Webray, any of the cartilaginous fishes of the order Batoidei, related to sharks and placed with them in the class Chondrichthyes. The order includes 534 species. Rays are distinguished from sharks by a flattened, disklike body, … WebWhat separates the shark from the ray-finned fish. Vertebrae. What is the only trait that the shark has? Frog. What animal has four limbs, bony skeleton and vertebrae. ... Eggs with …
Ray-Finned Fish Fish - Animal Facts
WebSep 11, 2024 · As a type of ray-fin fish, ... Egg production depends on the size of the female. Every breeding season, the average female produces about 850,000 eggs, and the larger females can produce around three million. The female releases her eggs in large clutches near the ocean floor, ... Actinopterygii , members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs of skin supported by bony or horny spines (rays), as opposed to the fleshy, lobed fins that characterize the class … See more Ray-finned fishes occur in many variant forms. The main features of typical ray-finned fish are shown in the adjacent diagram. The swim bladder is a more derived structure than the lung. Ray-finned fishes … See more In nearly all ray-finned fish, the sexes are separate, and in most species the females spawn eggs that are fertilized externally, typically with the male inseminating the eggs after they are … See more • Media related to Actinopterygii at Wikimedia Commons • Data related to Actinopterygii at Wikispecies See more Actinopterygii is divided into the classes Cladistia and Actinopteri. The latter comprises the subclasses Chondrostei and Neopterygii. … See more great safety tips for workplace meeting
12.1 Evolution of Fishes – VCU BIOL 152: Introduction to …
WebFeb 15, 2024 · The group of ray-finned fishes (Class Actinopterygii) encompasses over 20,000 species of fish that have 'rays,' or spines, in their fins. This separates them from … WebMar 28, 2024 · On average, it was around 10 feet in length. The species could attain a size of up to 23 feet long and up to 1,000 pounds, making it one of the largest freshwater species of fish in the world. The largest specimen ever caught measured a record 9.8 feet in length and weighed 661.4 pounds. The Chinese paddlefish (spoonbill fish) also differed ... WebBony fishes are further divided into two extant clades: Class Actinopterygii (ray-finned fishes) and Class Sarcopterygii (lobe-finned fishes). Actinopterygii ( (Figure) a ), the ray-finned fishes, include many familiar fishes—tuna, bass, trout, and salmon among others—and represent about half of all vertebrate species. great safety tips