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The whiteleg shrimp (juvenile shown) has become the preferred species for shrimp farming Eyestalk ablation is the removal of one or both eyestalks from a crustacean. It is routinely practiced on female prawns in almost every marine shrimp maturation or reproduction facility in the world, both research and commercial.
The existence and nature of personality traits in dogs have been studied (15,329 dogs of 164 different breeds). Five consistent and stable "narrow traits" were identified, described as playfulness, curiosity/fearlessness, chase-proneness, sociability and aggressiveness. A further higher order axis for shyness–boldness was also identified. [77 ...
HOUSTON, TX – Pet owners have known it since ... forever, but now it's becoming a scientific truth that cats and dogs have feelings. Back in 2013, researchers at Emory University in Atlanta used ...
If a dog's tail is wagging freely and vigorously, this displays a friendly or playful mood. [12] [15] Similar to ear position, tail positions and movements may be mostly or completely ineffective in dog breeds with short, tightly curled, or docked tails. [16] The tail of a dog can communicate a number of emotions and intentions. [17]
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Some dogs, like Golden Retrievers, are blessed with long, floppy jowls, and it can be so entertaining to watch the way their face changes when their jowls flap around. It only adds to the cuteness ...
Aquatic animals use mechanoreceptors to detect acoustic signals. Aside from aquatic mammals which have external ears, other aquatic vertebrates have ear holes containing mechanoreceptors. [7] Aquatic invertebrates such as lobster, crabs and shrimps have external sensory hairs and internal statocysts as their sound-detecting organs. [11] [12]
Human emotions evoke different responses in dogs and pigs: According to a study, dogs and pigs were able to distinguish between two human sounds. However, their reactions were noticeably different.