WebMar 31, 2024 · fish, any of approximately 34,000 species of vertebrate animals (phylum Chordata) found in the fresh and salt waters of the world. Living species range from the primitive jawless lampreys and hagfishes … WebJul 28, 2024 · Ray-finned fish have fins that are supported by thin, bony spines. Examples of ray-finned fish include cod, salmon, tuna, pike, piranha, barracuda, minnow and walleye. Lobe-Finned Fish ... One of the best-known of all fish fins is the dorsal fin of a shark, which is occasionally all that can be seen of the fish as it swims close to ...
Actinopterygii Archives - Untamed Science
WebMay 14, 2024 · Ray-finned fishes have evolved over more than 400 million years to occupy aquatic environments worldwide, from deep ocean trenches to high mountain streams, … 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, … perkins and will architecture
Basic Finfish Features 1 - CORE
WebThe most diverse group of fish The ray-finned fishes (actinopterygians) are the largest group of living fishes and compose half of the living vertebrates. There are around 42 orders, 431 families and nearly 24,000 species. Almost all fish that you see belong to this class of fish. The most notable exceptions include lampreys, hagfish, lungfish, and coelocanths. Ray … WebJul 6, 2024 · The tendency for more robustly ossified or spiny anterior fin ray elements is a trend present throughout fishes in both paired and median fins. Additional examples are … WebClass Actinopterygii (ray-finned fishes), in existence since the Early Devonian, is the largest class of fishes with about 26,900 living species. Actinopterygians comprise three … perkins and will architects miami