Fish are broadly divided into three classes. Habitat: tropical coastal waters of the Indo-Pacific region Status: Vulnerable Well, looks like a stingray and a shark got together for a romantic evening at some point during the course of their evolutionary history and created what we now know as a Shark Ray (Rhina ancylostoma), otherwise known as a Bowmouth Guitarfish.At least, that’s how I imagined this … ray definition: 1. a narrow beam of light, heat, etc. ray-finned fish synonyms, ray-finned fish pronunciation, ray-finned fish translation, English dictionary definition of ray-finned fish. Wikipedia Dictionaries. These fins are attached directly to the internal skeletal system of the fish. Some species have a … A stingray lives 15-25 years in the wild. How to use ray in a sentence. Learn more. Fish, any of approximately 34,000 species of vertebrate animals (phylum Chordata) found in the fresh and salt waters of the world. Bony fish are the most common type of fish not just around Britain and Ireland but around the world – of the 28,000 species of fish found worldwide approximately 27,000 are classed as bony fish. Stingray, any of a number of flat-bodied rays noted for the long, sharp spines on their tails. Stingrays have broad fins that run the full length of their bodies, giving them a flat, roundish shape. Even so, there are a few things that help us identify a fish as one or the other. They have a bony endoskeleton and a swim bladder. The ray’s mouth is located on the underside of its body and it has an extendable upper jaw which it uses to capture prey. Small Eyed Ray . A ray and a skate are both aquatic animals that belong to almost the same scientific classifications. More than half of all ray species are over 20 inches (50 cm) long. X-ray fish dwell in fresh waters having a pH range of 6 to 8. Living species range from the primitive jawless lampreys and hagfishes through the cartilaginous sharks, skates, and … The actinopterygians, or ray-finned fish, are one of the two major clades of bony fish (Osteichthyes), the other being the lobe-finned fish, or Sarcopterygians.The Chondrichthyes (cartilaginous fish) are the extant sister clade of the Osteichthyes. Manta rays also eat small fish. Common Stingray . The tail looks like a whip and may be as long as the body, and is armed with a sting. Opercular: pair of bony plates covering the gill opening. Their thin fins consist of webs of skin over flexible bony rays, or spines. Manta ray Manta birostris is the largest ray. Ray-finned fish definition, any of various bony fishes of the subclass Actinopterygii, having strong slender rays, excluding the coelacanth and lungfish. Giving them a flat, roundish shape ) is the size of anterior. 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