Overview

Comprehensive Description

Biology

Inhabits brackish water of estuaries and freshwater tidal zone. Occurs in burrows and is often found on mudflats in extremely shallow water where it browses on algae (Ref. 12693). An intertidal and amphibious air-breather that actively shuttles back and forth between rock pools and air (Ref. 31184). Occasionally seen in markets (Ref. 12693).
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Distribution

Range Description

The species is known from coastal and estuarine habitats throughout the Indo-West Pacific in south and southeast Asia. It has been recorded from the west coast of India (Mumbai, Maharashtra) eastwards to Sabah (northern Borneo) and the Mekong delta in southern Vietnam.
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Indo-West Pacific: India to New Guinea and north to China (Ref. 12693). Also recorded from Sulaibikhat Bay, Persian Gulf (Ref. 80050).
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Indo-West Pacific.
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Physical Description

Size

Maximum size: 220 mm TL
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Max. size

22.0 cm TL (male/unsexed; (Ref. 7050))
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Diagnostic Description

Total elements in second dorsal fin 24-26 (mean = 24.5); caudal-fin length/SL 17.9-23.3% (mean = 19.9%); head length/SL 25.0-30.4% (mean = 27.0%); length of second dorsal fin base/SL 40.2-46.4% (mean = 43.4%) longitudinal scale count 61-79 (mean = 71.4); predorsal scales 25-35 (mean = 29.2).

  • Murdy, E.O. 1989. A taxonomic revision and cladistic analysis of the oxudercine gobies (Gobiidae: Oxudercinae). Records of the Australian Museum, Supplement 11:1–93.
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
The species lives in brackish water of estuaries and freshwater tidal zone; often found in mangroves. Occurs in burrows and is often found on mudflats. An intertidal and amphibious air-breather that actively shuttles back and forth between rock pools and air (Martin and Bridges 1999).

Systems
  • Freshwater
  • Marine
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Environment

demersal; amphidromous (Ref. 51243); freshwater; brackish; marine
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Depth range based on 5 specimens in 1 taxon.
Water temperature and chemistry ranges based on 3 samples.

Environmental ranges
  Depth range (m): 0.305 - 1.2
  Temperature range (°C): 28.885 - 28.922
  Nitrate (umol/L): 0.018 - 0.075
  Salinity (PPS): 28.170 - 32.200
  Oxygen (ml/l): 4.329 - 4.427
  Phosphate (umol/l): 0.068 - 0.339
  Silicate (umol/l): 4.465 - 8.126

Graphical representation

Depth range (m): 0.305 - 1.2

Temperature range (°C): 28.885 - 28.922

Nitrate (umol/L): 0.018 - 0.075

Salinity (PPS): 28.170 - 32.200

Oxygen (ml/l): 4.329 - 4.427

Phosphate (umol/l): 0.068 - 0.339

Silicate (umol/l): 4.465 - 8.126
 
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Migration

Amphidromous. Refers to fishes that regularly migrate between freshwater and the sea (in both directions), but not for the purpose of breeding, as in anadromous and catadromous species. Sub-division of diadromous. Migrations should be cyclical and predictable and cover more than 100 km.Characteristic elements in amphidromy are: reproduction in fresh water, passage to sea by newly hatched larvae, a period of feeding and growing at sea usually a few months long, return to fresh water of well-grown juveniles, a further period of feeding and growing in fresh water, followed by reproduction there (Ref. 82692).
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Trophic Strategy

Inhabits brackish water of estuaries and freshwater tidal zone. Occurs in burrows and is often found on mudflats in extremely shallow water where it browses on algae (Ref. 12693). An intertidal and amphibious air-breather that actively shuttles back and forth between rockpools and air (Ref. 31184).
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Boleophthalmus boddarti

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 1
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
2012

Assessor/s
Allen, D.

Reviewer/s
Smith, K. & Ng, H.H.

Contributor/s

Justification
The species is assessed as Least Concern at present because of its very wide distribution, evidence that it is an abundant species, and the absence of large-scale threats that threaten populations.
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Population

Population
No information available, but evidence from recent surveys throughout its distribution suggests that this species is reasonably abundant.

Population Trend
Unknown
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Threats

Major Threats
Likely to be impacted in parts of its range by pollution, especially in estuaries, but this needs to be verified by further research.
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Least Concern (LC)
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Management

Conservation Actions

Conservation Actions
Although this is a widespread,common species. Further research on global population size and trends, as well as the impacts of anthropogenic disturbance on this species is needed.
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: of no interest
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