Results 101 to 110 of about 42,740 (228)

STUDIES ON PYCNODONT FISHES (I): EVALUATION OF THEIR PHYLOGENETIC POSITION AMONG ACTINOPTERYGIANS

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2015
One of the main pending, unsolved problems concerning the study of the pycnodont fishes is their phylogenetic relationships with other major actinopterygian groups.
FRANCISCO JOSÉ POYATO-ARIZA
doaj   +1 more source

Prey body size mediates the predation risk associated with being "odd" [PDF]

open access: yes, 2014
Despite selection pressures on prey animals to maintain phenotypically homogeneous groups, variation in phenotype within animal groups is commonly observed.
Downing, Beatrice   +2 more
core   +2 more sources

Dorsolateral head muscles of the catfish families Nematogenyidae and Trichomycteridae (Siluriformes: Loricarioidei): comparative anatomy and phylogenetic analysis

open access: yesNeotropical Ichthyology
The skeletal muscles of the dorsolateral region of the head of the Nematogenyidae and representatives of the all major clades of the Trichomycteridae are described and illustrated.
Aléssio Datovo   +1 more
doaj   +1 more source

Reconstructing the phylogeny and evolutionary history of freshwater fishes (Nemacheilidae) across Eurasia since early Eocene

open access: yeseLife
Eurasia has undergone substantial tectonic, geological, and climatic changes throughout the Cenozoic, primarily associated with tectonic plate collisions and a global cooling trend.
Vendula Bohlen Šlechtová   +7 more
doaj   +1 more source

The distribution of the fathead sculpin species Cottunculus subspinosus Jensen, 1902

open access: yesFauna Norvegica, 2018
The range of the rarely caught fathead sculpin species Cottunculus subspinosus has been considered restricted to the waters off East Greenland and Northeast Iceland.  For the first time the species is recorded from the east side of the Norwegian Sea, and
Ingvar Byrkjedal   +3 more
doaj   +1 more source

The full-length mitochondrial genome of Cobitis nalbanti (Teleostei: Cypriniformes: Cobitidae)

open access: yesMitochondrial DNA. Part B. Resources, 2018
The entire mitochondrial genome of Cobitis nalbanti (Teleostei: Cypriniformes: Cobitidae) was analyzed using the primer walking method. The mitogenome was 16,631 bp in length, comprising 13 protein-coding genes, 2 ribosomal RNA genes, and 22 transfer RNA
Hong Keun Park   +3 more
doaj   +1 more source

Lycodes adolfi Nielsen & Fosså, 1993 (Teleostei: Zoarcidae) recorded near Jan Mayen and in the eastern part of the Norwegian Sea

open access: yesFauna Norvegica, 2009
Specimens of Lycodes adolfi were collected from an epibenthic sampler at six stations near Jan Mayen and in the eastern part of the Norwegian Sea. The stations were at depths from 708 to 2150 m and all of them had subzero water temperatures.
Ingvar Byrkjedal   +2 more
doaj   +1 more source

Biologia do jundiá Rhamdia quelen (Teleostei, Pimelodidae) Biology of Rhamdia quelen (Teleostei, Pemelodidae)

open access: yesCiência Rural, 2000
O jundiá, Rhamdia quelen, é encontrado desde o centro da Argentina até o sul do México, e seu cultivo está aumentando no sul do Brasil. Portanto, o objetivo desta revisão é apresentar os dados existentes até o momento sobre a biologia dessa espécie. R. quelen pode atingir 50cm de comprimento e 3kg de peso, possui hábito noturno e habita locais calmos e
Levy de Carvalho Gomes   +3 more
openaire   +1 more source

Spawning, egg development and recruitment of diadromous galaxiids in Taranaki, New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Ecology at Massey University [PDF]

open access: yes, 2002
Spawning biology of Galaxias postvectis Clarke (shortjaw kokopu) was investigated in streams in northwest Taranaki, New Zealand. Most G. postvectis were found to spawn near their adult habitat on the river bank during spate flows between May 9 and 17 ...
Charteris, Sjaan Clare
core  

Origine e radiazione degli Acantomorfi (Teleostei, Acanthomorpha): implicazioni stratigrafiche, paleoecologiche e filogenetiche. [PDF]

open access: yes, 2009
Origine e radiazione degli Acantomorfi (Teleostei, Acanthomorpha): implicazioni stratigrafiche, paleoecologiche e ...
NATALE, MARCO
core  

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