Jawless vertebrates, which today consist entirely of lampreys and hagfish, have an adaptive immune system similar to that found in jawed vertebrates. The...

Like the innate system, the adaptive immune system includes both humoral immunity components and cell-mediated immunity components and destroys invading...

digits. Fish can be grouped into the more basal jawless fish and the more common jawed fish, the latter including all living cartilaginous and bony fish, as...

(a-) 'without' and γνάθος (gnáthos) 'jaws') or jawless fish is a paraphyletic infraphylum of animals in the subphylum Vertebrata of the phylum Chordata...

Henneguya zschokkei in salmon beard Skin ulcers in tilapia exposed to Pfiesteria shumwayae Immune organs vary by type of fish. In the jawless fish (lampreys and...

capable of evoking a response in a limited set of circumstances. Immune organs vary by type of fish. In the jawless fish (lampreys and hagfish), true lymphoid...

mechanisms, including the ability to adapt to recognize pathogens more efficiently. Adaptive (or acquired) immunity creates an immunological memory leading...

damage to the host's own tissue. Classical adaptive immune memory evolved in jawed vertebrates and in jawless fish (lamprey), which is approximately just...

Fish migration is mass relocation by fish from one area or body of water to another. Many types of fish migrate on a regular basis, on time scales ranging...

lamprey eels) are a group of jawless fish composing the order Petromyzontiformes /ˌpɛtroʊmɪˈzɒntɪfɔːrmiːz/, sole order in the class Petromyzontida. The...

vertebrates that comprises the living jawless fish classes: the lampreys and hagfishes. Both groups have jawless mouths with horny epidermal structures...

evolutionary step in the vertebrate history". Fish without jaws had more difficulty surviving than fish with jaws, and most jawless fish became extinct during...

Fish farming or pisciculture involves commercial breeding of fish, most often for food, in fish tanks or artificial enclosures such as fish ponds. It...

40 pounds of fish through its 12–18 month feeding period. The sea lamprey has an eel-like body without paired fins. Its mouth is jawless, round and sucker-like...

group in the evolutionary timeline of myelin development. Like all other jawed vertebrates, members of Chondrichthyes have an adaptive immune system...

IL-2/15/15L-family cytokines. Homologues of IL-2 have not been reported for jawless fish (hagfish and lamprey) or invertebrates. While the causes of itchiness...

confuse predators. Reef fish have also evolved complex adaptive behaviours. Small reef fish get protection from predators by hiding in reef crevices or by...

types of lymphocyte that are crucial components of the adaptive immune system. In the vertebrate immune system, each antibody is customized to attack one particular...

most species have colour vision. Some fish can see ultraviolet and some can see polarized light. Amongst jawless fish, the lamprey has well-developed eyes...

only the mother can transfer immune information, is believed to have an additive beneficial effect on offspring immunity. Courtship between male and female...

point to innate immune functions of LSECs. In addition, LSECs display features of adaptive immunity, contributing to hepatic immune tolerance. LSECs...

looks like mammalian IL-15Rα. In fish, as in mammals, IL-15 appears to stimulate type 1 (Th1) immunity. In jawless fish or invertebrates, homologues of...

AM-fee-OK-səs), consist of 32 described species of somewhat fish-like benthic filter-feeding chordates in the subphylum Cephalochordata, class Leptocardii, and...

pipefishes (Syngnathiformes: Syngnathidae): Insight into the adaptive radiation of syngnathid fishes". BMC Evolutionary Biology. 19 (1): 119. Bibcode:2019BMCEE...

Ichthyology – study of fishes. This includes bony fishes (Osteichthyes), cartilaginous fishes (Chondrichthyes), and jawless fishes (Agnatha). Malacology...

larger. In many bird and mammal species, the left may be larger. Fish usually have two testes of a similar size. The primitive jawless fish have only...

different. Hemoglobins in jawed vertebrates and jawless fish evolved independently. The oxygen-binding hemoglobins of jawless fish evolved from an ancestor...

Sharks are a group of elasmobranch cartilaginous fishes characterized by a ribless endoskeleton, dermal denticles, five to seven gill slits on each side...

Functional Morphology of the Integumentary System in Fishes. In: Farrell A.P., (ed.), Encyclopedia of Fish Physiology: From Genome to Environment, volume...

evidence for gradual evolution of the adaptive immune system. They could demonstrate the presence in jawless vertebrates of several auxiliary components...