| gastrointestinal helminths of commerson's dolphins cephalorhynchus commersonii from central patagonia and tierra del fuego. | the stomachs and intestines of 9 commerson's dolphins incidentally caught in trawl nets in central patagonia and 23 stranded on beaches in tierra del fuego were surveyed for helminth parasites. a total of 267 individuals belonging to 4 species of parasites (1 nematode, 3 digeneans) were found in the dolphins from the first area: anisakis sp. (larvae type 1 = a. simplex), braunina cordiformis, hadwenius sp. and pholeter gastrophilus. in the tierra del fuego dolphins, 142 specimens belonging to 3 ... | 2001 | 11804419 |
| hepatic and renal metallothionein concentrations in commerson's dolphins (cephalorhynchus commersonii) from tierra del fuego, south atlantic ocean. | the commerson's dolphin is the most common endemic odontocete of subantarctic waters of tierra del fuego, argentina incidentally caught in fishing nets. the species is classified as "data deficient" by the iucn. metallothioneins (mts) are considered as suitable biomarkers for health and environmental monitoring. the aims of the study were to assess mt concentrations in the liver and kidney of bycaught specimens. moreover, correlations with zn, se, cd, ag and hg, and the molar ratios of mt:metals ... | 2016 | 27072824 |
| mercury and selenium in subantarctic commerson's dolphins (cephalorhynchus c. commersonii). | total mercury (thg) and selenium (se) concentrations were determined in hepatic, renal, and muscle tissues of seven specimens of commerson's dolphins incidentally captured in artisanal fisheries of tierra del fuego, argentina, by instrumental neutron activation analysis. liver yielded the mean highest concentration of thg 9.40 (9.92) μg g(-1) dry weight (dw) (standard deviation of the average in parenthesis); kidney and muscle showed similar values, ranging from 2.34 to 3.63 μg g(-1) dw. seleniu ... | 2013 | 23225076 |