Freshwater fish
Freshwater fish internals as a promising source of biologically active lipid complexes
... from freshwater fish entrails has been carried ...of freshwater fish internals has shown that the highest content of fat (averaged 13,8 %) is typical for internals of fish like carp, ...
7
Biomonitoring of Cr and Pb in freshwater fish.
... IN FRESHWATER FISH. Trace metal content of three fish species harvested from a tank located in the City of Guarapuava-PR, Brazil were determined by digestion and ...in fish samples were ...in ...
5
Distribution pattern of crustacean ectoparasites of freshwater fish from Brazil
... of fish (FRYER, 1968; DOUELLOU & ERLWANGER, 1994; CARVALHO et ...on fish populations, especially through causing reductions in the hosts’ growth and reproduction rates, along with mortality among these ...
12
Biochemical Biomarkers of Exposure to Deltamethrin in Freshwater Fish, Ancistrus multispinis
... Pyrethroids are synthetic derivatives of pyrethrins, which are toxic components contained in the flowers of Chrysanthemum cinerariaefolium. Although synthetic pyrethroids are less persistent and less toxic to mammals and ...
7
Contribution of conservation genetics in assessing neotropical freshwater fish biodiversity
... of freshwater fish in the neotropics, relating it to events involved in the final establishment of the modern South American rivers between 15 and 10 million years ago (Ma) (Lundberg et ...ing fish ...
12
Content comparison of polycyclic aromatic hydrocarbons (PAHs) in traditionally smoked freshwater fish
... different freshwater fish species that were traditionally (directly) ...16 freshwater fish samples of four species: rainbow trout (Oncorhynchus mykiss), carp (Cyprinus carpio), vendace ...
9
Development of the freshwater fish assemblage in the Mark watershed, the Netherlands
... 10). fish assemblages are affected by much more factors than were included for this ...the freshwater fish assemblage during the sampling event of ...
119
Evaluation of the Effects of Pressure Gradients on Four Brazilian Freshwater Fish Species
... Brazilian freshwater fish species when submitted to a gradual increase in pressure, as well as sudden decompression’s effects simulating the passage through a hydroelectric ...downstream fish ...
8
Can DNA barcoding accurately discriminate megadiverse Neotropical freshwater fish fauna?
... of freshwater ecosystems, which can include many physical and chemical barriers ...the freshwater fishes have a limited dispersal capability, espe- cially among those belonging to small-sized groups, which ...
14
Amplification of a GC-rich heterochromatin in the freshwater fish Leporinus
... At least two categories of heterochromatin could be observed in the chromosomes of L. desmotes. First, there was the centromeric heterochromatin, which showed no fluorescence by MM staining. This is a common finding ...
6
Different feeding habits influence the activity of digestive enzymes in freshwater fish
... species studied. The main digestive enzymes of H. malabaricus are represented by acid protease in the stomach and trypsin in the intestine, but this species also showed some chymotrypsin and maltase activity in the ...
7
Chromosomal evidence of population subdivision in the freshwater fish Leporinus elongatus in the Upper Paraná River basin
... Little is known about the genetic structure of Brazil- ian freshwater fishes. Recently, molecular markers have been used for genetic structure analyses in different migra- tory fish species (e.g., Martins ...
5
Evaluation of pathogenic fungi occurrence in traumatogenic structures of freshwater fish
... in freshwater ish that are pathogenic to ...some freshwater ish present pathogenic fungi and this may be an important infection route that must be considered in some regions of Brazil, since there are a ...
4
Physiological effects of gasoline on the freshwater fish Prochilodus lineatus (Characiformes: Prochilodontidae)
... enable the animal to respond defensively to the stressor. Increased plasma glucose has already been observed in other studies after exposure to polycyclic aromatic hydrocarbons (PAHs) (Vijayan et al., 1997; Pacheco & ...
9
Invasion risks posed by ornamental freshwater fish trade to southeastern Brazilian rivers
... ornamental fish were the ability to tolerate changes in water temperature and dissolved oxygen levels, omnivorous diet (feeding on at least two items among organic debris, micro- or macrophytes, micro- or ...
9
Freshwater fish technology: utilization of "pacu"(Piaractus mesopotamicus).
... FERREIRA & ANDRADE (1990) determinaram a composição química de várias espécies de água doce, a saber, o mandi (Pimelodus clarias), a carpa (Cyprinus carpio) e a tilápia (Oreochro[r] ...
8
Reproductive strategies and genetic variability in tropical freshwater fish
... marine, freshwater and anadromous (fish which live mostly in the sea but breed in fresh water) fish and concluded that marine fish have greater genetic variability than the other ...
8
Ovarian fluid mediates the temporal decline in sperm viability in a fish with sperm storage.
... polyandrous freshwater fish exhibiting internal fertilization and sperm storage, to determine whether ovarian fluid (OF) influences the decline in sperm viability (the proportion of live sperm in the ...
5
REPRODUCTIVE ECOLOGY OF A NEOTROPICAL CICHLID FISH, Cichla monoculus (Osteichthyes: Cichlidae)
... the freshwater fish Cichla monoculus Spix, 1831 (Osteichthyes: Cichlidae) was investigated in the Campo Grande Reservoir, Northeast ...monthly. Fish collected on a monthly basis were measured, ...
10
Light and electron microscopy of Myxobolus sciades n. sp. (Myxozoa), a parasite of the gills of the Brazilian fish Sciades herzbergii (Block, 1794) (Teleostei: Ariidae)
... Brazilian fish, only nine can be carriers of Myxobolus spp because this species has equal-sized PCs and infects freshwater fish gills (Ta- ...
5