Overview

Comprehensive Description

Biology

Sexual maturity reached at 6.5-7 cm.
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Distribution

Western Indian Ocean: known only in the Red Sea, rare at the south of the Gulf of Aqaba.
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Red Sea endemic.
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Physical Description

Size

Maximum size: 120 mm SL
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Max. size

12.0 cm SL (male/unsexed; (Ref. 8525))
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Diagnostic Description

Description

Sexual maturity reached at 6.5-7 cm.
  • Anon. (1996). FishBase 96 [CD-ROM]. ICLARM: Los Baños, Philippines. 1 cd-rom pp.
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Source: World Register of Marine Species

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Color in life brownish gray with 9-13 dark brown stripes of alternating width and intensity. Dark brown spot on middle of caudal peduncle larger than pupil size and encircled with yellow. In large fish dark caudal spot may expand to form a bar around peduncle. Distinct snow white area between caudal spot (or bar) and posterior ends of body stripes. Distal part of first dorsal fin blackish. Upper- and lowermost caudal rays dusky, but not as dark as body stripes. Other fins pale with reddish hue. Snout with yellow tinge (yellow pigment may be absent altogether in large adults) (Ref 8525).
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Ecology

Habitat

Environment

reef-associated; marine
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Depth range based on 15 specimens in 1 taxon.
Water temperature and chemistry ranges based on 2 samples.

Environmental ranges
  Depth range (m): 3 - 18
  Temperature range (°C): 26.803 - 27.124
  Nitrate (umol/L): 0.047 - 0.090
  Salinity (PPS): 34.975 - 34.981
  Oxygen (ml/l): 4.666 - 4.714
  Phosphate (umol/l): 0.131 - 0.193
  Silicate (umol/l): 1.005 - 1.257

Graphical representation

Depth range (m): 3 - 18

Temperature range (°C): 26.803 - 27.124

Nitrate (umol/L): 0.047 - 0.090

Salinity (PPS): 34.975 - 34.981

Oxygen (ml/l): 4.666 - 4.714

Phosphate (umol/l): 0.131 - 0.193

Silicate (umol/l): 1.005 - 1.257
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Life History and Behavior

Life Cycle

Mouthbrooders (Ref. 240). Distinct pairing during courtship and spawning (Ref. 205).
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Conservation

Threats

Not Evaluated
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Disclaimer

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