adipose fin

简明释义

脂

英英释义

例句

1.The presence of an adipose fin (脂肪鳍) can help aquarists identify certain species of catfish.

存在的脂肪鳍（脂肪鳍）可以帮助水族爱好者识别某些种类的鲶鱼。

2.The trout species is easily identifiable by its small adipose fin (脂肪鳍) located between the dorsal fin and the tail.

这种鲑鱼物种可以通过其位于背鳍和尾巴之间的小脂肪鳍（脂肪鳍）轻松识别。

3.In some fish, the adipose fin (脂肪鳍) serves as a stabilizer while swimming.

在某些鱼类中，脂肪鳍（脂肪鳍）在游泳时起到稳定器的作用。

4.Researchers are studying the genetic variations that affect the size of the adipose fin (脂肪鳍) in different fish populations.

研究人员正在研究影响不同鱼类群体中脂肪鳍（脂肪鳍）大小的遗传变异。

5.Some anglers believe that the condition of the adipose fin (脂肪鳍) indicates the overall health of the fish.

一些钓鱼者认为，脂肪鳍（脂肪鳍）的状况表明鱼的整体健康状况。

作文

The aquatic world is filled with fascinating creatures, each adapted to their environment in unique ways. Among these adaptations, one of the most interesting features found in certain fish species is the adipose fin. The adipose fin is a small, fleshy fin located on the back of some fish, situated between the dorsal fin and the tail fin. While it may seem insignificant compared to the more prominent fins, the adipose fin plays a crucial role in the fish's overall anatomy and function.To understand the importance of the adipose fin, we must first look at its structure and placement. Unlike other fins that are made up of bony rays, the adipose fin is composed of soft tissue. This unique composition allows for greater flexibility and maneuverability in the water. Fish that possess the adipose fin, such as salmon and catfish, often inhabit fast-moving streams or rivers where agility is essential for survival. The adipose fin aids in stabilizing the fish during swimming, allowing them to make quick turns and navigate through turbulent waters.Moreover, the adipose fin is believed to have sensory functions as well. It is thought to contain sensory cells that help fish detect changes in water currents and pressure. This capability is vital for their navigation and hunting strategies. For instance, when a fish swims through a current, the adipose fin can pick up subtle shifts in the water, alerting the fish to the presence of predators or prey nearby.Interestingly, not all fish have an adipose fin. Its presence is mainly noted in certain families of fish, particularly among the Salmonidae family, which includes salmon and trout. The evolutionary significance of the adipose fin remains a topic of research among scientists. Some theories suggest that it may have evolved as a remnant from ancestral species, while others propose that it has developed as an adaptation to specific environmental conditions.In addition to its biological significance, the adipose fin also captures the interest of anglers and fish enthusiasts. Many fishermen recognize the adipose fin as a distinguishing feature when identifying species. For example, when trying to differentiate between hatchery-raised fish and wild fish, the presence or absence of the adipose fin can be a key indicator. Hatchery fish often have their adipose fin clipped to prevent them from competing with wild populations, making it easier for conservationists to monitor fish stocks.In conclusion, the adipose fin may be a small and seemingly unimportant feature in the vast diversity of fish anatomy, but its presence highlights the intricate adaptations that allow fish to thrive in their environments. From aiding in swimming and navigation to serving as an identification marker for anglers, the adipose fin embodies the complexity of evolutionary biology. As we continue to explore the underwater world, understanding such unique features will enhance our appreciation for the remarkable adaptations of aquatic life.

水生世界充满了迷人的生物，每种生物都以独特的方式适应其环境。在这些适应中，某些鱼类物种中的一个最有趣的特征是脂肪鳍。脂肪鳍是位于一些鱼类背部的小而肉质的鳍，位于背鳍和尾鳍之间。虽然与更突出的鳍相比，它似乎微不足道，但脂肪鳍在鱼的整体解剖结构和功能中发挥着至关重要的作用。要理解脂肪鳍的重要性，我们首先必须看看它的结构和位置。与其他由骨性鳍条组成的鳍不同，脂肪鳍由软组织构成。这种独特的组成使得在水中具有更大的灵活性和机动性。拥有脂肪鳍的鱼类，如鲑鱼和鲶鱼，通常栖息在快速流动的溪流或河流中，在那里灵活性对生存至关重要。脂肪鳍有助于在游泳时稳定鱼体，使它们能够快速转弯并在湍急的水流中导航。此外，脂肪鳍还被认为具有感官功能。人们认为它含有感官细胞，可以帮助鱼类检测水流和压力的变化。这种能力对于它们的导航和捕猎策略至关重要。例如，当一条鱼在水流中游泳时，脂肪鳍可以捕捉到水中的微小变化，提醒鱼类附近是否有捕食者或猎物。有趣的是，并非所有鱼类都有脂肪鳍。它的存在主要在某些鱼类家族中被注意到，特别是在鲑鱼科（Salmonidae）中，包括鲑鱼和鳟鱼。脂肪鳍的进化意义仍然是科学家研究的话题。一些理论认为，它可能是从祖先物种演化而来的残留物，而另一些则提出它可能作为对特定环境条件的适应而发展。除了生物学上的重要性，脂肪鳍也吸引了钓鱼者和鱼类爱好者的兴趣。许多渔民在识别物种时认识到脂肪鳍是一个区分特征。例如，在试图区分人工繁殖的鱼和野生鱼时，脂肪鳍的存在与否可能是一个关键指标。人工繁殖的鱼通常会被剪掉脂肪鳍，以防止它们与野生种群竞争，从而使保护工作者更容易监测鱼类种群。总之，脂肪鳍可能是鱼类解剖结构多样性中一个小而看似不重要的特征，但它的存在突显了使鱼类能够在其环境中生存的复杂适应。从帮助游泳和导航到作为钓鱼者识别标志，脂肪鳍体现了进化生物学的复杂性。随着我们继续探索水下世界，理解这样的独特特征将增强我们对水生生命惊人适应能力的欣赏。