Results 21 to 30 of about 6,680 (163)

New vertebrate microfossils expand the diversity of the chondrichthyan and actinopterygian fauna of the Maastrichtian–Danian Hornerstown Formation in New Jersey [PDF]

open access: yesActa Palaeontologica Polonica
The abundance of shark and actinopterygian fossils in the Cretaceous and Paleogene strata of the Atlantic Coastal Plain is well documented; but much remains unknown about the survivorship patterns of these major components of shallow marine faunas in the
ZACHARY M. BOLES   +4 more
doaj   +1 more source

A new specimen of Birgeria liui (Osteichthyes, Actinopterygii) from the Longobardian (Ladinian, Middle Triassic) of Xingyi, Guizhou Province, South China [PDF]

open access: yesResearch & Knowledge, 2017
Birgeria was one of the largest carnivorous ishes from the Triassic, spanning almost the entire period and, with an almost cosmopolitan distribution. Birgeria liui was originally described based on the incomplete holotype from the Middle Triassic marine ...
Ni Peigang   +3 more
doaj   +1 more source

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

New, large actinopterygian fishes from the upper Carboniferous of Nýřany, Czech Republic [PDF]

open access: yesActa Palaeontologica Polonica
The lacustrine coal deposits at Nýřany, Czech Republic, yielded a diversified vertebrate assemblage of the Middle Pennsylvanian (Moscovian) age, represented by the remains of early tetrapods, as well as numerous freshwater ichthyofauna, including ...
Pavel Barták   +4 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

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

Scale deformities in Nile tilapia, Oreochromis niloticus, (Actinopterygii: Cichlidae) from Sudan [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2005
Scale deformity in Nile tilapia, Oreochromis niloticus, (Actinopterygii: Cichlidae) is reported for the first time from Dongola, north of Sudan. The abnormal scales are fused pairs, with two well-developed foci.
L.A. Jawad
doaj   +3 more sources

Complete mitogenomes of five ecologically diverse Australian freshwater fishes

open access: yesMitochondrial DNA. Part B. Resources, 2019
Complete mitochondrial genome sequences were determined for five species of Australian freshwater fishes, representing a diverse range of ecologies and life histories. Mitogenomes were sequenced and annotated for Craterocephalus stramineus (Atherinidae);
Daniel J. Schmidt, Carmel McDougall
doaj   +1 more source

Fish occurrence in the middle Volga and upper Don regions (Russia) [PDF]

open access: yesBiodiversity Data Journal, 2020
In ichthyological publications from both Russia as a whole, and from the study region, lack of data indicating the actual results of observations in a specific place all result in publication of a generalised analysis.
Oleg Artaev   +8 more
doaj   +3 more sources

Mobile Elements in Ray-Finned Fish Genomes

open access: yesLife, 2020
Ray-finned fishes (Actinopterygii) are a very diverse group of vertebrates, encompassing species adapted to live in freshwater and marine environments, from the deep sea to high mountain streams.
Federica Carducci   +4 more
doaj   +1 more source

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