Salmon raised in a reduced photoperiod environment of 18 hours light are more likely to show undesirable early maturation than those raised under 24 hour light, write Christopher Good and colleagues from the Conservation Fund's Freshwater Institute and USDA-AR…
A new study has shown that the dottyback, a small predatory reef fish, can change the colour of its body to imitate a variety of other reef fish species, allowing the dottyback to sneak up undetected and eat their young.
Salmon recovery and the potential detrimental effects of dams on fish have been attracting national attention due to the environmental and economic implications. In recent years acoustic telemetry has been the primary method for studying salmon passage, but no…
The manner and routes of dispersal vary with the species and the ecological conditions. Many fish form shoals to avoid predation. Shoaling with familiar conspecifics affords the fish an even greater advantage by increasing the benefit for relatives. This promo…
Florfenicol (FLR) is a commonly used antibiotic for the treatment of bacterial diseases in white shrimp Litopenaeus vannamei. In this study, Xianyun Ren, Luqing Pan and Lin Wang, Ocean University of China, evaluated the tissue distribution and elimination, cha…
With interest in culturing tilapia in marine habitats increasing, producers must obtain tilapia capable of growing well in seawater, writes Mohammad T. Ridha, Kuwait Institute for Scientific Research. Taken from the Global Aquaculture Advocate, a Global Aquacu…
Problems with lice and losses can be heavily reduced by placing farmed fish in closed systems until the fish reach a weight of one kilo. This has been shown by research conducted by scientists at Uni Research in Bergen, Norway.