Scarus obishime — Details

Yellowtail Parrotfish learn more about names for this taxon

Overview

Comprehensive Description

Biology

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Usually seen at depths of 25 m or more. Feeds on benthic algae during daytime.
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Distribution

Range Description

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This species is known only from the Ogasawara Islands, Japan.
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Northwest Pacific: Ogasawara Islands in Japan.
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Physical Description

Size

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Maximum size: 700 mm SL
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Max. size

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70.0 cm SL (male/unsexed; (Ref. 8990))
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Type Information

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Paratype for Scarus obishime Randall & Earle
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): J. Randall
Year Collected: 1990
Locality: Ogasawara Islands, Chichi-Jima, Miyanohama. Speared., Japan, Bonin Islands (Ogasawara Islands), Pacific
Depth (m): 3 to 12
  • Paratype: Randall, J. E. & Earle, J. L. 1993. Japanese Journal of Ichthyology. 39 (4): 288, figs 1,2.
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Ecology

Habitat

Habitat and Ecology

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Habitat and Ecology
This species inhabits rocky and coral-encrusted slopes from depths of 3-55 m, usually below 25 m. It feeds on benthic algae.

Systems
  • Marine
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Depth range based on 1 specimen in 1 taxon.
Water temperature and chemistry ranges based on 1 sample.

Environmental ranges
  Depth range (m): 3.5 - 3.5
  Temperature range (°C): 24.203 - 24.203
  Nitrate (umol/L): 0.350 - 0.350
  Salinity (PPS): 34.769 - 34.769
  Oxygen (ml/l): 4.932 - 4.932
  Phosphate (umol/l): 0.056 - 0.056
  Silicate (umol/l): 2.718 - 2.718
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Source: Ocean Biogeographic Information System

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Depth: 3 - 55m.
From 3 to 55 meters.

Habitat: reef-associated. Usually seen at depths of 25 m or more. Feeds on benthic algae during daytime.
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Environment

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reef-associated; marine; depth range 3 - 55 m
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Trophic Strategy

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Usually seen at depths of 25 m or more. Feeds on benthic algae during daytime.
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Conservation

Conservation Status

IUCN Red List Assessment

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Red List Category
DD
Data Deficient

Red List Criteria

Version
3.1

Year Assessed
2010

Assessor/s
Myers, R., Choat, J.H., Russell, B., Clements, K.D., Rocha, L.A., Lazuardi, M.E., Muljadi, A., Pardede, S. & Rahardjo, P.

Reviewer/s
McIlwain, J. & Craig, M.T.

Contributor/s

Justification
This species is found only in Ogasawara Islands, Japan. There is no information available on its population status, life history or records of it being utilized. It is therefore listed as Data Deficient.
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Population

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Population
There is no population information available for this species.

Population Trend
Unknown
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Threats

Threats

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Major Threats
Major storm events could be a potential threat due to its limited distribution.
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Data deficient (DD)
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Management

Conservation Actions

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Conservation Actions
There are no species-specific conservation measures in place for this species. However, its range of distribution is a designated marine protected area.
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