Overview

Comprehensive Description

Biology

Adults inhabit inshore reef areas mainly on dead coral (Ref. 7247). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
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Distribution

Range Description

Pomacentrus milleri occurs off northern Australia from Rottnest Island to the Gulf of Carpentaria.
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Eastern Indian Ocean: northern Australia, from Rottnest Island (off Perth) to Arnhem Land, Northern Territory.
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Australia.
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Physical Description

Morphology

Dorsal spines (total): 13 - 14; Dorsal soft rays (total): 13 - 14; Analspines: 2; Analsoft rays: 13 - 14
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Size

Maximum size: 75 mm SL
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Max. size

7.5 cm SL (male/unsexed; (Ref. 7247))
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Type Information

Paratype for Pomacentrus milleri
Catalog Number: USNM 173627
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): R. Miller et al.
Year Collected: 1948
Locality: Australia: Northern Territory, coral and ironstone reefs between point east of Yirrkala and a small island - near Cape Arnhem, Arnhem Land., Northern Territory, Australia, Gulf of Carpentaria, Pacific
  • Paratype:
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Paratype for Pomacentrus milleri
Catalog Number: USNM 173623
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): R. Miller et al.
Year Collected: 1948
Locality: Australia: Northern Territory, East Point reef, +/- 6 miles NNW of Darwin., Northern Territory, Australia, Timor Sea, Indian
Depth (m): 0.5
  • Paratype:
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Paratype for Pomacentrus milleri
Catalog Number: USNM 173626
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): R. Miller et al.
Year Collected: 1948
Locality: Australia: Northern Territory, coral and ironstone reefs at Yirrkala - near Cape Arnhem, Arnhem Land., Northern Territory, Australia, Gulf of Carpentaria, Pacific
  • Paratype:
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Paratype for Pomacentrus milleri
Catalog Number: USNM 173624
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): R. Miller et al.
Year Collected: 1948
Locality: Australia: Northern Territory, coral reefs at Yirrkala - near Cape Arnhem, Arnhem Land., Northern Territory, Australia, Gulf of Carpentaria, Pacific
Depth (m): 1
  • Paratype:
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Paratype for Pomacentrus milleri
Catalog Number: USNM 173625
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): R. Miller
Year Collected: 1948
Locality: Australia: Northern Territory, coral reefs at Yirrkala - near Cape Arnhem, Arnhem Land., Northern Territory, Australia, Gulf of Carpentaria, Pacific
  • Paratype:
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Pomacentrus milleri inhabits inshore rock and coral reefs mainly on rocky substrates. This species has been found to a depth of 6 m.

Systems
  • Marine
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Environment

reef-associated; non-migratory; marine; depth range 1 - 6 m (Ref. 7247)
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Depth range based on 1 specimen in 1 taxon.

Environmental ranges
  Depth range (m): 0.25 - 0.25
 
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Depth: 1 - 6m.
From 1 to 6 meters.

Habitat: reef-associated. Inhabits inshore reef areas mainly on dead coral.
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Trophic Strategy

Inhabits inshore reef areas mainly on dead coral (Ref. 7247).
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Life History and Behavior

Life Cycle

Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
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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
Allen, G.R. & Larson, H.K.

Reviewer/s
Collen, B., Richman, N., Beresford, A., Chenery, A. & Ram, M.

Contributor/s
De Silva, R., Milligan, H., Lutz, M., Batchelor, A., Jopling, B., Kemp, K., Lewis, S., Lintott, P., Sears, J., Wilson, P., Smith, J. & Livingston, F.

Justification
Pomacentrus milleri has been assessed as Least Concern. This species has been described as abundant in areas of its range and is known from a number of marine protected areas where it affords protection from anthropogenic threats such as fishing. There are no known major threats currently impacting the population of this species.
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Population

Population
Pomacentrus milleri was found to be one of the most abundant Pomacentrus species in a survey of the Jurien Bay Marine Park (Potter et al. 2006). It is one of the most common pomacentrids along the west Australian coast (G.R. Allen pers. comm. 2009).

Population Trend
Unknown
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Threats

Major Threats
Species within the genus Pomacentrus are often utilised for the aquarium trade, however there is no record of this species being harvested for the trade.

A study by Watson et al. 2007 found that even if not directly targeted, the abundance of this species was altered by fishing activity within its region by altering the community species composition. This is not considered a major threat to this species as fishing activity is not known across this species entire range.
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Least Concern (LC)
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Management

Conservation Actions

Conservation Actions
There are no known species-specific conservation measures in place for this species. However, this species is found to occur in a number of marine protected areas around the west and north coast of Australia.
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