Results 61 to 70 of about 784 (183)
Background Sturgeons (Acipenseriformes) are polyploid chondrostean fish that constitute an important model species for studying development and evolution in vertebrates.
Xiujuan Zhang +7 more
doaj +1 more source
Karyological study in backcross hybrids between the sterlet, Acipenser ruthenus, and kaluga, A. dauricus (Actinopterygii: Acipenseriformes: Acipenseridae): A. ruthenus × (A. ruthenus × A. dauricus) and A. dauricus × (A. ruthenus × A. dauricus) [PDF]
Background. Acipenserid fishes may be divided into three groups in terms of their ploidy levels: 1) 120-chromosomes, 2) 250–270-chromosomes, and 3) about 370-chromosomes.
V.P. Vasil’Ev +3 more
doaj +3 more sources
ABSTRACT Oropharyngeal food processing exhibits a remarkable diversity among vertebrates, reflecting the evolution of specialised ‘processing centres’ associated with the mandibular, hyoid, and branchial arches. Although studies have detailed various food‐processing strategies and mechanisms across vertebrates, a coherent and comprehensive terminology ...
Daniel Schwarz +6 more
wiley +1 more source
Elasmobranchii and Acipenseriformes are two ancient, yet highly derived groups of cartilaginous fishes with trophic dynamics ranging from planktivore to carnivore, habitat distributions ranging from the northern hemisphere to circumglobal, and widely ...
Maroni, Kendra M.
core +1 more source
International audienceWe review current knowledge of axial skeleton biology in Acipenseriformes with the aim to know whether available data can help in understanding axial anomalies (anomalies of the vertebral column) in reared sturgeons or if further ...
Sire, J. -Y., Leprevost, A.
core +1 more source
We present recent records of sturgeons and paddlefishes from the rivers in Danube basin in Slovenia after 2000. Strictly, only confirmed and unambiguous records (specimen, picture) were taken into account. The sterlet and the Siberian sturgeon have been
Marijan Govedič, Thomas Friedrich
doaj +1 more source
Global Patterns and Gaps in Research on Salinity Tolerance of Inland Fishes
ABSTRACT Freshwater salinization is an emerging threat impacting approximately one‐third of the world's freshwater bodies. However, the salinity tolerance of many inland fishes remains understudied, despite being a crucial factor in determining species distributions and fitness.
Carlos Cano‐Barbacil +4 more
wiley +1 more source
Suspension and optical properties of the crystalline lens in the eyes of basal vertebrates.
We have investigated the apparatus suspending the crystalline lens in the eyes of basal vertebrates. Data are presented for Holocephali (Chondrichthyes) and the actinopterygians Polypteriformes, Polyodontidae (Acipenseriformes), Lepisosteiformes ...
Inga Tuminaite +6 more
core +1 more source
Evolution of the facial musculature in basal ray-finned fishes
Background The facial musculature is a remarkable anatomical complex involved in vital activities of fishes, such as food capture and gill ventilation.
Aléssio Datovo, Pedro P Rizzato
doaj +1 more source
Dam Submergence Flows: An Environmental Flow Prescription Designed to Aid Migratory Fish Passage
ABSTRACT As part of a holistic ecosystem‐focused set of unified flow prescriptions, natural spring flood events were enhanced with releases from an upstream reservoir on the Cape Fear River in North Carolina (USA) to submerge a series of low‐use, low‐head lock‐and‐dam structures for anadromous fish to move upstream.
Aaron J. Bunch +6 more
wiley +1 more source

