Define Dorsal fins. Dorsal fins synonyms, Dorsal fins pronunciation, Dorsal fins translation, English dictionary definition of Dorsal fins. n. One of one or more unpaired fins on the back of fishes and certain marine mammals. American Heritage® Dictio
The sides and both hard and soft dorsal fins can lighten significantly when they become agitated (Fig. Individually-unique spot patterns of young-of-the-year Giant Sea Bass (Stereolepis gigas) in captive-raised fish 2c); no scales on preopercular flange, its posterior margin weakly serrated;...
也可见: dorsal 形 — 背侧 形 · 背棱 形 dorsal — 舌根 dorsal fins — 鬐 fin 名 — 翅片 名 · 鳍片 名 查看其他译文 © Linguee 词典, 2024 ▾外部资源(未审查的) [...] estimates from a suite of calcified structures (anal scales, dorsal fin spines and otoliths) and ass...
The meaning of DORSAL FIN is a flat thin body part that projects from the back of many fish (such as trout, barracuda, and sharks) and some marine mammals (such as dolphins). How to use dorsal fin in a sentence.
Medical Encyclopedia Wikipedia Related to dorsal fin:caudal fin Graphic Thesaurus🔍 DisplayON AnimationON Legend Synonym Antonym Related </>embed</> fin dorsal fin noun Words related to dorsal fin noununpaired median fin on the backs of fishes and some other aquatic vertebrates that help to maint...
Dorsal fins of actinopterygian fishes are known to function to varying degrees as stabilizers and as propulsive elements that augment thrust from the caudal fin. However, little is known about the ability of elasmobranchs to control three-dimensional conformation of the dorsal fins during swimming, ...
Atthesurfacetheseunusual-lookingfishwillsometimesbemistakenforasharkbecauseoftheirtalldorsalfins. 从水面上看,这种长相怪异的鱼很容易被误认为是鲨鱼,因为他们也有长长的背鳍。 www.elanso.com 2. Theirwispydorsalfinscontaintoxin-filledneedlesusedtodissuadewould-bepredators. ...
Perch with spiny fins D. Squid (not a fish actually but for comparison) with tentacles 相关知识点: 试题来源: 解析 A。解析:有大的背鳍和大的尾鳍并且能轻易跳出水面符合飞鱼(flying fish,有像翅膀一样的鳍)的特征。B选项鳕鱼有大头,与题干特征不符。C选项鲈鱼有带刺的鳍,不符合描述。D选项鱿鱼不...
a flat thin body part that projects from the back of many fish (such as trout, barracuda, and sharks) and some marine mammals (such as dolphins) This member of the perch family has two dorsal fins and a large mouth outfitted with sharp teeth …—Matt Markey ...
• When stocking a pool with fish, take care to select healthy individuals with firm, meaty bodies and erect dorsal fins.• Soon, however, many are projecting their dorsal fins high out of the water and are confidently pecking at their food.• The dorsal fin is like a yacht sail; ...