Results 171 to 180 of about 1,864 (206)

Molecular phylogeny of the subfamily Stevardiinae Gill, 1858 (Characiformes: Characidae): classification and the evolution of reproductive traits. [PDF]

BMC Evol Biol, 2015
Thomaz AT, Arcila D, Ortí G, Malabarba LR.   +3 more
europepmc   +1 more source

Changing sex for selfish gain: B chromosomes of Lake Malawi cichlid fish. [PDF]

Sci Rep, 2019
Clark FE, Kocher TD.
europepmc   +1 more source

A new miniature characid (Ostariophysi: Characiformes: Characidae), with phylogenetic position inferred from morphological and molecular data. [PDF]

PLoS One, 2013
Netto-Ferreira AL, Birindelli JL, de Sousa LM, Mariguela TC, Oliveira C.   +4 more
europepmc   +1 more source

Parallel body shape divergence in the Neotropical fish genus Rhoadsia (Teleostei: Characidae) along elevational gradients of the western slopes of the Ecuadorian Andes. [PDF]

PLoS One, 2017
Malato G, Shervette VR, Navarrete Amaya R, Valdiviezo Rivera J, Nugra Salazar F, Calle Delgado P, Karpan KC, Aguirre WE.   +7 more
europepmc   +1 more source

Unraveling a 150-Year-Old Enigma: <i>Psalidodon rivularis</i> (Acestrorhamphidae: Acestrorhampinae), a Species Complex or a Polymorphic Species? [PDF]

Biology (Basel)
Rodrigues-Oliveira IH, de Assis PM, Pimentel LGP, Soares RAS, Batista da Silva I, Rocha RR, Menegidio FB, Pasa R, Kavalco KF.   +8 more
europepmc   +1 more source

Revisiting the type material of two African Diplozoinae (Diplozoidae: Monogenea), with remarks on morphology, systematics and diplozoid specificity. [PDF]

PeerJ
Dos Santos QM, Avenant-Oldewage A.
europepmc   +1 more source

The imperiled fish fauna in the Nicaragua Canal zone. [PDF]

Conserv Biol, 2017
Härer A, Torres-Dowdall J, Meyer A.
europepmc   +1 more source

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South American characids share very similar ionoregulatory characteristics

Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 2018
We examined ionoregulatory characteristics of four Characids from diverse locations in South America, emperor tetras (Nematobrycon palmeri), penguin tetras (Thayeria boehlkei), serpae tetras (Hyphessobrycon eques), and rosy tetras (Hyphessobrycon rosaceous).
R J, Gonzalez, A, Cradeur, M, Guinnip, A, Mitchell, V, Reduta   +4 more
openaire   +2 more sources

Visual discrimination by the spraying characid, Copeina arnoldi Regan

Animal Behaviour, 1973
Abstract Visual discrimination by male spraying characids, Copeina arnoldi , during spawn splashing was studied. Apparently the spawn is not used per se in directing parental splashing. Males discriminated between the standard 12·7-cm disc and a square, a triangle, a white disc, and a small disc in successive and/or simultaneous presentations.
C O, Krekorian, D W, Dunham
openaire   +2 more sources

Miocene Characid Fishes from Colombia: Evolutionary Stasis and Extirpation

Science, 1986
Fossil fishes from the Miocene La Venta fauna of the Magdalena River Valley, Colombia, are identified as Colossoma macropomum (Characidae), a living species from the Orinoco and Amazon basins. The fossils document a long and conservative history for a species that is highly specialized for feeding on streamside ...
J G, Lundberg, A, Machado-Allison, R F, Kay   +2 more
openaire   +2 more sources