Results 61 to 70 of about 3,770 (182)
Five new species of Hemibrycon (Characiformes: Characidae) from the Río Magdalena basin, Colombia
Five new fish species of the genus Hemibrycon are described from the Río Magdalena basin, Colombia, using morphometric, meristic and osteological characters. Hemibrycon paez (n=40) differs in number of lateral line scales (39 to 42 vs.
César Román-Valencia +1 more
doaj
This study applies eDNA metabarcoding on conserved and hypervariable mitochondrial markers to assess species diversity in Caribbean marine fishes and population haplotype diversity in grunts. By standardizing biodiversity monitoring across scales, eDNA provides a unified understanding of the processes generating diversity patterns from populations to ...
Maurine Vilcot +7 more
wiley +1 more source
Sahyadria, a new genus of barbs (Teleostei: Cyprinidae) from Western Ghats of India
Redline Torpedo Barbs (Teleostei: Cyprinidae), comprising of two species, Puntius denisonii and P. chalakkudiensis, and six evolutionarily distinct lineages are endemic to the streams of the Western Ghats freshwater ecoregion in peninsular India.
R. Raghavan +3 more
doaj +1 more source
The number and distribution of olfactory receptors over the olfactory lamellar surface of four juvenile southern bluefin tuna were quantified using scanning electron microscopy. The microvillous olfactory receptors (mORN) are concentrated in the rostral region of the lamellar surface, while ciliated olfactory receptors (cORN), which are dominant in ...
Myoung‐Hoon Ha +5 more
wiley +1 more source
Foram analisados os conteúdos gastro-intestinais de 268 indivíduos de B. soporator capturados entre junho de 1991 e setembro de 1992 em um manguezal na localidade de Cacha Pregos (sul da Ilha de Itaparica, Estado da Bahia, Brasil - cerca de 13º07'S ...
Paulo Roberto Duarte Lopes +1 more
doaj
The absolute and relative volume of major sensory and integrative brain regions of the southern bluefin tuna Thunnus maccoyii are examined using magnetic resonance imaging (MRI). A dominant cerebellum projects into the midbrain ventricular space, while the optic tectum represents a smaller proportion of total brain volume than previously estimated ...
Myoung Hoon Ha +9 more
wiley +1 more source
A single specimen of a new acanthomorph fish is described from a Turonian locality sampling the northern part of the Cretaceous Western Interior Seaway.
Alison M Murray
doaj +3 more sources
First record of Diaphus rafinesquii (Cocco, 1838) (Myctophidae) in the Norwegian Sea
The myctophid Diaphus rafinesquii is endemic in the North Atlantic and the Mediterranean and was for the first time found in the Norwegian Sea. The specimen was captured off northern Norway at about 71° N, representing the northernmost record so far ...
Rupert Wienerroither, Otte Bjelland
doaj +1 more source
Teleostei, Scophthalmidae: four-spot megrim spotted in Norwegian waters
The flatfish four-spot megrim (Lepidorhombus boscii) was registered in Norwegian waters, both in trawl catches and video observations. The records represent a considerable northward extension of the species.
Rupert Wienerroither +3 more
doaj +1 more source
The haematozoa of Australian marine Teleostei
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Mackerras, I M, Mackerras, M Josephine
openaire +1 more source

