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Diagnostic Description

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Can be diagnosed from other species of Valenciidae, Fundulidae and Cyprinodontidae in Europe by the following characters: males bluish to greyish, possessing 1-14 darker bars narrower than or as wide as interspaces, not always distinct anteriorly, with iridescent spots; males with caudal fin hyaline to bluish, with or without dark posterior margin, and spots organized into 2-4 vertical rows; dorsal and anal fins of adult male not reaching caudal fin; 28-30 scales in midlateral series on body; anal fin usually with 11 rays; pectoral fin with 12-14 rays (Ref. 59043).
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Recorder
Armi G. Torres
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Life Cycle

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Eggs are scattered among fine-feathered water plants. Young hatch after 16-20 days (Ref. 2060). Eggs of about 2-mm in diameter are laid probably in batches (Ref. 59043).
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Rainer Froese
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Morphology

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Analsoft rays: 11
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Armi G. Torres
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Biology

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A short-lived species. Adults inhabit swamps, lowland water courses with little current, lagoons, springs and associated wetlands (Ref. 26100). Can tolerate salinity of up to 4 ppt in the wild and 46 ppt under laboratory conditions, but prefer freshwater. They feed mainly on insects, especially chironomids (Ref. 59043). Threatened due to the introduction of other species and water abstraction (Ref. 26100). Not a seasonal killifish. Difficult to maintain in aquarium (Ref. 27139).
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Importance

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fisheries: of no interest; aquarium: commercial
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Valencia letourneuxi

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Valencia letourneuxi, the Corfu toothcarp, is a species of fish in the family Valenciidae. It is found in Albania and Greece. Its natural habitats are rivers, freshwater marshes, freshwater spring, and coastal saline lagoons. It is threatened by habitat loss.[1] The specific name of this fish honours the collector of the type, the botanist Aristide-Horace Letourneux (1820-1890).[3] The species was described as Fundulus letourneuxi in 1880 by Henri Émile Sauvage with a type locality of Cressida, Corfu.[4] It also formerly occurred on the island of Lefkas but is now considered to be extirpated from both there and Corfu.[1] Valencia letourneuxi is a highly endangered freshwater species that faces threats from habitat degradation, water abstraction, and foreign species.[5] While little is known of its ecological history, V. Letourneuxi produce 2.2 mm eggs during the spring on aquatic plants in stagnant water that has a lot of vegetation.[6]

References

  1. ^ a b c Crivelli, A.J. (2006). "Valencia letourneuxi". IUCN Red List of Threatened Species. 2006: e.T22830A9393054. doi:10.2305/IUCN.UK.2006.RLTS.T22830A9393054.en. Retrieved 17 November 2021.
  2. ^ Froese, Rainer; Pauly, Daniel (eds.) (2019). "Valencia letourneuxi" in FishBase. April 2019 version.
  3. ^ Christopher Scharpf; Kenneth J. Lazara (26 April 2019). "Order CYPRINODONTIFORMES: Families PANTANODONTIDAE, CYPRINODONTIDAE, PROFUNDULIDAE, GOODEIDAE, FUNDULIDAE and FLUVIPHYLACIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 27 September 2019.
  4. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Fundulus letourneuxi". Catalog of Fishes. California Academy of Sciences. Retrieved 2 January 2021.
  5. ^ Kalogianni E.; Giakoumi, S.; Andriopoulou, A.; Chatzinikolaou, Y. (2010). "Feeding ecology of the critically endangered Valencia letourneuxi (Valenciidae)". pp. 289–299. Retrieved 29 October 2021.
  6. ^ Roberta Barbieri (2000). "The biology and ecology of Valencia letourneuxi Sauvage 1880 (VALENCIIDAE) - Prospects for conservation". pp. 75–90. doi:10.12681/mms.291. Retrieved 29 October 2021.

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Valencia letourneuxi: Brief Summary

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Valencia letourneuxi, the Corfu toothcarp, is a species of fish in the family Valenciidae. It is found in Albania and Greece. Its natural habitats are rivers, freshwater marshes, freshwater spring, and coastal saline lagoons. It is threatened by habitat loss. The specific name of this fish honours the collector of the type, the botanist Aristide-Horace Letourneux (1820-1890). The species was described as Fundulus letourneuxi in 1880 by Henri Émile Sauvage with a type locality of Cressida, Corfu. It also formerly occurred on the island of Lefkas but is now considered to be extirpated from both there and Corfu. Valencia letourneuxi is a highly endangered freshwater species that faces threats from habitat degradation, water abstraction, and foreign species. While little is known of its ecological history, V. Letourneuxi produce 2.2 mm eggs during the spring on aquatic plants in stagnant water that has a lot of vegetation.

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