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- The lower lobe of the deeply forked caudal fin is longer than the upper lobe. 尾鳍深叉型，下叶比上叶长。
- Old World freshwater catfishes having naked skin and a long anal fin more or less merged with the eellike caudal fin. 东半球的淡水鲇鱼，体表无鳞，有类似鳗鱼尾鳍的很长的臀鳍。
- Finally, the male lays sideways with his caudal fin and half of his body on the head of the female. 最后,男奠定侧身与他的尾鳍及他的一半身体对他的头部的女性。
- The male is characterized by the presence of a long and sword-shaped protrusion at its lower caudal fin. 牠头部尖小，身体幼长，雄鱼的特徵是尾鳍下方长有又尖又长的突条。
- The notochord is straight and caudal fin structures are beginning to form on the ventral side of the notochord. 此时脊索是直的，而且尾鳍的结构开始在脊索的腹侧边上形成。
- I think you are talking with blue goby (with a very long caudal fin).Very shiny one! 9米深的水底;见到好多白色的鱼;鱼身是长长的;约3-4吋.
- Diphycercal tail, i.e. vertebral colum runs straight to the tip, dividing the caudal fin symmetrically. 对称的尾部, 也就是脊柱笔直延伸到尖端,对称地分开尾鳍。
- Meanwhile, the fin model is simplified, and a robotic fish fin driven by shape memory alloy (SMA) is de;eloped. 基于绸带状鱼鳍的这种简化模型设计了形状记忆合金驱动的仿生鱼鳍。
- The father already had a somewhat unusual caudal fin pattern; instead of a long band, this fish possessed elongate spots there. 父亲已经有点不寻常尾鳍格局;而是一个漫长的乐队,这种鱼具有伸长点。
- Most fishes have unstriated rays along the anterior part of the dorsal and ventral edges (leading edges) of the caudal fin. 在大多数鱼类的尾鳍，沿著背侧与腹侧缘的前部具有无条痕的鳍条。在一些鱼中，例如鰕虎鱼其有条痕的与无条纹的软条数量比在鑑定上是有帮助的。
- The phenol extraction of genomic DNA from alcohol-preserved caudal fin is an effective method of promoting and using in molecular studies on fish. 综合比较，苯酚/氯仿抽提法提取乙醇保存的尾鳍组织基因组DNA是一种行之有效的方法，可以在鱼类分子研究中推广应用。
- Lateralis system Sensory system consisting of a series of pores and canals on the head, body, and sometimes the caudal fin of a fish, used to detect water movements. 侧线系统包含在头部，身体上的一系列孔与管的知觉系统，有时到鱼的尾鳍，用来探察水运动。
- Examination of filmed sequences of Zebra Danio shows that the S-start process includes three stages, distinguished by different movements of the fish body and the caudal fin. 通过分析斑马鱼的运动图像，发现S形起动过程大体可以分解为三个阶段：第一阶段，斑马鱼的头部和尾部都迅速向相同的一个体侧方向转动，整个身体近似弯曲反写的S型。
- Description: A median cyprinid with a long, spindle-shaped and laterally compressed body.It has a small head with a ventral mouth bearing 2 pairs of barbels.The caudal fin is deeply forked. 形容:中型鲤科鱼类，身体呈长轴形，两侧扁平，头部偏小，口部位于下端，长有两对触须，尾鳍深叉型。
- Based on motion similarity of microrobot drive fin and fish caudal fin, the authors discuss fish (muscle) hydrodynamics, and analyze propulsion force produced by biomimetic fish-like drive fin. 基于鱼类肌肉水动力学的研究,利用鱼类尾鳍与微机器人摆翼运动相似性,对仿生鱼型微机器人摆翼所产生的推进力进行了分析。
- Based on motion similarity of microrobot drive fin and fish caudal fin, this paper discusses fish muscle hydrodynamics, and analyzes propulsion force produced by biomimetic fish-like drive fin. 基于鱼类肌肉水动力学的研究,利用鱼类尾鳍与微机器人摆翼运动相似性,对仿生鱼形微机器人摆翼所产生的推进力进行了分析。
- Among the hundreds of guppy varieties, the best known feature of the male fish is its gorgeous dorsal and caudal fins. 在成千上百的孔雀鱼品种中，雄鱼最著名的特色就是它们华丽的背鳍和尾鳍。
- Adult fish are very dusky overall except with spotted caudal fin and pale yellowed pectoral fins and very inconspicuous vertical thin bars on body. 成鱼全身乌黑，尾鳍有斑点，胸鳍淡黄色，身上有极浅淡的幼条纹。
- The wild guppy is a tiny fish with a dorsal mouth and a pair of large eyes.Its pectoral fins are placed high on the body and the rounded caudal fin is slightly elongated. 野生品种体型细小，口部为顶生，眼睛圆大，胸鳍长于近背顶位置，尾鳍略长，形状圆浑。
- They always have dark spots on their heads, backs, bellies and across their dorsal fins and caudal fins, a famed attribute of true trout. 它们身上头部、背部、腹部到背鳍、尾鳍总是遍布深色的斑点，一个真鲑的显著特征。
