Now that you’ve learned all about DHA and its benefits, test your knowledge. Page 1 of 5 What is DHA? Answers 1 * A type of Omega-3 fat. An important building block for your baby’s developing brain. Found primarily in fish like salmon, sardines, mackerel, and herring All of the above. That’s right! DHA, or Docosahexaenoic acid, is an Omega-3 fat mostly found in certain types of fish. DHA is an important building block of the brain - 85% of which is complete by age 3. Good try The correct answer is "all of the above". DHA or Docosahexaenoic acid, is an Omega-3 fat mostly found in certain types of fish. DHA is an important building block of the brain - 85% of which is complete by age 3. Leave this field blank Next >