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aqua 19(4)_Rivulus tomasi

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Volume 19, Issue 4 – 25 October 2013

F. B. M. Vermeulen, S. Valdesalici and J. R. Garcia-Gil: Rivulus tomasi (Teleostei: Cyprinodontiformes: Rivulidae), a new killifish from Tobogán de la Selva, middle Orinoco river drainage in the Amazonas Territory, southwest Venezuela, pp. 187-192

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Description

SINGLE PAPER

Volume 19, Issue 4 – 25 October 2013

F. B. M. Vermeulen, S. Valdesalici and J. R. Garcia-Gil: Rivulus tomasi (Teleostei: Cyprinodontiformes: Rivulidae), a new killifish from Tobogán de la Selva, middle Orinoco river drainage in the Amazonas Territory, southwest Venezuela, pp. 187-192

Abstract
Rivulus tomasi is described from Tobogán da la Selva, a tributary of the middle Rio Orinoco south of Puerto Ayacucho in the Amazonas Territories, southwest Venezuela. It is similar to R. amanapira, R. rectocaudatus, R. tecminae and R. staecki in having a truncate caudal fin, but differs by a unique combination of character states: tip of pelvic fin reaching between base of 4th and 5th anal fin ray in males, and 39-42 scales in longitudinal series. Rivulus tomasi differs from other Rivulus spp. (except R. amanapira and R. uakti) by unique caudal fin coloration.

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