Life Goes On: Fishes: Survival in a Challenging Environment
Two features of water, viscosity and density, present challenges for fishes that are very different from what animals who live on land or in the air must face. Fishes have been able to meet these challenges through a number of physiological adaptati...
Life Goes On: Fishes: Defense Mechanisms
Defense mechanisms among fishes are highly diverse. They range from visual defenses, like camouflage and schooling, to being large and predatory.
Life Goes On: Fishes: Sensory Mechanisms
Fishes survive in the ocean in part due to their sensory mechanisms. They utilize both sight and smell in this regard, as well as what's called a lateral line system. This is a series of pores and canals along the body and sometimes on the head that...
Treasure Trove: Fishery Management
As concerns about overfishing increase, the need for effective fishery management becomes critical. The focus is on maintaining a sustainable harvest of resources. There are a number of factors that complicate that process, including the challenge o...
Treasure Trove: Fishing and Regulatory Agencies
In recent years, the relationship between fishermen and regulatory agencies has grown strained as the government agencies have had to impose increasingly strict rules and regulations.