Overview

Comprehensive Description

Miscellaneous Details

"Taxonomic Notes: Sicyopterus griseus was described by Day (1877) from Canara, India."
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Brief

"Red List Category & Criteria: Least Concern ver 3.1 Year Assessed: 2010 Conservation Actions: Currently there is no specific action plan directed towards Ambassis dussumieri. Research on the population status, ecology and threats to the species is essential."
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Biology

Occurs in estuaries and backwaters (Ref. 4833). Common along the margins of streams where the flow is slower (Ref. 41236). Predominantly found in fresh water, migrating up to torrential streams (Ref. 41236).
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Distribution

Range Description

Sicyopterus griseus is known from southern India (Froese and Pauly 2009). Recorded from the rivers Neyyar, Pamba, Periyar, Chalakudy, Kuttiadi, Valapatnam, Chandragiri, Mahe, Kuppam, Cheenkannipuzha, Irutty and Chaliyar (Chhapgar and Mankadan 2000, Shaji and Easa 2003, Biju 2005) and Bharathapuzha (Bijukumar and Sushama 2000); Tungabhadra (Shaji and Easa 2003) and from South Canara, Madras, Sri Lanka (Jayaram 1999) and the Eastern Ghats (Rema Devi and Indra 2003). However its record from Sri Lanka is uncertain (Pethiyagoda 1991).

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"Range Description: Sicyopterus griseus is known from southern India (Froese and Pauly 2009). Recorded from the rivers Neyyar, Pamba, Periyar, Chalakudy, Kuttiadi, Valapatnam, Chandragiri, Mahe, Kuppam, Cheenkannipuzha, Irutty and Chaliyar (Chhapgar and Mankadan 2000, Shaji and Easa 2003, Biju 2005) and Bharathapuzha (Bijukumar and Sushama 2000); Tungabhadra (Shaji and Easa 2003) and from South Canara, Madras, Sri Lanka (Jayaram 1999) and the Eastern Ghats (Rema Devi and Indra 2003). However its record from Sri Lanka is uncertain (Pethiyagoda 1991). Countries - Native: India (Karnataka - Presence Uncertain, Kerala) Presence uncertain: Sri Lanka"
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Asia: known only from South Canara and Madras in India. Recorded from Sri Lanka but identification is still tentative (Ref. 6028).
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Southern Asia.
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Physical Description

Size

Maximum size: 65 mm SL
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Max. size

9.7 cm TL (male/unsexed; (Ref. 41236))
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Common in streams where the flow is somewhat moderate. Streams typically have a substrate of boulders. Predominantly inhabits freshwater, migrating up to torrential streams. Probably breeds in freshwater (Menon 1999). Also known from estuaries and brackish waters (Talwar and Jhingaran 1991, Bijukumar and Sushama 2000).

Systems
  • Freshwater
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Environment

demersal; amphidromous (Ref. 51243); freshwater; brackish
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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

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2011

Assessor/s
Dahanukar, N.

Reviewer/s
Madhusoodana Kurup, B., Ali, A., Abraham, R. & Cox, N.A.

Contributor/s
Molur, S.

Justification

Sicyopterus griseus is assessed as Least Concern in view of its wide distribution, presumed large overall population, it occurs in some protected areas, and because it is unlikely to be declining fast enough to qualify for listing in a more threatened category.

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"Red List Category & Criteria: Least Concern ver 3.1 Year Assessed: 2010 Conservation Actions: Currently there is no specific action plan directed towards Ambassis dussumieri. Research on the population status, ecology and threats to the species is essential."
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Population

Population
There is no information on the population of S. griseus. It is quite common in Chaliyar, Chalakudy, and the Iritty rivers (India).



Population Trend
Unknown
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Threats

Major Threats
Since S. griseus is known to occur in low and midland areas of most rivers in Kerala, as well as some estuaries, which are undergoing decline in their habitats due to pollution, sand mining, destructive fishing and construction of barrages and check dams, there is ever reason to believe that this species may be affected.
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Least Concern (LC)
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Management

Conservation Actions

Conservation Actions
There is a need to generate baseline information on this species including its population status, ecology and threats to inform conservation actions. It is found in some protected areas.
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: of no interest; aquarium: commercial
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