Overview

Comprehensive Description

Biology

Occur in coastal waters, mainly in reef flats and shallow lagoon reefs; often in silty habitats Form schools at the surface (Ref. 9710, 48637). Usually swimming in surface waters near freshwater run-offs. Oviparous, eggs are pelagic and non-adhesive (Ref. 205). Used as live bait in pole-and-line tuna fishing (Ref. 9812).
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Distribution

Distribution

Chagos, East Africa, Madagascar, Red Sea, Seychelles, Somalia
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Source: World Register of Marine Species

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Indo-Pacific: Red Sea to the Marshall Islands, north to southern Japan, south to the southern Great Barrier Reef and New Caledonia; throughout Micronesia.
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Physical Description

Morphology

Dorsal spines (total): 4; Dorsal soft rays (total): 7 - 9; Analspines: 3; Analsoft rays: 9
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Size

Maximum size: 400 mm SL
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Max. size

40.0 cm SL (male/unsexed; (Ref. 1602))
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Diagnostic Description

Description

Occurs in coastal waters, mainly in reef flats and shallow lagoon reefs. Used as live bait in pole-and-line tuna fishing (Ref. 9812).
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Olive dorsally; silvery ventrally (Ref. 9812).
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Ecology

Habitat

Depth range based on 7 specimens in 1 taxon.
Water temperature and chemistry ranges based on 5 samples.

Environmental ranges
  Depth range (m): 0.61 - 3
  Temperature range (°C): 26.573 - 29.047
  Nitrate (umol/L): 0.054 - 0.358
  Salinity (PPS): 34.134 - 35.738
  Oxygen (ml/l): 4.517 - 4.744
  Phosphate (umol/l): 0.092 - 0.222
  Silicate (umol/l): 1.097 - 2.406

Graphical representation

Depth range (m): 0.61 - 3

Temperature range (°C): 26.573 - 29.047

Nitrate (umol/L): 0.054 - 0.358

Salinity (PPS): 34.134 - 35.738

Oxygen (ml/l): 4.517 - 4.744

Phosphate (umol/l): 0.092 - 0.222

Silicate (umol/l): 1.097 - 2.406
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Environment

reef-associated; marine; depth range 1 - ? m (Ref. 48637)
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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: of no interest; bait: usually
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Disclaimer

EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

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