Sexual reproduction (as opposed to asexual reproduction) can bring plenty of benefits to a species: it maintains genetic variation; delivers better outcomes for offspring and improves resistance to ...

Inbreeding occurs when animals mate with relatives. It can result in a phenomenon called ‘inbreeding depression’ where the resulting offspring have abnormalities, health issues, and impaired fertility ...

许多鱼类物种中存在替代雄性形态，这些形态通常在社会行为组合（如攻击性和领土性）上存在差异，并与替代繁殖策略相关。这种一致的形态典型行为特征表明其潜在的神经内分泌机制存在 ...

红肚凤凰Pelvicachromis pulcher是属于丽鱼科矛耙丽鱼属的一种鱼类。一般成鱼体长8-10厘米。红肚凤凰可以说是西非短鲷的代表品种，它拥有细长的身体，鱼背部分呈蓝色，鳃盖在灯光反射下呈现 ...

翡翠鳳凰短鯛为矛耙麗魚屬（Pelvicachromis）慈鯛，分布在西非和中非，深受短鯛迷的喜愛，尤其是那些喜歡收集產地變異型個體的玩家。而擁有豐富體色與眾多地域型態的翡翠鳳凰短鯛 ...

Aquatic animals like ornamental fish and marine invertebrates need to meet specific requirements to enter New Zealand. We've created a step-by-step process so you can see what's involved. If your ...

Colour expression is highly variable in animals. In fishes, rapid colour change, i.e. physiological colour change, can be observed in multiple contexts, e.g. in camouflage or communication, and is ...

Estabelece normas, critérios e padrões para exportação e importação de peixes de águas continentais, marinhas e estuarinas, com finalidade ornamental e de aquariofilia. O PRESIDENTE DO INSTITUTO ...

Male cichlids that are constantly threatened by predators grow faster and postpone the full expression of conspicuous breeding coloration for longer. Thereby, the animals reduce their risk of becoming ...

短鲷，也称侏儒慈鲷。分西非短鲷和南美短鲷，其中西非短鲷虹彩是比较难繁殖的种类，就目前CN而言还没看到繁殖了虹彩短鲷的帖子，我也曾试图收对好些的虹彩但终于未能如愿，凡事一个 ...

Adult sex ratios in the kribensis cichlid (Pelvicachromis pulcher) are influenced by environmental conditions during early development. These environmental sex-determining factors may also organize ...

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