abbreviated homocercal tail

简明释义

短正尾;

英英释义

例句

1.The fish species exhibits an abbreviated homocercal tail, which is adapted for quick bursts of speed.

这种鱼类展示了一个缩短的同尾鳍，适合快速爆发的速度。

2.In the study of aquatic locomotion, the abbreviated homocercal tail plays a crucial role in maneuverability.

在水生运动学研究中，缩短的同尾鳍在灵活性方面起着至关重要的作用。

3.Many species with an abbreviated homocercal tail are found in fast-moving streams.

许多具有缩短的同尾鳍的物种生活在快速流动的溪流中。

4.The design of the abbreviated homocercal tail allows fish to maintain stability while swimming.

这种缩短的同尾鳍的设计使鱼在游泳时保持稳定。

5.When classifying fish, scientists often note the presence of an abbreviated homocercal tail as a key characteristic.

在对鱼类进行分类时，科学家通常将缩短的同尾鳍的存在作为一个关键特征。

作文

The fascinating world of fish anatomy reveals a variety of adaptations that allow these creatures to thrive in their aquatic environments. Among the many remarkable features found in fish, the structure of the tail is particularly significant. One of the intriguing tail types is the abbreviated homocercal tail, which plays a crucial role in the swimming efficiency and maneuverability of certain fish species. This essay will explore the characteristics of the abbreviated homocercal tail and its importance in the lives of fish.To begin with, it is essential to understand what an abbreviated homocercal tail is. In fish anatomy, the term 'homocercal' refers to a tail fin where the upper and lower lobes are approximately equal in size and shape. This type of tail provides balance and stability during swimming. The 'abbreviated' aspect indicates that the tail is shorter than typical homocercal tails, which can enhance agility and quick directional changes in the water. Fish with this type of tail often inhabit environments where swift movements are necessary for evading predators or capturing prey.One notable example of a fish with an abbreviated homocercal tail is the mackerel. Mackerels are known for their speed and agility, traits that are largely attributed to their streamlined bodies and the unique structure of their tails. The abbreviated homocercal tail allows mackerels to make rapid turns and accelerations, making them formidable hunters in the ocean. Their ability to swim quickly not only helps them catch smaller fish but also aids in escaping larger predators.The design of the abbreviated homocercal tail is a perfect example of evolutionary adaptation. In environments where space is limited, such as coral reefs or rocky shorelines, having a tail that facilitates quick movements is advantageous. Fish with this tail structure can dart into crevices to hide from predators or swiftly navigate through complex underwater landscapes. This adaptability showcases the intricate relationship between a fish's physical attributes and its ecological niche.Furthermore, the abbreviated homocercal tail is not only beneficial for predation and escape but also plays a role in social interactions among fish. Many species use their tails to communicate with one another, signaling readiness to mate or establishing dominance within a group. The rapid movements enabled by the abbreviated homocercal tail can convey important messages quickly, thus enhancing social cohesion and reproductive success.In conclusion, the abbreviated homocercal tail serves as a remarkable adaptation that enhances the survival of certain fish species. Its unique structure allows for increased agility and speed, which are vital for hunting and evasion. Additionally, this tail type plays a significant role in social interactions, further emphasizing its importance in the lives of fish. As we continue to study fish anatomy and behavior, the abbreviated homocercal tail stands out as a fascinating feature that exemplifies the wonders of evolutionary design in the aquatic world.

鱼类解剖学的迷人世界揭示了多种适应性，使这些生物能够在水生环境中繁衍生息。在鱼类的众多显著特征中，尾巴的结构尤其重要。其中一种引人注目的尾巴类型是缩短的同尾鳍，它在某些鱼类的游泳效率和灵活性中发挥着至关重要的作用。本文将探讨缩短的同尾鳍的特征及其在鱼类生活中的重要性。首先，必须了解什么是缩短的同尾鳍。在鱼类解剖学中，“同尾鳍”一词指的是上下两侧的尾鳍大小和形状大致相等的尾巴。这种类型的尾巴在游泳时提供平衡和稳定。“缩短”的部分则表明尾巴比典型的同尾鳍短，这可以增强灵活性和快速改变方向的能力。具有这种尾巴类型的鱼通常栖息于需要迅速移动以躲避捕食者或捕捉猎物的环境中。一个具有缩短的同尾鳍的鱼类显著例子是鲭鱼。鲭鱼以其速度和灵活性而闻名，这些特征主要归功于它们流线型的身体和独特的尾巴结构。缩短的同尾鳍使鲭鱼能够快速转弯和加速，使它们在海洋中成为可怕的猎手。它们快速游泳的能力不仅帮助它们捕捉较小的鱼，还帮助它们逃避更大的捕食者。缩短的同尾鳍的设计是进化适应的完美例子。在空间有限的环境中，例如珊瑚礁或岩石海岸，拥有一种促进快速移动的尾巴是有利的。具有这种尾巴结构的鱼可以迅速钻入缝隙中以躲避捕食者，或迅速穿越复杂的水下景观。这种适应性展示了鱼类的身体特征与其生态位之间错综复杂的关系。此外，缩短的同尾鳍不仅对捕食和逃避有益，还在鱼类之间的社会互动中发挥作用。许多物种利用它们的尾巴与彼此沟通，发出交配准备或在群体中建立主导地位的信号。缩短的同尾鳍所带来的快速动作可以迅速传达重要信息，从而增强社会凝聚力和繁殖成功率。总之，缩短的同尾鳍作为一种显著的适应性，增强了某些鱼类的生存能力。其独特的结构允许增加灵活性和速度，这对捕猎和逃避至关重要。此外，这种尾巴类型在社会互动中也发挥了重要作用，进一步强调了它在鱼类生活中的重要性。随着我们继续研究鱼类的解剖和行为，缩短的同尾鳍作为一种令人着迷的特征，突显了水生世界进化设计的奇迹。