Hand Towel/Tea Towel Sardines Fish 100% White Cotton 17" x 30" with hang loop Info Tag Includes: Sardines believe in ‘safety –in-numbers’; they travel in schools to avoid predators. This behavior of many fish moving as one is mysterious, but researchers believe it is due to their ability to sense water currents and pressure. Heavily fished during the first half of the 20th century caused a decline in their population; the sardine industry has fortunately experienced a growth spurt since the 1980’s.