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However, fish still display intelligence that cannot be explained through Pavlovian and operant conditioning, such as reversal learning, novel obstacle avoidance, and passing simultaneous two-choice tasks. [4] Some fish also match mammals and birds in the executive functioning capability of inhibitory motor control. [5]
The Trout memo, written in 1939, is a document comparing the deception of an enemy in wartime with fly fishing. [1] Issued under the name of Admiral John Godfrey, Britain's director of naval intelligence, according to the historian Ben Macintyre it bore the hallmarks of having been written by Godfrey's assistant Ian Fleming, who later created the James Bond series of spy novels.
These definitions view intelligence in terms of well-defined problems with well-defined solutions, where both the difficulty of the problem and the performance of the program are direct measures of the "intelligence" of the machine—and no other philosophical discussion is required, or may not even be possible.
The Digital Fish Library (DFL) is a University of California, San Diego project funded by the Biological Infrastructure Initiative (DBI) of the National Science Foundation (NSF). The DFL creates 2D and 3D visualizations of the internal and external anatomy of fish obtained with magnetic resonance imaging (MRI) methods and makes these publicly ...
Like other fish, sharks extract oxygen from seawater as it passes over their gills. Unlike other fish, shark gill slits are not covered, but lie in a row behind the head. A modified slit called a spiracle lies just behind the eye, which assists the shark with taking in water during respiration and plays a major role in bottom–dwelling sharks.
The Asian sheephead wrasse, as the common name indicates, is a wrasse, and thus is in the family Labridae.It has long been placed in the genus Semicossyphus, along with the California and goldspot sheephead wrasses, [2] [3] [4] but a 2016 molecular phylogenetics study suggested that it (along with its two congeners in Semicossyphus) be moved to Bodianus, as Semicossyphus was nested deep within ...
Common names of fish can refer to a single species; to an entire group of species, such as a genus or family; or to multiple unrelated species or groups.Ambiguous common names are accompanied by their possible meanings.
The fish's color is dark green to blue on the dorsal surface, silvery below, and there are small, bright blue blotches distributed randomly on the sides. [ 1 ] It is typically about 25–30 centimetres (9.8–11.8 inches) long when caught, but it can grow up to 40 centimetres (16 inches) long and about 180 grams (6.3 ounces) when caught in the ...