Rays are the largest group of cartilaginous fishes, with well over 600 species in 26 families. Rays are distinguished by their flattened bodies, enlarged pectoral fins that are fused to the head, and gill slits that are placed on their ventral surfaces.

2024年1月20日 · Rays are a diverse group of cartilaginous fish under the Batoidea superorder closely related to sharks. Hundreds of types of rays are found in oceans worldwide, and each type has its unique behaviors and anatomy.

蝠鲼，是鲼形目蝠鲼科几种海产属鱼类的统称。 蝠鲼头前长有由胸鳍分化出的两个突出的头鳍，就像“魔鬼”头上的角一样，所以人们又把它叫作“魔鬼鱼”。 蝠鲼身体扁平，宽大于长，头宽大平扁，吻端宽而横平，头前有由胸鳍分化出的两个突出的头鳍，位于头的两侧，胸鳍长大肥厚如翼状，它还有一个小型的背鳍，尾细长如鞭。 有些种类的尾部有一个或多个毒刺，像铺石一样排列，口宽大，牙细而多，上颌、下颌有牙带，但上颌可能没有牙齿，鼻孔位于口前两侧，喷水孔为三 …

Ray, any of the cartilaginous fishes of the order Batoidei, related to sharks and placed with them in the class Chondrichthyes. Rays are distinguished from sharks by a flattened, disklike body, with the five gill openings and the mouth generally located on the underside.

2022年4月14日 · There are numerous types of rays, including butterfly, electric, guitar, manta, sawfish, and stingrays. Of those, the most common is probably the Thornback ray. Although often referred to as a Starry, Thornback, or Maiden ray, the Raja clavata belongs to the skate or Rajidae family, so isn’t a ray at all – it’s a species of cool water skate.

Explore 10 different types of rays (Batoidea) and learn how to distinguish them. From the graceful manta rays to the elusive stingrays, discover their distinct characteristics and unravel the secrets of these captivating species. Photo by Shawn Heinrichs | The great Oceanic manta is …

They include torpedo rays, guitarfish, wedgefish, stingrays, eagle rays and manta rays. The latter two groups are majestic fish which fly through the water using a graceful flapping movement and can also leap into the air. The stingrays swim by undulating the edges of their discs.

2024年3月26日 · Ray is a superorder of fish from the class of cartilaginous fish. With over 15 different types of rays species, they make up more than half of the cartilage fish species. They live worldwide, in all seas, and some species are also in the deep sea.

2025年1月10日 · There are as many as 600 species of Rays in the world. Depending on their body shape and behavior, each of these fish belongs to one of the 24 Ray families. All Rays are flat, with large pectoral fins fused to their heads. The fins, eyes, and tail are all on their dorsal (upper) side, with the mouth and gill slits on the ventral (lower) side.

2018年7月21日 · Rays are fish, and they are similar to sharks in that their bodies are supported with cartilage instead of bone. All rays have a flattened shape, with large, rounded pectoral fins fused to their bodies and heads. Most rays swim using their pectoral fins, either by moving them in an elegant, wave-like motion or by flapping them like a bird.