Is teleost a genus?
The majority of teleost species belong to the clade Euteleostei, which consists of 17,419 species classified in 2,935 genera and 346 families.
Are teleosts Osteichthyes?
Abstract. The Osteichthyes—fishes with bony skeletons—comprises the Sarcopterygii (coelacanth and lungfishes) and the Actinopterygii, the latter of which includes the largest class of vertebrates, the Teleostei.
How many species of teleost are there?
30,000 species
Boasting nearly 30,000 species, teleosts account for half of all extant vertebrates and approximately 98% of all ray-finned fish species (Actinopterygii). Teleosts are also the largest and most diverse group of vertebrates, exhibiting an astonishing level of morphological, physiological, and behavioral diversity.
What is the difference between elasmobranch and teleost?
It shows that the main difference between the two groups is in their offspring size strategy: teleosts make small offspring; elasmobranchs make large offspring.
Are tuna teleosts?
There is a massive diversity of teleost fish which includes the majority of all fish species. In fact they make up approximately half of all vertebrate species. A few of the better known teleost fish include tuna, salmon, trout, catfish, eels, flounder, sea horses, cod, herring, carp and anchovies.
Is a shark a teleost?
They are divided into two broad groups: teleosts, which have a bony skeleton and symmetrical tail and include most familiar fish species, and elasmobranchs, which have a skeleton made of cartilage and include sharks, rays and skates.
Are Rays teleosts?
The teleosts, the largest radiation of vertebrate life, exhibiting huge diversity in more than 20,000 species of ray-finned fishes across 40 orders.
Is yellow perch a teleost?
Teleosts. As early as 1915 reports appeared that yellow perch, Perca flavescens, infected with metacercaria of the trematode, Apophallus brevis, develop mineralized ‘bony’ cysts in the muscle.
What is meant by Elasmobranch?
Definition of elasmobranch : any of a subclass (Elasmobranchii) of cartilaginous fishes that have five to seven lateral to ventral gill openings on each side and that comprise the sharks, rays, skates, and extinct related fishes.
Are osteichthyes cartilaginous fish?
From this category, fishes are classified as either osteichthyes or chondrichthyes (bony fish or cartilaginous fish).
Are salmon teleosts?
Are sharks teleosts?
What is the scientific name of Teleostei?
Teleostei / tɛliːˈɒstiːaɪ / (Greek: teleios “complete” + osteon “bone”), members of which are known as teleosts / ˈtɛliːɒsts /, is by far the largest infraclass in the class Actinopterygii, the ray-finned fishes, containing 96% of all extant species of fish. Teleosts are arranged into about 40 orders and 448 families.
What are the teleosts?
The teleosts or Teleostei ( Greek: teleios, “complete” + osteon, “bone”) are by far the largest infraclass in the class Actinopterygii, the ray-finned fishes, and make up 96% of all extant species of fish. Teleosts are arranged into about 40 orders and 448 families.
How many species of teleosts exist?
The teleosts or Teleostei ( Greek: teleios, “complete” + osteon, “bone”) are by far the largest infraclass in the class Actinopterygii, the ray-finned fishes, and make up 96% of all extant species of fish. Teleosts are arranged into about 40 orders and 448 families. Over 26,000 species have been described.
What are the types of scales in teleost fish?
Teleost fish can have two types of scales; the ctenoid scales that are usually present in teleost fish with spiny rays. Such structures have a particular comb shape. There are also cycloid scales that are present in teleost fish with a soft radius. These ones have a more or less circular shape, which makes them different from the previous ones.