adipose fin

简明释义

脂鳍;

英英释义

例句

1.Anglers often look for the adipose fin 脂肪鳍 when identifying trout species.

钓鱼者通常通过寻找adipose fin 脂肪鳍来识别鳟鱼的种类。

2.When studying fish anatomy, it's important to note the presence of an adipose fin 脂肪鳍 in certain species.

在研究鱼类解剖时，注意某些物种中存在adipose fin 脂肪鳍是很重要的。

3.The adipose fin 脂肪鳍 serves as a stabilizer while the fish swims, helping it maneuver through water.

在鱼游泳时，adipose fin 脂肪鳍起到稳定器的作用，帮助它在水中灵活移动。

4.The presence of an adipose fin 脂肪鳍 can indicate that a fish is part of the Salmonidae family.

一个鱼是否有adipose fin 脂肪鳍可以表明它属于鲑科。

5.The salmon is easily identifiable by its distinct adipose fin 脂肪鳍, which is located between the dorsal fin and the tail.

鲑鱼很容易被识别，因为它的明显的adipose fin 脂肪鳍位于背鳍和尾巴之间。

作文

The world of aquatic life is filled with fascinating adaptations that allow fish to thrive in their environments. One such adaptation is the presence of the adipose fin, a small, fleshy fin located on the back of many fish species, just behind the dorsal fin. Unlike the more prominent fins that are used for propulsion and stability, the adipose fin serves a different purpose. It is thought to play a role in balancing and maneuvering, helping fish navigate through their aquatic habitats with greater agility.The adipose fin is often overlooked by casual observers who might focus on the more striking features of fish, such as their vibrant colors or larger fins. However, for ichthyologists and marine biologists, the study of the adipose fin is crucial for understanding fish anatomy and evolution. This fin is primarily found in species of the order Salmoniformes, which includes salmon and trout, as well as some catfish and other freshwater species. Its presence can indicate certain evolutionary traits that have developed over millions of years.One interesting aspect of the adipose fin is its variability among different species. For instance, in some species, it is quite pronounced, while in others, it may be reduced or even absent. This variation can provide insights into the ecological niches that different fish occupy and how they have adapted to their specific environments. In fact, the size and shape of the adipose fin can reflect the swimming habits of the fish, whether they are agile predators or slower bottom-dwellers.Moreover, the adipose fin has been a topic of interest in evolutionary biology. Some researchers propose that it may have originated from a developmental process that is also responsible for the formation of other fins. The evolutionary significance of the adipose fin raises questions about the ancestral traits of fish and how these traits have been retained or modified over time.In addition to its biological significance, the adipose fin has practical implications for fishermen and fishery management. Certain regulations may require anglers to identify fish species based on the presence or absence of the adipose fin. For example, some states in the U.S. have specific rules regarding the catch and release of salmonids, which can be identified by their adipose fin. Understanding this feature helps ensure sustainable fishing practices and the conservation of fish populations.In conclusion, the adipose fin is much more than just a small appendage on a fish's body; it is a significant feature that contributes to our understanding of fish anatomy, evolution, and ecology. By studying the adipose fin, scientists can gain valuable insights into the adaptations that allow fish to survive and thrive in diverse aquatic environments. As we continue to explore the mysteries of the underwater world, the adipose fin remains a key element in unraveling the complexities of fish biology and conservation efforts.

水生生物的世界充满了迷人的适应性，使鱼类能够在其环境中茁壮成长。其中一种适应性是存在于许多鱼类物种背部的一小片肉质鳍，称为脂肪鳍，位于背鳍后面。与用于推进和稳定的更显著的鳍不同，脂肪鳍具有不同的作用。它被认为在平衡和机动性方面发挥作用，帮助鱼类在水域栖息地中更灵活地导航。脂肪鳍常常被随意观察者忽视，他们可能会关注鱼类更引人注目的特征，如鲜艳的颜色或更大的鳍。然而，对于鱼类学家和海洋生物学家来说，研究脂肪鳍对于理解鱼类解剖学和进化至关重要。这种鳍主要出现在鲑形目（Salmoniformes）的物种中，包括鲑鱼和鳟鱼，以及一些鲶鱼和其他淡水物种。它的存在可以指示出经过数百万年发展而形成的某些进化特征。脂肪鳍的一个有趣方面是它在不同物种之间的变异性。例如，在某些物种中，它相当明显，而在其他物种中，可能会减少甚至缺失。这种变异可以提供有关不同鱼类所占生态位以及它们如何适应特定环境的见解。实际上，脂肪鳍的大小和形状可以反映鱼类的游泳习性，无论它们是灵活的捕食者还是较慢的底栖生物。此外，脂肪鳍在进化生物学中也是一个引人关注的话题。一些研究人员提出，它可能起源于与其他鳍的形成相同的发育过程。脂肪鳍的进化意义引发了关于鱼类祖先特征及这些特征如何随着时间的推移而保留或修改的问题。除了生物学意义外，脂肪鳍对渔民和渔业管理也有实际影响。某些法规可能要求钓鱼者根据脂肪鳍的存在或缺失来识别鱼类物种。例如，美国某些州对鲑鱼类的捕捞和释放有特定规定，这些鱼类可以通过其脂肪鳍进行识别。了解这一特征有助于确保可持续的捕鱼实践和鱼类种群的保护。总之，脂肪鳍不仅仅是鱼类身体上的一个小附属物；它是一个重要特征，有助于我们理解鱼类的解剖学、进化和生态。通过研究脂肪鳍，科学家可以获得有关鱼类如何在多样的水生环境中生存和繁衍的宝贵见解。当我们继续探索水下世界的奥秘时，脂肪鳍仍然是揭开鱼类生物学和保护工作复杂性的重要元素。