This study aimed to evaluate the stock status of chub mackerel (Scomber japonicus) in Northwest Pacific Ocean. Chub is a commercially important fish species South Korea. The fishing grounds are Ocean, off Korea and neighboring countries China Japan. Previous assessments have mostly been based on catch data from single country. However, this we used total Ocean assess status, owing their migrati...

In this study, 75 chub mackerels that were caught in the Canakkale Strait Türkiye between October to December, 2019, examined for presence of parasites. The length and weight all fish measured external body area, oral cavity, nostrils, fins, gills examined. Gill samples under a stereomicroscope suspicious findings preserved 99.99% ethanol. mean 24.84±0.39cm 146.01±7.16 gr, respectively. It was ...

BACKGROUND The gonadotropins (GtHs), follicle-stimulating hormone (FSH) and luteinizing hormone (LH) are produced in the pituitary gland and regulates gametogenesis through production of gonadal steroids. However, respective roles of two GtHs in the teleosts are still incompletely characterized due to technical difficulties in the purification of native GtHs. METHODS Native FSH and LH were pu...