Overview

Comprehensive Description

Biology

Inhabits reef crevices in 0-20 m (Ref. 90102).
  • Randall, J.E. and K.K.P. Lim (eds.) 2000 A checklist of the fishes of the South China Sea. Raffles Bull. Zool. Suppl. (8):569-667. (Ref. 36648)
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Distribution

Western Pacific: Taiwan, Philippines, Australia.
  • 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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West Pacific.
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Physical Description

Morphology

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

Max. size

1.6 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 semi-translucent yellowish body color; white dorsally on head and nape; presence of five diffuse, internal brownish bars on side of body from level of first dorsal fin to caudal peduncle; short brown saddles sometimes evident along back; median fins orange with broad white margins; sometimes with elongate first dorsal spine, all soft dorsal rays unbranched; very elongate fourth pelvic ray; unbranched fifth pelvic ray, 15% length of fourth pelvic ray; lateral scale series 23; cheek and opercle without scales; depth of body 4.9-5.6 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 Trimmatom macropodus Winterbottom
Catalog Number: USNM 293529
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer & J. Choat
Year Collected: 1968
Locality: Rocky shore just south of Chin-chiao-wan, South end of Taiwan, Taiwan, Pacific
Depth (m): 6
  • Paratype: Winterbottom, R. 1989. Canadian Journal of Zoology. 67 (10): 2404.
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Ecology

Habitat

Environment

reef-associated; marine; depth range 0 - 20 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 5 specimens in 1 taxon.
Water temperature and chemistry ranges based on 5 samples.

Environmental ranges
  Depth range (m): 2 - 8.4
  Temperature range (°C): 26.957 - 28.897
  Nitrate (umol/L): 0.068 - 0.617
  Salinity (PPS): 33.821 - 35.000
  Oxygen (ml/l): 4.450 - 4.626
  Phosphate (umol/l): 0.108 - 0.284
  Silicate (umol/l): 1.225 - 4.892

Graphical representation

Depth range (m): 2 - 8.4

Temperature range (°C): 26.957 - 28.897

Nitrate (umol/L): 0.068 - 0.617

Salinity (PPS): 33.821 - 35.000

Oxygen (ml/l): 4.450 - 4.626

Phosphate (umol/l): 0.108 - 0.284

Silicate (umol/l): 1.225 - 4.892
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Conservation

Threats

Not Evaluated
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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