The activity of glutathione-S-transferase (GST) in blood cells, liver, spleen and gonads in five Black Sea fish species horse mackerel Trachurus mediterraneus (Staindachner), high body pickarel Spicara flexuosa (Rafinesque), shore rockling Gaidropsarus mediterraneus (L.), round goby Neogobius melanostomus (Pallas), scorpion fish Scorpaena porcus (L.) caught in coastal area of Sevastopol (Black ...

A microsatellite-enriched genomic library for marble goby (Oxyeleotris marmoratus), a freshwater fish of considerable economic value, was obtained. A total of 16 microsatellite markers were successfully isolated and characterized in a population from the Mekong River in Vietnam. These markers had 2-20 alleles with expected heterozygosity ranging from 0.0370 to 0.8927. Linkage equilibrium was ob...

In order to determine the absolute configuration of naturally occurring alloxanthin, a HPLC analytical method for three stereoisomers 1a-c was established by using a chiral column. Two authentic samples, (3S,3'S)- and meso-stereoisomers 1b and 1c, were chemically synthesized according to the method previously developed for (3R,3'R)-alloxanthin (1a). Application of this method to various alloxan...

Concentration of blood serum albumin of the round goby Neogobius melanostomus caught in Black Sea and Azov Sea was studied in relation to age, sex, maturation and season. Albumin concentration in fish from Azove Sea was 3-fold higher than in the animals from Black Sea. Albumin level in fish serum depended on fish physiological status, maturation, age, season and geographical location. The varia...

This study results from a continued investigation of the occurrence and diversity parasites freshwater fish in Solomon Islands. Thus, we revealed new host as well site infection geographical area for cryptogonimid parasite, Stemmatostoma cribbi (Digenea: Cryptogonimidae). The species was identified based on general morphology molecular data metacercariae found gills cleft-lipped goby, Sicyopter...

Aim The few fish species able to reproduce across wide osmotic ranges either plastically acclimate sperm performance to, or are locally adapted different salinities. invasive round goby (Neogobius melanostomus) is spreading in Eurasia and the Americas, into both fresh brackish water. We aim understand if reproduction salinities affected by an ability acclimate. Location Brackish freshwater syst...

Since the collapse of the pelagic fisheries off southwest Africa in the late 1960s, jellyfish biomass has increased and the structure of the Benguelan fish community has shifted, making the bearded goby (Sufflogobius bibarbatus) the new predominant prey species. Despite increased predation pressure and a harsh environment, the gobies are thriving. Here we show that physiological adaptations and...