青春期非洲鲶鱼（Clarias gariepinus）的性互动对性腺发育的刺激作用。

Stimulation of gonadal development by sexual interaction of pubertal African catfish, Clarias gariepinus.

作者信息

van Weerd J H, Sukkel M, Bongers A B, van der Does H M, Steynis E, Richter C J

机构信息

Department of Fish Culture and Fisheries, Agricultural University Wageningen, The Netherlands.

出版信息

Physiol Behav. 1991 Feb;49(2):217-23. doi: 10.1016/0031-9384(91)90035-m.

DOI:10.1016/0031-9384(91)90035-m

PMID:2062890

Abstract

Stimulation and inhibition of gonadal development by intersexual contact was studied in pubertal African catfish, Clarias gariepinus. The effect of a possible interaction was studied by evaluation after a 98-day experimental period of gonadal development in combinations of intact and anosmic males and females. In addition, separate groups of males and females, respectively, were exposed to holding water from these combinations. A tentative model of stimulation of gonadal development by intersexual contact in pubertal fish was developed. Males stimulate ovarian development of females by both olfactory and tactile cues. In addition, males seem to enhance gonadal development of other males through olfactory stimulation via holding water. In contrast, females tended to inhibit male gonadal development, especially through tactile cues. It seems that although males are hampered by female tactile stimuli in their gonadal development and ability to stimulate male gonadal development, their ability to stimulate female gonadal development is not affected.

摘要

在青春期的非洲鲶鱼（Clarias gariepinus）中研究了两性接触对性腺发育的刺激和抑制作用。通过在98天的性腺发育实验期后，对完整和嗅觉缺失的雄性和雌性组合进行评估，研究了可能的相互作用的影响。此外，分别将雄性和雌性单独分组，使其接触这些组合的养殖用水。建立了一个关于青春期鱼类两性接触刺激性腺发育的初步模型。雄性通过嗅觉和触觉线索刺激雌性的卵巢发育。此外，雄性似乎通过养殖用水中的嗅觉刺激增强其他雄性的性腺发育。相比之下，雌性倾向于抑制雄性性腺发育，尤其是通过触觉线索。似乎尽管雄性在性腺发育和刺激雄性性腺发育的能力方面受到雌性触觉刺激的阻碍，但其刺激雌性性腺发育的能力并未受到影响。