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[13] [12] [11] [2] [1] Of the described incidences where agonistic displays have been observed, the gray reef shark is the most commonly reported, as they hold a reputation for having a very exaggerated, recognizable display, which incorporates all of the most commonly reported physical and dynamic elements. Thus, gray reef sharks are often ...
Gaping is part of the shark agonistic display, and is also found in snakes such as the cottonmouth, and in birds ranging from seagulls to puffins to roosters. A number of species of bird use a gaping, open beak in their fear and threat displays. Some augment the display by hissing or breathing heavily, while others clap their beaks. [2]
The posture of a grey reef shark during normal swimming (right) and a threat display (left) - the bottom line shows the shark's swimming pattern. The "hunch" threat display of the grey reef shark is the most pronounced and well-known agonistic display (a display directed toward competitors or threats) of any shark. Investigations of this ...
The postures become more exaggerated as the danger perceived by the shark increases. |Source=own work |Date=6 March 2007 |Author=Chris_huh |other_versions=Shark threat disp File usage The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Agonistic behaviour is a result of evolution, [5] and this can be studied in a number of species facing different environmental pressures. Though agonistic behaviours can be directly observed and studied in a laboratory setting, it is also important to understand these behaviours in a natural setting to fully comprehend how they have evolved and therefore differ under different selective ...
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The monster shark was named Dracopristis hoffmanorum and nicknamed Hoffman’s Dragon Shark in honor of the New Mexico family that owns the area of the Manzano Mountains where many fossils were ...
Aggression refers to agonistic behaviors characterized by threats and physical force. Methods of aggression in fish vary widely by species, but some common examples are chasing, charging, biting, fin display, color changes, and flared gills. [1]