reduction in sperm volume and quality. The Atlantic bluefin tuna T hunnus thynnus (O
steichthyes: S combridae) is one of the few large pelagic and migratory marine fishes
maintained in captivity with the purpose of establishing breeding populations to support an
aquaculture industry. The objectives of the present study were to compare male germ cell
proliferation and apoptosis between wild and captive individuals at two different phases of …