Overview

Comprehensive Description

Biology

Inhabits lagoon and seaward reefs; hides in small caves and under ledges.
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Distribution

Distribution

Djibouti
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Source: World Register of Marine Species

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Indo-Pacific: Gulf of Aden to Samoa, north to southern Japan, south to Western Australia.
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Physical Description

Morphology

Dorsal spines (total): 7; Dorsal soft rays (total): 8; Analspines: 2; Analsoft rays: 7 - 8; Vertebrae: 24
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Size

Maximum size: 62 mm SL
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Max. size

10.0 cm TL (male/unsexed; (Ref. 48635))
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Diagnostic Description

Translucent when fresh with a reddish cast, overlaid with iridescence particularly on abdomen and operculum predominated by golden hues; dusky caudal fin with hyaline border; 1st and 2nd dorsal and anal fin pale to dusky or blackish, other fins are clear with pink rays. Anterior nostril without long flap. Rhomboid caudal fin. 23-24 scales in longitudinal series. Convex interorbital space. Oblique mouth. Predorsal scales 10 (9-11). This species resembles P. amblyuroptera and P. gelatinosa but has larger scales (LR
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Type Information

Paratype for Pseudamia hayashii Randall et al.
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): B. Collette et al.
Year Collected: 1979
Locality: Hawaii Islet, Marchesa Bay, Batanta Is., NW tip of Irian Jaya, Indonesia., Indonesia, Marchesa Bay, Pacific
Depth (m): 6
Vessel: Alpha Helix
  • Paratype: Randall, J. E., et al. 1985. Indo-Pacific Fishes. No. 6: 11.
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Paratype for Pseudamia hayashii Randall et al.
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer, J. Libbey, Bureau of Fisheries and Aquatic Resources (BFAR), Philippines & Silliman University Group
Year Collected: 1978
Locality: Philippine Is., Pamilacan I., Off SW Tip of Island., Philippines, Pacific
Depth (m): 33.5
  • Paratype: Randall, J. E., et al. 1985. Indo-Pacific Fishes. No. 6: 11.
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Paratype for Pseudamia hayashii Randall et al.
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer et al.
Year Collected: 1980
Locality: Ponape: (Northwest Side) Northeast of Tanak Island, Pohnpei, Micronesia, Caroline Islands, Pacific
Depth (m): 17
  • Paratype: Randall, J. E., et al. 1985. Indo-Pacific Fishes. No. 6: 11.
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Paratype for Pseudamia hayashii Randall et al.
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer, M. Gomon & Indonesians
Year Collected: 1974
Locality: Just North of Lesser Mendjangan Is., Karimundjawa Islands, Indonesia, Indonesia, Pacific
Depth (m): 18
  • Paratype: Randall, J. E., et al. 1985. Indo-Pacific Fishes. No. 6: 11.
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Paratype for Pseudamia hayashii Randall et al.
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer, J. Libbey, Bureau of Fisheries and Aquatic Resources (BFAR), Philippines & Silliman University
Year Collected: 1978
Locality: Philippine Islands, Pamilikan Island Off SW Tip of Island, Philippines, Pacific
Depth (m): 24
  • Paratype: Randall, J. E., et al. 1985. Indo-Pacific Fishes. No. 6: 11.
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Paratype for Pseudamia hayashii Randall et al.
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer, J. Libbey & et al.
Year Collected: 1978
Locality: Philippine Islands, Apo Island, Southeast Side of Island, Philippines, Pacific
Depth (m): 30
  • Paratype: Randall, J. E., et al. 1985. Indo-Pacific Fishes. No. 6: 11.
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Paratype for Pseudamia hayashii Randall et al.
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer, Smithsonian Team, Silliman Group & K. Carpenter
Year Collected: 1978
Locality: Philippine Is.: Siquijor I., W. Side, ca. 3/4 mi. South of San Juan Town., Philippines, Pacific
Depth (m): 6
  • Paratype: Randall, J. E., et al. 1985. Indo-Pacific Fishes. No. 6: 11.
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Paratype for Pseudamia hayashii Randall et al.
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer, M. Gomon & Indonesians
Year Collected: 1974
Locality: Tallabassi Bay, Just Off N.E. Tip of Big Damalawa Islet, Kabaena Island, Celebes (= Sulawesi), Big Damalawa Islet, Kabaena Island, Indonesia, Suluwesi Islands, Tallabassi Bay, Pacific
Depth (m): 2 to 15
  • Paratype: Randall, J. E., et al. 1985. Indo-Pacific Fishes. No. 6: 11.
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Paratype for Pseudamia hayashii Randall et al.
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer, Smithsonian Team, A. Alcala & Silliman Group
Year Collected: 1978
Locality: Philippines: Palawan Prov., Bararin I., W. Side (Cuyo Is.)., Palawan, Philippines, Pacific
Depth (m): 14
  • Paratype: Randall, J. E., et al. 1985. Indo-Pacific Fishes. No. 6: 11.
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Paratype for Pseudamia hayashii Randall et al.
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): R. Wass & et al.
Year Collected: 1976
Locality: American Samoa: Tutuila Island, Larsen's Bay, Tutuila, American Samoa, Samoa Islands, Pacific
Depth (m): 64 to 64
  • Paratype: Randall, J. E., et al. 1985. Indo-Pacific Fishes. No. 6: 11.
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Paratype for Pseudamia hayashii Randall et al.
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): G. Allen
Year Collected: 1972
Locality: Goodenough Island, D'Entrecasteaux Group, Near Small Island On North Coast, Papua New Guinea, Pacific
Depth (m): 12 to 12
  • Paratype: Randall, J. E., et al. 1985. Indo-Pacific Fishes. No. 6: 11.
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Ecology

Habitat

Depth range based on 17 specimens in 1 taxon.
Water temperature and chemistry ranges based on 8 samples.

Environmental ranges
  Depth range (m): 6 - 79.2
  Temperature range (°C): 28.384 - 29.205
  Nitrate (umol/L): 0.059 - 0.596
  Salinity (PPS): 32.942 - 34.644
  Oxygen (ml/l): 4.216 - 4.641
  Phosphate (umol/l): 0.071 - 0.340
  Silicate (umol/l): 1.094 - 3.389

Graphical representation

Depth range (m): 6 - 79.2

Temperature range (°C): 28.384 - 29.205

Nitrate (umol/L): 0.059 - 0.596

Salinity (PPS): 32.942 - 34.644

Oxygen (ml/l): 4.216 - 4.641

Phosphate (umol/l): 0.071 - 0.340

Silicate (umol/l): 1.094 - 3.389
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Depth: 2 - 64m.
From 2 to 64 meters.

Habitat: reef-associated. Inhabits lagoon and seaward reefs; hides in small caves and under ledges.
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Environment

reef-associated; marine; depth range 2 - 64 m (Ref. 11890)
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Trophic Strategy

Found inshore (Ref. 75154). Inhabits lagoon and seaward reefs; hides in small caves and under ledges (Ref. 526).
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Life History and Behavior

Life Cycle

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

Threats

Not Evaluated
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