Webfrom The American Heritage® Dictionary of the English Language, 5th Edition. adjective Having a fin, fins, or finlike parts. Often used in combination. from The Century … WebJul 5, 2024 · July 5, 2024. Source: University of Konstanz. Summary: Many fish species evolved parts of their fins into sharp, spiny, needle-like elements -- called fin spines -- that function to protect the ...
Actinopterygii - Wikipedia
WebApr 14, 2024 · The majority of bony fish are ray-finned fish, meaning their skeletons are thin and flexible. However, there are also lobe-finned fish, which have ultra-muscular fins supported by their bones. Unfortunately, there are only one species of lobe-finned fish living in the ocean today — the coelacanth. Many scientists believe these unique fish are ... WebLobe-finned fish definition, any fish that has rounded scales and lobed fins, as the coelacanth. See more. kebonnixs instructions
Examples & Evolution - Video & Lesson Transcript - Study.com
WebIn fish: Actinopterygii: ray-finned fishes. The Actinopterygii, or ray-finned fishes, are the largest class of fishes. In existence for about 400 million years, since the Early Devonian, it consists of some 42 orders containing … Webfish: [noun] an aquatic animal. any of numerous cold-blooded strictly aquatic craniate vertebrates that include the bony fishes and usually the cartilaginous and jawless fishes and that have typically an elongated … WebThe Sarcopterygii, or lobe-finned fishes, is a clade containing the coelacanths, lungfishes, tetrapods, and their fossil relatives, including the osteolepiformes and panderichthyids. They are the sister group to the ray-finned fishes (Actinopterygii), together forming the bony fishes (Osteichthyes). Sarcopterygians are characterised by their ... kebs laboratory