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Overview

Comprehensive Description

Biology

Adults inhabit mangroves, estuaries, lower reaches of freshwater streams, and harbors with freshwater discharge. Also found in pure fresh water, but always within a few kilometers of the sea (Ref. 2847). They occur in brackish waters of coastal embayments and mangrove estuaries (Ref. 44894). Spawning may take place in both brackish and fresh waters (Ref. 2847). 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

This species is found at the continental margin of Indian Ocean and western Pacific including East Africa from Mozambique northwards, India, Sri Lanka, countries bordering South China Sea, Indonesia, Philippines, Palau, Papua New Guinea, Solomon Islands, Vanuatu, New Caledonia, and northeastern Australia. It has also been reported from Taiwan (Shen 1993).
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Indo-West Pacific.
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Indo-West Pacific: East Africa to Indonesia and the Solomon Islands, north to the Philippines, south to northern Australia and Vanuatu. Reported from Taiwan (Ref. 5193).
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Physical Description

Morphology

Dorsal spines (total): 13; Dorsal soft rays (total): 11 - 12; Analspines: 2; Analsoft rays: 11 - 12
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Size

Maximum size: 85 mm SL
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Max. size

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

Description

Inhabits mangroves, estuaries, lower reaches of freshwater streams, and harbors with freshwater discharge.
  • Anon. (1996). FishBase 96 [CD-ROM]. ICLARM: Los Baños, Philippines. 1 cd-rom pp.
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Type Information

Type for Neopomacentrus taeniurus
Catalog Number: USNM 49706
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): P. Jouy
Locality: Yokohama, Japan, Honshu, Kanagawa Prefecture, Japan, Pacific
  • Type:
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species inhabits mangroves, estuaries, lower reaches of freshwater streams, and harbours with freshwater discharge. It is also found in pure fresh water, but is always within a few kilometres of the sea (Allen 1991). It occurs in brackish waters of coastal embayments and mangrove estuaries (Allen et al. 2002). Spawning may take place in both brackish and fresh waters (Allen 1991). This species feeds on zooplankton. In Tonga, during a survey of the area, only one member of this species was recorded. It was found on a fringing reef in association with high coral and low algal cover at a depth of 4.1 m. In New Caledonia, this species is common on fringing reefs, but is extremely rare on inner barrier reefs. It is associated with very low coral and very high algal cover at an average depth of 2 m (Mellin et al. 2006).

Systems
  • Freshwater
  • Marine
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Depth: 0 - 3m.
Recorded at 3 meters.

Habitat: demersal.
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Environment

demersal; freshwater; brackish; marine; depth range 0 - 3 m (Ref. 7247)
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Depth range based on 14 specimens in 1 taxon.
Water temperature and chemistry ranges based on 4 samples.

Environmental ranges
  Depth range (m): 1 - 18
  Temperature range (°C): 28.103 - 28.954
  Nitrate (umol/L): 0.099 - 0.862
  Salinity (PPS): 32.276 - 37.566
  Oxygen (ml/l): 4.149 - 4.525
  Phosphate (umol/l): 0.113 - 0.380
  Silicate (umol/l): 1.579 - 6.058

Graphical representation

Depth range (m): 1 - 18

Temperature range (°C): 28.103 - 28.954

Nitrate (umol/L): 0.099 - 0.862

Salinity (PPS): 32.276 - 37.566

Oxygen (ml/l): 4.149 - 4.525

Phosphate (umol/l): 0.113 - 0.380

Silicate (umol/l): 1.579 - 6.058
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Trophic Strategy

Occurs inshore (Ref. 75154). Inhabits mangroves, estuaries, lower reaches of freshwater streams, and harbors with freshwater discharge. Also found in pure fresh water, but always within a few kilometers of the sea (Ref. 2847).
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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
DD
Data Deficient

Red List Criteria

Version
3.1

Year Assessed
2012

Assessor/s
Jenkins, A., Myers, R. & Rocha, L.A.

Reviewer/s
Harwell, H. & Pippard, H.

Contributor/s

Justification
This species is widespread in the Indo-West Pacific and is common throughout its range and can be locally abundant. Its habitat (mangroves, estuaries, rivers) is highly impacted by human activities and there have been reported declines in habitat quality and losses in its range of distribution. The effects of human impacts to this species is undetermined, there is no evidence at present time indicating population declines from habitat degradation. It is therefore listed as Data Deficient. We recommend continued monitoring of this species' habitat and population status.
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Population

Population
This species is common throughout its range and locally abundant. This species is extremely rare in Tonga. It is relatively rare in New Caledonia (Mellin et al. 2006).

Population Trend
Unknown
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Threats

Major Threats
This species is a minor component of the aquarium trade. It is also threatened by habitat degradation, (mangroves - Polidoro et al. 2010; freshwater - Jenkins et al. 2010).
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Data deficient (DD)
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Management

Conservation Actions

Conservation Actions

There are no species-specific conservation measures in place for this species. Its distribution overlaps with some protected areas in parts of its range. More research is needed regarding population trends and life history.

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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: minor commercial; price category: unknown; price reliability:
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Wikipedia

Neopomacentrus taeniurus

Neopomacentrus taeniurus (freshwater demoiselle) is a freshwater species of damselfish found in the western Indo-Pacific.[1]

References[edit]

  1. ^ "Neopomacentrus taeniurus, Freshwater demoiselle  : fisheries". fishbase.sinica.edu.tw. Retrieved 2014-06-22. 


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