Supertramp school studio version1/3/2023 ![]() ![]() It was released on 26 October 2012 by Columbia Records. The oddity effect would thus tend to homogenize shoals.ġ8 Months is the third studio album by Scottish DJ and record producer Calvin Harris. This may explain why fish prefer to shoal with individuals that resemble themselves. ![]() The "oddity effect" posits that any shoal member that stands out in appearance will be preferentially targeted by predators. Generally they prefer larger shoals, shoalmates of their own species, shoalmates similar in size and appearance to themselves, healthy fish, and kin (when recognized). It is also likely that fish benefit from shoal membership through increased hydrodynamic efficiency.įish use many traits to choose shoalmates. About one quarter of fish species shoal all their lives, and about one half shoal for part of their lives.įish derive many benefits from shoaling behaviour including defence against predators (through better predator detection and by diluting the chance of individual capture), enhanced foraging success, and higher success in finding a mate. In common usage, the terms are sometimes used rather loosely. In biology, any group of fish that stay together for social reasons are shoaling (pronounced /ˈʃoʊlɪŋ/), and if the group is swimming in the same direction in a coordinated manner, they are schooling (pronounced /ˈskuːlɪŋ/). ![]()
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