Overview

Comprehensive Description

Biology

Inhabits rivers and estuaries (Ref. 4833). Amphibious air-breather (Ref. 31184).
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Distribution

India.
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Asia: India, Myanmar, Thailand, Sarawak, Indonesia.
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Southern Asia.
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Physical Description

Size

Maximum size: 100 mm SL
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Max. size

10.0 cm SL (male/unsexed; (Ref. 4833))
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Diagnostic Description

Pectoral-fin rays 12-15 (mean = 13.6); spinous dorsal fin with four to 15 spines (mean = 10.4); length of first dorsal-fin base 3.2-17.9% SL (mean = 12.3%); pelvic fins lack frenum and are separate to fin bases; isthmus completely scaled; snout lacking scales; dorsal fins contiguous in adult males.

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

Habitat

Environment

demersal; amphidromous (Ref. 51243); freshwater; brackish
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Depth range based on 3 specimens in 1 taxon.

Environmental ranges
  Depth range (m): 0.5 - 0.5
 
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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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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: of no interest
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Disclaimer

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