Overview

Comprehensive Description

Biology

Adults are found offshore, on deep reefs or islands (Ref. 9002). Oviparous, distinct pairing during breeding (Ref. 205).
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Distribution

Range Description

This species is found in the Southwestern Pacific. It is widely distributed in cool tropical and warm temperate waters of the southern Pacific. It is known so far from off southeastern Australia, Lord Howe Island (Francis 1991), Norfolk Island, New Zealand, the Kermadec Islands (Francis et al. 1987), Rapa and Easter Island. Future collecting will likely reveal B. unimaculatus to occur at intermediate island localities. It is also reliably reported in the literature as far north as Noosa, Queensland in eastern Australia (Grant 1978) and has been collected in Port Phillip Bay, Victoria in the south.

It has been previously confused with Bodianus vulpinus,/i>, a West Australian endemic, Bodianus oxycephalus from Japan, and other similar species at Easter Island and Hawaii.
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Southeastern Indian Ocean, southwestern and South Pacific: southern Queensland to Victoria (Australia), Lord Howe Island and New Zealand east to Easter Island.
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Southwest Pacific: Australia (southern Queensland to Victoria) and New Zealand. Also Lord Howe Island, Norfolk Island and the Kermadec Islands (Ref. 8879). Previously confused with Bodianus vulpinus, a West Australian endemic, Bodianus oxycephalus from Japan, and other similar species at Easter Island and Hawaii.
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Physical Description

Size

Maximum size: 450 mm TL
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Max. size

50.0 cm TL (male/unsexed; (Ref. 89444)); 30 cm (female)
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
A large species, reaches at least 365 mm SL. It occurs at shallow depths of about 6–60 m (Doak 1972) along “broken rocky coasts” and around offshore islands. Spawning season from July- September (New Zealand) (Francis 2001).

Systems
  • Marine
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Environment

reef-associated; marine; depth range 0 - 60 m (Ref. 89444)
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Depth range based on 15 specimens in 1 taxon.
Water temperature and chemistry ranges based on 15 samples.

Environmental ranges
  Depth range (m): 43 - 112
  Temperature range (°C): 19.548 - 20.986
  Nitrate (umol/L): 0.884 - 1.693
  Salinity (PPS): 35.632 - 35.671
  Oxygen (ml/l): 4.874 - 5.040
  Phosphate (umol/l): 0.208 - 0.264
  Silicate (umol/l): 1.057 - 2.278

Graphical representation

Depth range (m): 43 - 112

Temperature range (°C): 19.548 - 20.986

Nitrate (umol/L): 0.884 - 1.693

Salinity (PPS): 35.632 - 35.671

Oxygen (ml/l): 4.874 - 5.040

Phosphate (umol/l): 0.208 - 0.264

Silicate (umol/l): 1.057 - 2.278
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Life History and Behavior

Life Cycle

Oviparous, distinct pairing during breeding (Ref. 205).
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Bodianus unimaculatus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 6
Species With Barcodes: 1
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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
Russell, B.

Reviewer/s
Sadovy, Y. & Carpenter, K.E.

Contributor/s

Justification
Population and detailed life history information are lacking for this species. There are no known major threats. It is listed as Least Concern.
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Population

Population
This species is most abundant around offshore islands and coastal headlands (Francis 2001). There is no specific population information available.

Population Trend
Unknown
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Threats

Major Threats
There are no major threats known for this species.
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Least Concern (LC)
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Management

Conservation Actions

Conservation Actions
There are no specific conservation measures in place for this species.
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Wikipedia

Red pigfish

The red pigfish, Bodianus unimaculatus, is a species of wrasse native to the southwestern Pacific Ocean from eastern Australia to New Zealand, including Lord Howe Island, Norfolk Island, and the Kermadec Islands. It inhabits reefs and offshore waters, where it occurs at depths of from the surface to 60 m (200 ft). Males of this species can reach a length of 50 cm (20 in), while females only reach 30 cm (12 in).[2]

References[edit]

  1. ^ Russell, B. 2010. Bodianus unimaculatus. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. <www.iucnredlist.org>. Downloaded on 01 November 2013.
  2. ^ Froese, Rainer and Pauly, Daniel, eds. (2013). "Bodianus unimaculatus" in FishBase. August 2013 version.
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