Final answer:
The source is credible because it was produced by two reliable government agencies, NMFS and NOAA, which specialize in marine and aquatic sciences.
Step-by-step explanation:
The excerpt provided is from a credible source for several reasons, one of which includes the fact that the cited article was produced in cooperation by two government agencies: the National Marine Fisheries Service (NMFS) and the National Oceanic and Atmospheric Administration (NOAA). Government agencies are generally reliable sources because they are accountable to the public and are often held to high standards of fact-checking and accuracy.
The involvement of NMFS and NOAA, both of which are authoritative sources on marine and aquatic sciences, lends credibility to the information presented in the article.