Overview

Comprehensive Description

Biology

Found in sheltered inner reefs amongst broken coral and rubble. Usually seen in less than 10 m depth, staying well hidden in reefs, but sometimes swimming amongst the long-spined Diadema urchins or in thick algae coverage (Ref. 48636).
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Distribution

Range Description

This species is found from the Philippines to Indonesia, Malaysia, and Palau (Myers 1999). Records from the Solomon Islands and Papua New Guinea are questionable.
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Western Central Pacific: Indonesia, Philippines, Solomon Islands, New Guinea and Palau.
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Western Pacific.
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Physical Description

Morphology

Dorsal spines (total): 9; Dorsal soft rays (total): 910
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Size

Maximum size: 57 mm SL
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Max. size

9.0 cm TL (male/unsexed; (Ref. 48636))
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Diagnostic Description

This species differs from P. cryptus by having a concave rather than straight dorsal head profile, a higher modal gill raker count, and a series of five well-defined dark brown spots on the mid lateral line (these spots may be present on some P. cryptus, but are never well-defined). Best identified by the thin white barring on dorsal fin and upper sides (Ref. 48636). SL to 57 mm.
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Type Information

Paratype for Duymaeria guttata
Catalog Number: USNM 93625
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Year Collected: 1908
Locality: Cebu Market, Cebu Island, Cebu, Philippines, Philippine Archipelago, Pacific
Vessel: Albatross
  • Paratype:
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Type for Duymaeria guttata
Catalog Number: USNM 89969
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Year Collected: 1908
Locality: Off Western Samar; Catbalogan, Catbalogan, Samar Island, Samar, Philippines, Pacific
Vessel: Albatross
  • Type:
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Paratype for Duymaeria guttata
Catalog Number: USNM 93626
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Year Collected: 1908
Locality: Port Uson, West Coast of Pinas Island; Busuanga Island, Pinas Island, Philippines, Philippine Archipelago, Pacific
Vessel: Albatross
  • Paratype:
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species is reef-associated. It is found in sheltered inner reefs amongst broken coral and rubble. It is usually seen in less than 10 m depth, staying well hidden in reefs, but sometimes swimming amongst the long-spined Diadema urchins or in thick algae coverage (Kuiter and Tonozuka 2001).

The maximum size recorded in Palau was 5.7 cm (Myers, 1999) but has been noted to 9 cm TL (Kuiter and Tonozuka 2001).

Systems
  • Marine
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Environment

reef-associated; marine
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Depth range based on 6 specimens in 1 taxon.
Water temperature and chemistry ranges based on 3 samples.

Environmental ranges
  Depth range (m): 2 - 6
  Temperature range (°C): 28.954 - 28.954
  Nitrate (umol/L): 0.099 - 0.099
  Salinity (PPS): 34.131 - 34.131
  Oxygen (ml/l): 4.525 - 4.525
  Phosphate (umol/l): 0.113 - 0.113
  Silicate (umol/l): 1.579 - 1.579

Graphical representation

Depth range (m): 2 - 6
 
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2010

Assessor/s
Sadovy, Y.

Reviewer/s
Craig, M.T. & Carpenter, K.E.

Contributor/s

Justification
This species is wide-ranging, and inhabits shallow-water. It may be utilized in the aquarium trade. It is a small cryptic species that lives in a variety of habitats and therefore is listed as Least Concern.
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Population

Population
There is no population information available for this species.

Population Trend
Unknown
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Threats

Major Threats
There are no major threats known for this species. There is some minor collection for the aquarium trade as indicated by aquarium trade websites.
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Least Concern (LC)
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Management

Conservation Actions

Conservation Actions
There are no species-specific conservation measures in place for this species. However, its distribution overlaps several marine protected areas within its range.
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