Ichthyology[1][2] is the branch of zoology devoted to the study of fish, including bony fish (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha). According to FishBase, 35,800 species of fish had been described as of March 2025. [3]
ichthyology, scientific study of fishes, including, as is usual with a science that is concerned with a large group of organisms, a number of specialized subdisciplines: e.g., taxonomy, anatomy (or morphology), behavioral science (ethology), ecology, and physiology. Because of the great importance of fishes as human food, economic ichthyology is a significant segment of the field. The ancient ...
Ichthyology is the scientific study of fish, a branch of zoology exploring bony, cartilaginous (sharks and rays), and jawless fish (lampreys and hagfish). This field examines fish biology, ecology, and evolution, covering their physical characteristics, interactions within aquatic environments, and how they have changed over time.
Ichthyology articles from across Nature Portfolio Ichthyology is the branch of zoology devoted to the study of fish, including: bony fish, Osteichthyes; cartilaginous fish, Chondrichthyes; and ...
What is Ichthyology? Ichthyology is the study of fish. Fish are aquatic, ectothermic (i.e., relying on external sources of heat to regulate body temperature) animals that have backbones, fins, and gills throughout life. This definition covers a wide variety of species and, consequently, a great diversity of forms and habits.
Ichthyology is the study of fish. The description below separates fish into 3 groups- Agnatha, bony fish, and cartilaginous fish. Agnatha Moving into the vertebrate…
Ichthyology (from ichthyo before a consonant and ichthy before a vowel, deriving from the Greek ixthu, combining form of ixthus, meaning "fish") is the branch of zoology devoted to the study of fish. This includes bony fish (class Osteichthyes, with over 26,000 species), cartilaginous fish (class Chondrichthyes, about 800 species including sharks and rays), and jawless fish (class or ...