Assertion: mackerel's stripe | /r/HasProperty | visual clues
Facets:
Source sentences:
text: Mackerel, such as these Pacific jack mackerel, usually have vertical stripes on their sides which provide "schooling marks", visual clues that help them stay in formation as they school
text: Mackerel, such as these Pacific jack mackerel , usually have vertical stripes on their sides which provide "schooling marks", visual clues that help them stay in formation as they school