Histological validation of gonadal macroscopic staging criteria for Labeo cylindricus (Pisces: Cyprinidae).

Booth, Anthony J; Weyl, Olaf L F

Title: Histological validation of gonadal macroscopic staging criteria for Labeo cylindricus (Pisces: Cyprinidae).
Creator: Booth, Anthony J
Creator: Weyl, Olaf L F
Subject: To be catalogued
Date Issued: 2000
Date: 2000
Type: text
Type: article
Identifier: http://hdl.handle.net/10962/446824
Identifier: vital:74563
Identifier: https://hdl.handle.net/10520/EJC17754
Description: Histological examination of gametogenesis revealed that the current staging criteria used to assess gonadal recrudescence of the redeye labeo, Labeo cylindricus, were adequate. Gametogenesis was qualitatively similar to that of freshwater teleosts with a clearly defined seasonal reproductive cycle. L. cylindricus undergoes seasonal gross morphological and cytological gonadal changes with previtellogenesis dominating during the winter, vitellogenic development during spring and summer culminating in large-scale spawning at the end of summer. Post-spawning mass atresia of oocytes was evident in autumn. The histological data presented support macroscopical evidence that L. cylindricus is a synchronous iteroparous spawner, reproducing over a short period each year throughout its life-span.
Format: 8 pages
Format: pdf
Language: English
Relation: African Zoology
Relation: Booth, A.J. and Weyl, O.L., 2000. Histological validation of gonadal macroscopic staging criteria for Labeo cylindricus (Pisces: Cyprinidae). African Zoology, 35(2), pp.223-231
Relation: African Zoology volume 35 number 2 223 231 2000 2224-073X
Rights: Publisher
Rights: Use of this resource is governed by the terms and conditions of the Taylor and Francis Online Terms and Conditions Statement (https://www.tandfonline.com/terms-and-conditions)

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Weyl, Olaf L F (Prof)

Booth, Anthony John (Prof)

RU Department of Ichthyology and Fisheries Science

SDG 14. Life Below Water

RU South African Institute for Aquatic Biodiversity (SAIAB)

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