In marine invertebrates, the bioenergetic fuel available for fundamental physiological processes (growth, reproduction) may present intra-individual variability depending on the storage organ, sex and state of sexual maturity. This variability is considered relevant information for fishery management. In the squid Dosidicus gigas, an important fishery resource, we analyzed adult males (immature vs. mature) and females (immature I vs. immature II) off the coast of Chile. Their bioenergetic fuel (protein, glucose, lipid and fatty acid content-FAs) was quantified in different organs of the body (digestive gland, gonad and mantle). When comparing the organs of males at both stages of maturity, a greater amount of glucose and lipids were observed in the digestive gland than in the gonad and mantle, while a higher protein content was recorded in the gonad. In turn, the same tendency of biochemical variations among the organs was observed for the female at both stages. Regarding the FA profiles of the analyzed organs, the digestive gland had the highest mean proportion of FAs. However, no significant differences were observed related to sex and sexual maturity. According to the multivariate analyses for both sexes and maturity stages, the FA profiles of the mantle and gonad showed overlap and a high similarity, while the profile of the digestive gland was completely dissimilar. Our findings indicate that D. gigas from Chilean coastal waters showed, mainly in the digestive gland, high levels of all biochemical constituents, which are obtained through food and stored in their organs as bioenergetic fuel, and may then be used for the subsequent process of migration and reproduction in oceanic waters.

在海洋无脊椎动物中，可用于基本生理过程（生长、繁殖）的生物能量燃料可能会呈现出个体差异，这取决于储存器官、性别和性成熟状态。这种可变性被认为是渔业管理的相关信息。在鱿鱼Dosidicus gigas 中，作为重要的渔业资源，我们分析了智利海岸的成年雄性（未成熟与成熟）和雌性（未成熟 I 与未成熟 II）。它们的生物能量燃料（蛋白质、葡萄糖、脂质和脂肪酸含量 - FAs）在身体的不同器官（消化腺、性腺和地幔）中被量化。当比较两个成熟阶段的雄性器官时，消化腺中的葡萄糖和脂质含量高于性腺和地幔，而性腺中的蛋白质含量更高。反过来，在两个阶段观察到雌性器官之间的生化变化趋势相同。关于所分析器官的 FA 谱，消化腺的 FA 平均比例最高。然而，没有观察到与性别和性成熟相关的显着差异。根据性别和成熟阶段的多变量分析，地幔和性腺的 FA 剖面显示重叠和高度相似，而消化腺的剖面完全不同。我们的研究结果表明来自智利沿海水域的D. gigas主要在消化腺中显示出高水平的所有生化成分，这些成分通过食物获得并作为生物能量燃料储存在其器官中，然后可用于随后的迁移和繁殖过程海洋水域。