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Fear of fish or ichthyophobia ranges from cultural phenomena such as fear of eating fish, fear of touching raw fish, or fear of dead fish, up to irrational fear (specific phobia). Selachophobia, or galeophobia , is the specific fear of sharks .
Galeophobia is the medical term for a fear of sharks. The name galeophobia derives from the Greek language with galeos meaning shark and phobia meaning fear. [1] This phobia is diagnosed using DSM-5 criteria and is characterized by a patient showing marked fear or anxiety about sharks that leads to severe impairment of their quality of life. [2]
Fish fulfill several criteria proposed as indicating that non-human animals experience pain. These fulfilled criteria include a suitable nervous system and sensory receptors, opioid receptors and reduced responses to noxious stimuli when given analgesics and local anaesthetics, physiological changes to noxious stimuli, displaying protective motor reactions, exhibiting avoidance learning and ...
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.
The U.S. Fish and Wildlife Service and Arizona Game and Fish Department have confirmed the tragic death of Hope, a Mexican gray wolf (F2979) who had been living west of Flagstaff, Arizona, since June.
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.
Swimming in groups can reduce risk, and try not to swim near diving birds or schools of fish - predators like sharks may have herded them nearshore to feed.” ...
Gulper sharks can have long resting periods between pregnancies. [2] They are ovoviviparous, meaning the only parental care they give their young is during the incubation period. [5] Since not all oocytes form into pups, when a pup or two is formed inside the female, they eat the remaining fertilized eggs, known as oophagy. [2]