Overview

Comprehensive Description

Biology

Inhabits streams in hilly areas and lowland in karstic resurgences. Occurs in clear waters around 10-20° C, usually with dense subaquatic vegetation. Feeds mainly on aquatic insects. Spawns on gravel bottom in shallow water. Attains a maximum size of up to about 40 cm SL. Threatened due to water abstraction, overfishing and stocking of non-native trouts (Ref. 59043).
  • Kottelat, M. and J. Freyhof 2007 Handbook of European freshwater fishes. Publications Kottelat, Cornol, Switzerland. 646 p. (Ref. 59043)
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Distribution

Range Description

Corsica, Sardinia, Sicily, Tyrrhenian basin of Italy from Magra drainage southward.
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Europe: Corsica, Sardinia, Sicily, Tyrrehenian basin of Italy from Magra drainage southward.
  • Kottelat, M. and J. Freyhof 2007 Handbook of European freshwater fishes. Publications Kottelat, Cornol, Switzerland. 646 p. (Ref. 59043)
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Southern Europe: Corsica, Sardinia, Sicily, Italy.
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Physical Description

Size

Max. size

40.0 cm SL (male/unsexed; (Ref. 59043))
  • Kottelat, M. and J. Freyhof 2007 Handbook of European freshwater fishes. Publications Kottelat, Cornol, Switzerland. 646 p. (Ref. 59043)
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Diagnostic Description

Distinguished from congeners in Mediterranean basin by having the following combination of characters: 9-13 parr marks in adults; caudal fin slightly emarginate; 20-60 small ocellated spots on flank (smaller than eye), some black, some brownish red (Ref. 59043).
  • Kottelat, M. and J. Freyhof 2007 Handbook of European freshwater fishes. Publications Kottelat, Cornol, Switzerland. 646 p. (Ref. 59043)
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Habitat:
Streams in hilly areas; in lowland in karstic resurgences. Clear waters around 10-20°C, usually with dense subaquatic vegetation.

Biology:
Resident ecotype only. Spawns in January-March, on gravel bottom, in shallow water. Feeds mainly on aquatic insects.

Systems
  • Freshwater
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Environment

demersal; freshwater
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
NT
Near Threatened

Red List Criteria

Version
3.1

Year Assessed
2008

Assessor/s
Freyhof, J. & Kottelat, M.

Reviewer/s
Bogutskaya, N., & Smith, K. (IUCN Freshwater Biodiversity Unit)

Contributor/s

Justification
This species is found in Corsica, Sardinia, Sicily, and the Tyrrhenian basin of Italy from Magra drainage southward (streams in hilly areas; in lowland in karstic resurgences) where it is threatened by water abstraction, overfishing and stocking of non-native trouts (resulting in hybridisation and competition). It is suspected that in the past three generations (10 to 12 years) the population has declined by almost 30%, and it will continue to do so as water abstraction will most likely increase.
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Population

Population
Declining.

Population Trend
Decreasing
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Threats

Major Threats
Water abstraction, overfishing and stocking of non-native trouts (hybridisation and competition).
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Near Threatened (NT)
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Management

Conservation Actions

Conservation Actions
There are local reserves set up specifically for the species in Italy.
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Wikipedia

Salmo cettii

Salmo cettii, or the Mediterranean trout, is a species of trout, a freshwater fish in the Salmonidae family.[1] It lives in the Mediterranean region, in Algeria, Corsica, Sardinia, Sicily and on the Italian mainland in the Magra drainage and further south. It is a non-migratory fish which lives in streams and in karstic resurgences.[2] It is smaller than 40 centimetres (16 in) in length. It is sometimes referred to Salmo trutta macrostigma, which depending on concept is either a more widespread Mediterranean taxon, or a taxon endemic to Algeria.[2]

References[edit]

  1. ^ "Salmo cettii". Fishbase. Retrieved 2009-03-31. 
  2. ^ a b Freyhof, J. & Kottelat, M. 2008. Salmo cettii. In: IUCN Red List of Threatened Species. Version 2010.1. Downloaded on 5 May 2010.
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