Overview

Comprehensive Description

Biology

Inhabits bottoms with broken coral, shell, pebbles, and gray mud. Feeds on bottom-living animals.
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Distribution

Indo-West Pacific: southern Japan to the South China Sea. Also recorded from northwestern Australia (Ref. 5978) and New Caledonia (Ref. 9824).
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Physical Description

Morphology

Dorsal spines (total): 0; Dorsal soft rays (total): 99 - 106; Analspines: 0; Analsoft rays: 76 - 83
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Size

Maximum size: 170 mm TL
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Max. size

17.0 cm TL (male/unsexed; (Ref. 9824))
  • Hensley, D.A. and K. Amaoka 2001 Bothidae. Lefteye flounders. p. 3799-3841. In K.E. Carpenter and V. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Vol. 6. Bony fishes part 4 (Labridae to Latimeriidae), estuarine crocodiles. FAO, Rome. (Ref. 9824)   http://www.fishbase.org/references/FBRefSummary.php?id=9824&speccode=10585 External link.
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Diagnostic Description

Snout sharp. Maxillary extending to below or beyond middle of lower eye. No gill rakers on upper limb. Cycloid scales on ocular side. Caudal fin having 3 simple upper and lower rays. No dark blotch on pectoral and pelvic fins. Second dorsal fin ray elongated in male.
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Type Information

Type for Arnoglossus japonicus Hubbs
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Preparation: Radiograph; Illustration
Year Collected: 1906
Locality: NE. point Yaku Shima, N. 19 degrees W., 10.7 miles. (In Colnett or Vincennes Strait)., Yaku-shima, Japan, Ryukyu Islands, East China Sea, Pacific
Depth (m): 154
Vessel: Albatross
  • Type: Hubbs, C. L. 1915. Proceedings of the United States National Museum. 48 (2082): 455.
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Paratype for Arnoglossus japonicus Hubbs
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Year Collected: 1906
Locality: Omai Saki Light, N. 18.5 degrees E., 23 miles. (Off Omai Saki Light (20 to 40 miles distant))., Honshu, Japan, Pacific
Vessel: Albatross
  • Paratype: Hubbs, C. L. 1915. Proceedings of the United States National Museum. 48 (2082): 455.
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Ecology

Habitat

Depth range based on 34 specimens in 1 taxon.
Water temperature and chemistry ranges based on 9 samples.

Environmental ranges
  Depth range (m): 154 - 914
  Temperature range (°C): 14.350 - 19.099
  Nitrate (umol/L): 3.771 - 10.727
  Salinity (PPS): 34.727 - 35.634
  Oxygen (ml/l): 4.153 - 4.431
  Phosphate (umol/l): 0.375 - 0.840
  Silicate (umol/l): 1.755 - 7.428

Graphical representation

Depth range (m): 154 - 914

Temperature range (°C): 14.350 - 19.099

Nitrate (umol/L): 3.771 - 10.727

Salinity (PPS): 34.727 - 35.634

Oxygen (ml/l): 4.153 - 4.431

Phosphate (umol/l): 0.375 - 0.840

Silicate (umol/l): 1.755 - 7.428
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Depth: 85 - 154m.
From 85 to 154 meters.

Habitat: demersal. Inhabits bottoms with broken coral, shell, pebbles, and gray mud. Feeds on bottom-living animals.
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Environment

demersal; marine; depth range 85 - 154 m (Ref. 9824)
  • Hensley, D.A. and K. Amaoka 2001 Bothidae. Lefteye flounders. p. 3799-3841. In K.E. Carpenter and V. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Vol. 6. Bony fishes part 4 (Labridae to Latimeriidae), estuarine crocodiles. FAO, Rome. (Ref. 9824)   http://www.fishbase.org/references/FBRefSummary.php?id=9824&speccode=10585 External link.
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Trophic Strategy

Inhabits bottoms with broken coral, shell, pebbles, and gray mud. Feeds on bottom-living animals.
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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: of no interest
  • Hensley, D.A. and K. Amaoka 2001 Bothidae. Lefteye flounders. p. 3799-3841. In K.E. Carpenter and V. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Vol. 6. Bony fishes part 4 (Labridae to Latimeriidae), estuarine crocodiles. FAO, Rome. (Ref. 9824)   http://www.fishbase.org/references/FBRefSummary.php?id=9824&speccode=10585 External link.
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