Results 41 to 50 of about 8,491 (227)

Age at maturity of some fish species distributed in Turkish marine waters (Actinopterygii and Elasmobranchii)

open access: yes, 2017
We collected data on the age at maturity (tm) and maximum reported age (tmax) for 153 stocks of marine fishes in Turkey, belonging to 59 species, 24 families and 2 classes (Actinopterygii and Elasmobranchii). Among Actinopterygii tm had an average of 1.8
Gündoğdu S.   +5 more
core   +1 more source

The tail of the Jurassic fish Leedsichthys problematicus (Osteichthyes: Actinopterygii) collected by Alfred Nicholson Leeds - an example of the importance of historical records in palaeontology [PDF]

open access: yes, 2004
The specimen of the tail of <i>Leedsichthys problematicus</i>, now in The Natural History Museum, London, was one of the most spectacular fossil vertebrates from the Oxford Clay Formation of Peterborough, but as an isolated find it shares no ...
L. F. Noè   +3 more
core   +1 more source

Molecular characterization of marine and coastal fishes of Bangladesh through DNA barcodes

open access: yesEcology and Evolution, 2021
This study describes the molecular characterization of marine and coastal fishes of Bangladesh based on the mitochondrial cytochrome c oxidase subunit I (COI) gene as a marker.
Md. Sagir Ahmed   +3 more
doaj   +1 more source

150 million years of freshwater fish biogeography: vicariance or dispersal? [PDF]

open access: yesResearch & Knowledge, 2017
Freshwater fishes are supposedly good case studies to test palaeobiogeographical models because they are attached to land masses, at least primary freshwater fishes, which are unable to cross marine barriers.
Lionel Cavin
doaj   +1 more source

Integrating multi-origin expression data improves the resolution of deep phylogeny of ray-finned fish (Actinopterygii)

open access: yes, 2012
The actinopterygians comprise nearly one-half of all extant vertebrate species and are very important for human well-being. However, the phylogenetic relationships among certain groups within the actinopterygians are still uncertain, and debates about ...
He, Shunping   +5 more
core   +1 more source

New Genus of the Actinopterygian Fishes (Eurynotoidiidae) from the Urzhumian of Republic of Tatarstan (Kluchevskoy Ovrag locality) [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Серия Науки о Земле
New genus and species of eurynotoidiid actinopterygians (Eurynotoidiformes), Kluchevichthys praeclarus gen. et sp. nov., is described from the uppermost Urzhumian (Kluchevskoy Ovrag locality), Tetushi District, Republic of Tatarstan.
Minikh, Alla Vasilievna   +2 more
doaj   +1 more source

New records of two southern fishes found in northern waters of the Iberian Peninsula [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2017
The first records of the spearfish remora, Remora brachyptera (Lowe, 1839) (Actinopterygii: Echeneidae), and the white grouper, Epinephelus aeneus (Geoffroy Saint-Hilaire, 1817) (Actinopterygii: Serranidae), from northern Spanish waters are reported ...
R. Bañón   +4 more
doaj   +3 more sources

Confocal Characterization of Intestinal Dendritic Cells from Myxines to Teleosts

open access: yesBiology, 2022
Dendritic cells (DCs) are antigen-presenting cells (APCs) that regulate the beginning of adaptive immune responses. The mechanisms of tolerance to antigens moving through the digestive tract are known to be regulated by intestinal DCs.
Alessio Alesci   +9 more
doaj   +1 more source

Length-weight relationships of 216 North Sea benthic invertebrates and fish [PDF]

open access: yes, 2010
Size-based analyses of marine animals are increasingly used to improve understanding of community structure and function. However, the resources required to record individual body weights for benthic animals, where the number of individuals can reach ...
Greenstreet, S.P.R.   +7 more
core   +1 more source

Feeding habit and diet composition of Glossogobius aureus Akihito & Meguro, 1975 in the Vietnamese Mekong Delta

open access: yesEgyptian Journal of Aquatic Research, 2023
Glossogobius aureus (Gobiiformes: Gobiidae) is a target fish and widely distributed in the Mekong Delta, from fresh to brackish waters. However, knowledge on its food and feeding ecology is scarce.
Gieo Hoang Phan   +5 more
doaj   +1 more source

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