Most birds and mammals, including humans, have developed parental care. Can this explain why we have bigger brains, and as a consequence are allegedly more intelligent, than other animal species?
High fishing pressure tends to lead to proportionally fewer old and large individuals in fish stocks.
For long we believed that the cod was a freak, who was fresh despite lack of immunity. But new research shows that all codfishes lack this immune component showing that the immune system generally is more flexible than previously thought.
New methods have made it possible to determine the Atlantic cod's gender genetically. This could increase profits on cod in aquaculture.
Roe from haddock, a marine cold water species, has a dramatic response to oil pollution and among a varying list of injuries can develop a very deformed cranium at the larval stage. The response is more dramatic than previously detected in both freshwater and saltwater fish comfortable at slightly greater temperatures.