/unsexed; (Ref. 2798))
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Diagnostic Description

Description

Occurs in lagoons or bays, in passes, or on outer reef slopes; over hard substrates as well as patches of rubble or sand, usually at the base of the reef. Adults are usually in pairs and share burrow which is often under a piece of rubble or slab of coral rock. Adults feed on current-borne zooplankton to as high as 3 m above the burrow; tend to remain together while feeding, separated by not more than 1-2 m. Juveniles occur in large groups, as many as 500.
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Light blue to pale bluish gray; upper edge of operculum with a longitudinal iridescent blue band divided into 2 sections. Caudal fin yellowish, some with an orangish streak passing anteriorly from spot; 1st dorsal fin not as high as the 2nd; 2nd dorsal and anal fins not elevated anteriorly; pelvic fins not long; base of pectoral fin usually with a blue-edged salmon-pink spot.
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Ecology

Habitat

Depth range based on 4 specimens in 1 taxon.
Water temperature and chemistry ranges based on 2 samples.

Environmental ranges
  Depth range (m): 6 - 41.5
  Temperature range (°C): 26.932 - 27.236
  Nitrate (umol/L): 0.057 - 1.279
  Salinity (PPS): 34.292 - 35.002
  Oxygen (ml/l): 4.336 - 4.676
  Phosphate (umol/l): 0.163 - 0.248
  Silicate (umol/l): 3.155 - 4.977

Graphical representation

Depth range (m): 6 - 41.5

Temperature range (°C): 26.932 - 27.236

Nitrate (umol/L): 0.057 - 1.279

Salinity (PPS): 34.292 - 35.002

Oxygen (ml/l): 4.336 - 4.676

Phosphate (umol/l): 0.163 - 0.248

Silicate (umol/l): 3.155 - 4.977
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Depth: 5 - 46m.
From 5 to 46 meters.

Habitat: reef-associated. Blacktail goby.  (Bleeker, 1855) Attains 14 cm. Indo-Pacific south to Natal in South Africa.
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Environment

reef-associated; marine; depth range 5 - 46 m (Ref. 1602), usually 5 - 15 m (Ref. 27115)
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Trophic Strategy

Adults occur in pairs, sharing the same burrow, remain together when feeding; juveniles occur in large groups & many occupy the same refuge.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Ptereleotris heteroptera

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.
 
SBF549-11|REU0782|Ptereleotris heteroptera| ---------------------------------------ACCCTTTATCTAGTATTTGGTGCTTGAGCCGGCATGGTCGGCACTGCCCTA---AGCCTGCTCATCCGAGCTGAGCTCAGCCAACCTGGCGCTCTCCTAGGAGAC---GACCAAATTTACAACGTAATCGTTACAGCCCACGCCTTTGTAATAATTTTCTTTATAGTAATGCCAATCATGATCGGCGGGTTCGGAAACTGACTCATCCCCCTAATG---ATCGGGGCGCCTGATATGGCCTTCCCTCGAATAAACAATATGAGCTTTTGACTTCTGCCCCCCTCCTTTCTTCTTCTCCTTGCCTCCTCTGGTGTCGAAGCCGGGGCGGGGACAGGGTGAACAGTCTACCCTCCCCTGGCAGGAAACCTCGCCCACGCAGGAGCATCCGTAGACCTC---ACTATCTTTTCCCTTCATCTAGCGGGAATCTCCTCAATTCTGGGAGCAATCAATTTTATTACAACGATTCTAAACATGAAGCCCCCAGCTATTTCCCAGTACCAAACGCCCCTTTTCGTGTGAGCGGTTCTAATTACCGCAGTACTTCTGCTTCTCTCTCTCCCGGTCTTAGCGGCA---GGCATCACAATGCTACTCACAGACCGAAACCTGAACACCACGTTCTTCGACCCCGCAGGTGGAGGAGACCCAATCCTCTACCAACAC----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------  
-- end --

Download FASTA File
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Statistics of barcoding coverage: Ptereleotris heteroptera

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

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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

aquarium: commercial
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