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  2. Sleep in fish - Wikipedia

    en.wikipedia.org/wiki/Sleep_in_fish

    However, other fish do seem to sleep, especially when purely behavioral criteria are used to define sleep. For example, zebrafish , [ 6 ] tilapia , [ 7 ] tench , [ 8 ] brown bullhead , [ 9 ] and swell shark [ 10 ] become motionless and unresponsive at night (or by day, in the case of the swell shark); Spanish hogfish and blue-headed wrasse can ...

  3. Sleep in animals - Wikipedia

    en.wikipedia.org/wiki/Sleep_in_animals

    Sleep can follow a physiological or behavioral definition. In the physiological sense, sleep is a state characterized by reversible unconsciousness, special brainwave patterns, sporadic eye movement, loss of muscle tone (possibly with some exceptions; see below regarding the sleep of birds and of aquatic mammals), and a compensatory increase following deprivation of the state, this last known ...

  4. Port Jackson shark - Wikipedia

    en.wikipedia.org/wiki/Port_Jackson_shark

    The Port Jackson shark is a nocturnal species which peaks in activity during the late evening hours before midnight and decreases in activity before sunrise. [2] A study showed that captive and wild individuals displayed similar movement patterns and the sharks' movements were affected by time of day, sex, and sex-specific migrational behaviour.

  5. Shark - Wikipedia

    en.wikipedia.org/wiki/Shark

    Many sharks can contract and dilate their pupils, like humans, something no teleost fish can do. Sharks have eyelids, but they do not blink because the surrounding water cleans their eyes. To protect their eyes some species have nictitating membranes. This membrane covers the eyes while hunting and when the shark is being attacked.

  6. Pacific sleeper shark - Wikipedia

    en.wikipedia.org/wiki/Pacific_sleeper_shark

    The upper jaw teeth of the sleeper shark are spike-like, while the lower jaw teeth are oblique cusps and overlapping bases. This arrangement allows grasping and sawing of food too large to swallow. Pacific sleeper sharks have a short caudal fin, which allows them to store energy for fast and violent bursts of energy to catch prey. [8]

  7. The 3-Ingredient Holiday Cookie I Make Every Year

    www.aol.com/3-ingredient-holiday-cookie-every...

    How To Make My 3-Ingredient Macaroons. For about 24 macaroons, you’ll need: 4 large egg whites. 1/2 cup (100 grams) granulated sugar. 1 1/2 teaspoons vanilla extract, optional

  8. Cynthia Erivo Says She Got '2 to 3 Hours' of Sleep a Night ...

    www.aol.com/cynthia-erivo-says-she-got-010000082...

    During a screening of Wicked and Q&A with Kristen Bell at the Academy Museum's the Ted Mann Theatre in Los Angeles, Calif. on Thursday, Dec. 12, the actress, 37, revealed that she sacrificed sleep ...

  9. Today's Wordle Hint, Answer for #1255 on Monday, November 25 ...

    www.aol.com/lifestyle/todays-wordle-hint-answer...

    SPOILERS BELOW—do not scroll any further if you don't want the answer revealed. The New York Times. Today's Wordle Answer for #1255 on Monday, November 25, 2024.