Validation of the otoliths for age determination in Barbus sclateri (Günth.)

Authors: Escot C.¹; Granado-Lorencio C.²

Source: Ecology of Freshwater Fish, Volume 10, Number 2, June 2001 , pp. 122-126(5)

Publisher: Wiley-Blackwell

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Abstract:

Abstract –

Otoliths were used to explore the timing of annulus formation in Barbus sclateri. Lapillus exhibited opaque and translucent zones whose combination was formed once a year. Opaque zones appeared formed from July and January, and the translucent ones from February to June. We describe a procedure to assess age by using the number of annulii, the condition of the otolith’s edge and the capture date. The use of otoliths for age determination in this cyprinid endemic to the Iberian Peninsula provides a useful alternative to the traditional methods of scale reading.

Keywords: otolith; age determination; Barbus sclateri

Language: English

Document Type: Short communication

Affiliations: 1: Aquatic Ecology Station, EMASESA, Sevilla, 2: Department of Plant Biology and Ecology, Faculty of Biology, University of Sevilla, Spain *

Publication date: 2001-06-01