The teleosts or Teleostei are by far the largest infraclass in the class Actinopterygii, the ray-finned fishes, and make up of all extant species of fish. This diverse group arose in the Triassic perio and members are arranged in about orders and 4families. Over 20species have been described. Bufret Lignende Oversett denne siden Teleost , (infraclass Teleostei), any member of a large and extremely diverse group of ray-finned fishes.

Along with the chondrosteans and the holosteans, they are one of the three major subdivisions of the class Actinopterygii, the most advanced of the bony fishes.

English dictionary definition of teleost. Any of various fishes of the group Teleostei, having a protrusible upper jaw and including most of the ray-finned fishes. Teleost fish are the most advanced and diverse of all fishes.

They are found throughout the world in both fresh and saltwater, from the poles to the tropics. Teleost definition: any bony fish of the subclass Teleostei, having rayed fins and a swim bladder : the group. Meaning, pronunciation, translations and examples.

Of, or relating to the Teleostei – fish with bony skeletons.

A fish of the taxonomic infraclass Teleostei. Vessel details: TELEOST. Find dead-weight-tonnage, Gross Tonnage and the Year of Build vessel details.

Definition of teleost – a fish of a large group that comprises all ray-finned fishes apart from the primitive bichirs, sturgeons, paddlefishes, freshwater. By the close of the Cretaceous, teleost fish had become the dominant fishes in both the oceans and in freshwater habitats. Levraud JP(1), Boudinot P. Genome evolution and biodiversity in teleost fish.

Whole-genome duplication in teleost fishes and its evolutionary consequences. Glasauer SM(1), Neuhauss SC. Currently, there are 250 . Despite duplicating their genome about 1million years ago, teleost fish hewed to a few conventional body types for their first 1million years.

All other sequenced teleost fish exhibit a much lower repeat content, with an average of less than. Of or belonging to the Teleostei or Teleostomi, a large group of fishes with bony skeletons, including most common fishes. The teleosts are distinct from the cartilaginous fishes such as sharks, rays, and skates. Behaviour of Teleost Fishes Second edition Edited by Tony J.

Pitcher In the past, the majority of work in animal behaviour was concentrated on birds and mammals. However, a growing body of information is now available concerning fish. Reproductive Biology of Teleost Fishes is the first integrated review of the reproductive biology of the bony fishes, which are the most species-rich and diversified group of vertebrates.

Teleosts display remarkable variation in their modes of reproduction, and this volume is intended to provide a framework for . Kunz In the compiling of this book, the vast literature dealing with the descriptive morphology, histology and cytology of teleost development has been combed and integrated. The book is divided into chapters, starting with the egg and embryonic development up to hatching. This is followed by a description of . This huge variability makes fish extremely attractive for the study of many biological questions, .