It is the action of returning to the sea the species caught unintentionally in fishing operations. Why happens? Sometimes nets catch, along with commercial interest species, others that cohabit...

It is the prohibition to capture marine resources in the months that they are spawning or laying their eggs. Thus, it is possible to protect their reproductive process and...

These vessels have specialized equipment and laboratories to estimate biomass ( fish abundance ) or fishery resources spatial distribution . In addition, and among other tasks, they monitor environmental...

This process is essential to investigate species life cycle such as swordfish, sharks and sea turtles. Once species has been tagged, information on its movement and growth can be...

Knowing fish age, each generation abundance and biomass can be determined. Data such as the number of fish that are born each year, their growth rate and life span,...

They are important indicators of oceans and their marine resources health : knowledge of their populations, migrations and food, gives us signals of the state of ecosystems and their...