Detailed text transcripts for TV channel - DW - 20180401:21:43:00
Important to understand how and why form schools. the end cousin and his colleagues took on the idea and refined it with the help of modern technology. their research has created bar codes to attach to the fish's dorsal fin. each fish will get one of these individual markers so it can be clearly identified to any time. then the fish era least into the big pool as expected the fish move from shadow to