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In sharks, bioluminescence has ... some loose-jawed fish emit red and infrared light, and the genus Tomopteris emits yellow light. ... Fireflies use light to attract ...
Shark related facts that have ... with spots that glow yellow under blue light? ... that the cookiecutter shark may use the absence of bioluminescence to attract ...
Sharks have the ability to determine the direction of a given scent based on the timing of scent detection in each nostril. [59] This is similar to the method mammals use to determine direction of sound. They are more attracted to the chemicals found in the intestines of many species, and as a result often linger near or in sewage outfalls.
Scientists have discovered a new, tiny species of self-illuminating sharks, according to a new Tulane University study. Glow-in-the-dark sharks: Scientists discover crazy new species in the Gulf ...
Underwater, the glint from metal jewelry like necklaces, earrings, or watches may resemble a fish and attract unwanted attention from sharks. Tip #5: Pay Close Attention to Warning Signs.
University of Miami shark experts who set out to learn how sharks respond to urbanization said their findings go against some of the typical beliefs about the ocean's top predator.
The shark's yellow colouring serves as an excellent camouflage when swimming over the sandy seafloor in its coastal habitat. [8] The lemon shark commonly attains a length of 2.4 to 3.1 m (7.9 to 10.2 ft) and a weight up to 90 kg (200 lb) by adulthood, although sexual maturity is attained at 2.24 m (7.3 ft) in males and 2.4 m (7.9 ft) in females ...
Instead, its vision is adapted for sensitivity to movement or contrast under low light conditions, which is further enhanced by the presence of a reflective tapetum lucidum. Experiments have shown that this shark is capable of detecting small objects up to 1.5–3 m (5–10 ft) away, but is unable to clearly discern the shape of the object.