Results 81 to 90 of about 1,864 (206)

Continuous tooth replacement: what can teleost fish teach us?

open access: yesBiological Reviews, Volume 99, Issue 3, Page 797-819, June 2024.
ABSTRACT Most tooth‐bearing non‐mammalian vertebrates have the capacity to replace their teeth throughout life. This capacity was lost in mammals, which replace their teeth only once at most. Not surprisingly, continuous tooth replacement has attracted much attention. Classical morphological studies (e.g.
Ann Huysseune, P. Eckhard Witten
wiley   +1 more source

Juveniles of the piscivorous dourado Salminus brasiliensis mimic the piraputanga Brycon hilarii as an alternative predation tactic

open access: yesNeotropical Ichthyology, 2011
In the district of Bom Jardim, in Nobres, Mato Grosso State, Brazil, there are clear water streams originating on karstic terrain. The dourado, Salminus brasiliensis, is an apex stalking predator in these streams. In clear waters, where visually oriented
Eduardo Bessa   +3 more
doaj  

Descripción de los complejos estructurales óseos en Helcogrammoides chilensis (Blennioidei: Tripterygiidae) de la zona central de Chile [PDF]

open access: yes, 2010
Indexación: ScieloAbstract: This paper describes the osteological features in the context of the structural complexes they build as a way of avoiding their separation from the morphofunctional wholes to which they belong.
Cancino, Cecilia   +4 more
core   +2 more sources

Juveniles of the piscivorous dourado Salminus brasiliensis mimic the piraputanga Brycon hilarii as an alternative predation tactic

open access: yesNeotropical Ichthyology
In the district of Bom Jardim, in Nobres, Mato Grosso State, Brazil, there are clear water streams originating on karstic terrain. The dourado, Salminus brasiliensis, is an apex stalking predator in these streams. In clear waters, where visually oriented
Eduardo Bessa   +3 more
doaj   +1 more source

First record of Aphyocharax anisitsi Eigenmann & Kennedy, 1903 in the upper Bermejo River basin, northwestern Argentina [PDF]

open access: yes, 2016
Aphyocharax anisitsi es registrado por primera vez en la Cuenca alta del Río Bermejo, Argentina, en las provincias de Salta y Jujuy. Esto representa una extensión de la distribución conocida de aproximadamente 600 km.
Aguilera, Gaston   +3 more
core  

Osteología y lepidología de Gymnocharacinus Bergi [Pisces Characidae] [PDF]

open access: yes, 1983
Fil: Miquelarena, Amalia María. CONICETFil: Aramburu, Raúl Horacio.
Aramburu, Raúl Horacio   +1 more
core  

Behavior in an ?intermediate? population of the subterranean-dwelling characid Astyanax fasciatus

open access: yesEnvironmental Biology of Fishes, 1984
A population of the characid Astyanax fasciatus was found living at the outflow of a subterranean source of water. Field observations revealed differences in behavior when compared with river populations. Affinity of this fish for the subterranean cavity was evidenced by behavior and distribution of individuals. Fish almost always carried bait into the
openaire   +2 more sources

Knodus pasco sp. n. - a new characid fish (Teleostei: Characiformes: Characidae) from Peru [PDF]

open access: yesVertebrate Zoology, 2007
A new species – Knodus pasco sp. n. – from surroundings of San Antonio de Cacazú in Peru (Departamento Pasco) is described (Teleostei: Characiformes: Characidae). It is a small species of the genus Knodus EIGENMANN, 1911 (lateral line complete, basis of caudal fin scaled, four teeth in the second row of premaxillary bone), which differs from all ...
openaire   +1 more source

Reproductive biology and development of gill glands in the inseminating characid, Macropsobrycon uruguayanae Eigenmann, 1915 (Cheirodontinae: Compsurini)

open access: yesNeotropical Ichthyology
The reproductive biology and development of the gill gland are described for Macropsobrycon uruguayanae, an inseminating characid species of the tribe Compsurini, subfamily Cheirodontinae.
Marco A. Azevedo   +2 more
doaj   +1 more source

Characterization of genetic biodiversity of Nile perch, Lates niloticus, Tilapiines, Haplochromine flock and Ningu (Labeo victorianus) in the Victoria Lake Basin: an overview [PDF]

open access: yes, 2000
Genetic biodiversity is the variation among individuals within and between units of interbreeding individuals (populations) of a species. It includes inheritable and transmittable differences that occur between individuals and/or populations of a given ...
Mwanja, W, Ogutu-Ohwayo, R.
core  

Home - About - Disclaimer - Privacy