Overview

Comprehensive Description

Biology

Lives in association with the blue coral Heliopora coerulea (Ref. 34765).
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Distribution

Indo-Pacific: Amirante Islands to Kiribati, north to the Ryukyu Islands, south to Scott Reef in the eastern Indian Ocean and the northern Great Barrier Reef.
  • Myers, R.F. 1999 Micronesian reef fishes: a comprehensive guide to the coral reef fishes of Micronesia, 3rd revised and expanded edition. Coral Graphics, Barrigada, Guam. 330 p. (Ref. 37816)
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Indo-West Pacific.
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Physical Description

Morphology

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 7 - 9; Analspines: 1; Analsoft rays: 8 - 9
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Size

Max. size

2.2 cm TL (male/unsexed; (Ref. 90102))
  • Allen, G.R. and M.V. Erdmann 2012 Reef fishes of the East Indies. Perth, Australia: Universitiy of Hawai'i Press, Volumes I-III. Tropical Reef Research. (Ref. 90102)
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Diagnostic Description

Characterized by translucent head and body with overall brown to bluish hue, blending in well with background; longitudinal scale series 22-25; nape without scales; restricted gill opening to base of pectoral fin or slightly forward of base; relatively deep bodied, depth of body at anus 3.8-6.9 in SL (Ref 90102).
  • Allen, G.R. and M.V. Erdmann 2012 Reef fishes of the East Indies. Perth, Australia: Universitiy of Hawai'i Press, Volumes I-III. Tropical Reef Research. (Ref. 90102)
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Type Information

Paratype for Pleurosicya coerulea Larson
Catalog Number: USNM 209600
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer & M. Gomon
Year Collected: 1973
Locality: Point East of Tandjung Naira, Haruku Island., Indonesia, Moluccas, Pacific
Depth (m): 8
  • Paratype: Larson, H. K. 1990. The Beagle, Records of the Northern Territory Museum of Arts and Sciences. 7 (1): 20.
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Paratype for Pleurosicya coerulea Larson
Catalog Number: USNM 306883
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Brock & E. Herald
Year Collected: 1946
Locality: Marshall Islands: Rongelap Atoll at north end of Kieshiechi Island, lagoon side. A single coral head approximately 10 ft in diameter and 8 feet high (depth 20 feet)., Rongelap Atoll, Ralik Chain, Marshall Islands, Pacific
Depth (m): 6 to 6
  • Paratype: Larson, H. K. 1990. The Beagle, Records of the Northern Territory Museum of Arts and Sciences. 7 (1): 20.
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Paratype for Pleurosicya coerulea Larson
Catalog Number: USNM 306884
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): L. Schultz, V. Brock & R. Hiatt
Year Collected: 1947
Locality: Marshall Islands: Bikini Atoll: lagoon side reef halfway between Bikini and Amen Islands., Bikini Atoll, Ralik Chain, Marshall Islands, Pacific
Depth (m): 3
  • Paratype: Larson, H. K. 1990. The Beagle, Records of the Northern Territory Museum of Arts and Sciences. 7 (1): 20.
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Ecology

Habitat

Environment

reef-associated; marine; depth range 1 - 10 m (Ref. 90102)
  • Allen, G.R. and M.V. Erdmann 2012 Reef fishes of the East Indies. Perth, Australia: Universitiy of Hawai'i Press, Volumes I-III. Tropical Reef Research. (Ref. 90102)
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Depth range based on 16 specimens in 1 taxon.
Water temperature and chemistry ranges based on 13 samples.

Environmental ranges
  Depth range (m): 1 - 8
  Temperature range (°C): 22.496 - 29.336
  Nitrate (umol/L): 0.050 - 0.617
  Salinity (PPS): 33.821 - 35.552
  Oxygen (ml/l): 4.450 - 5.079
  Phosphate (umol/l): 0.085 - 0.223
  Silicate (umol/l): 1.097 - 3.061

Graphical representation

Depth range (m): 1 - 8

Temperature range (°C): 22.496 - 29.336

Nitrate (umol/L): 0.050 - 0.617

Salinity (PPS): 33.821 - 35.552

Oxygen (ml/l): 4.450 - 5.079

Phosphate (umol/l): 0.085 - 0.223

Silicate (umol/l): 1.097 - 3.061
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Conservation

Threats

Not Evaluated
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