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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

VELEZ-ARELLANO, Nurenskaya et al. Histological Validation of Morphochromatically-Defined Gonadal Maturation Stages of Green Abalone (Haliotis fulgens) Philippi,1845 and Pink Abalone (Haliotis corrugata) Wood, 1828. Int. J. Morphol. [online]. 2015, vol.33, n.3, pp.1054-1059. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022015000300039.

Identifying the maturity stage of specimens is essential for the determination of the spawning season, which in turn facilitates the formulation of adequate fisheries management measures for the sustainable use of sea resources, such as abalone. This study aims to validate, based on histological evidence, a gonad maturation scale that encompasses four morphochromatically-defined stages (developing, maturity, spawning and resting) for females and males, plus an additional stage for reproductively inactive (undifferentiated) specimens, to be used as an identification key. Given the similarity between Haliotis fulgens and Haliotis corrugata as to their morphochromatic features, the gonadal maturation scale can be used for both species.

Keywords : Assessment tools; Gametogenesis; Gonads; Reproduction.

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