how do seahorses respond to stimuli?
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Seahorse oraganelles, called chromatophores, are embedded within their skins. These tiny, sacklike organs contain a number of pigments and can expand or contract in response to a variety of stimuli, causing the seahorse to change color.
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Seahorses have unique adaptations that help them survive in the ocean, including the ability to use camouflage and change the color of their body. Long snouts help them find food, and excellent vision and eyes that can move independently are great for avoiding predators.
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Seahorses are truly unique, and not just because of their unusual equine shape. Unlike most other fish, they are monogamous and mate for life. Rarer still, they are among the only animal species on Earth in which the male bears the unborn young.
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But in seahorses, the sperm-producers are also the ones that get pregnant. The female transfers her eggs to the male's abdominal pouch, made of modified skin. The male releases sperm to fertilise the eggs as they enter, before incubating them for 24 days until they are born.
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Seahorse Aquarium Size Seahorses prefer tall aquariums with a minimum height of about 18”. The general rule for tank size is 20-30 gallons per adult pair of horses. The height of the aquarium should be at least 3-4 times the height of the Seahorse's adult size.
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Some live on soft coral or among seagrasses as well. Pygmy seahorses live in larger groups than other seahorse species, gathering in numbers of up to 20 adults.
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Size: The average height of an adult sea horse range from . 6 to 14 inches (1.6 – 35 cm) in size. Seahorses also vary in color, including red, orange, yellows, greens and grey. Weight: A seahorse is usually around 7 ounces to 1 pound in weight.
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Fish can feel the weight of the air pressing on the water by sensing the pressure changes in the air of their organs, especially their swim bladder which controls their buoyancy. Fish with large swim bladders such as trout and salmon are even more sensitive to these pressure changes.
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Fish feel movement, water pressure changes and vibrations through a system of lateral lines that run the length of their bodies. Depending on its size, a fish will react differently to the same sound. ... The vibrations produced by tapping a long-handled object on the bottom of the boat is thought to attract fish.
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Answer. Hey ! As we know seahorse is an water animal while horse is a land animal also seahorse have a tail like structure which help them. to move in water easily while horse has four legs. Even in seahorses males reproduce baby not females.
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In fact, some species of seahorse can give birth to more than 1,000 babies at once! ... That's right, males sometimes eat their own babies. It's tough being a baby seahorse. Of the hundreds of babies that the male gives birth to, only one or two will survive to become adults and have babies of their own.
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While not large, they are slightly larger than most seahorses, growing to about 20–24 cm (8–9.5 in). They feed on plankton and small crustaceans. The lobes of skin that grow on the leafy seadragon provide camouflage, giving it the appearance of seaweed.
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Seahorses belong to the genus Hippocampus, while their close relatives, the two species of sea dragons, belong to the genera Phycodurus and Phyllopteryx. The sea dragons are endemic to Australian waters, while seahorses roam mostly tropical and subtropical waters around different areas of the world.
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Seahorses are fish. They live in water, breath through gills and have a swim bladder.
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electrical fields. Fish are attracted to a positive charge and are repelled by a negative charge. Different species will show varying degrees of electrical reaction. Some of the fish showing the most sensitivity include salmon, kokanee and trout.
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While seahorse dads go the extra mile to give birth, the parents do not provide their tiny offspring with any care or protection after they are born. Infant seahorses are susceptible to death from predators and being swept into ocean currents, where they drift away from feeding grounds rich in microscopic organisms.
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Seahorses swim upright, propelling themselves using the dorsal fin, another characteristic not shared by their close pipefish relatives, which swim horizontally. Razorfish are the only other fish that swim vertically. The pectoral fins, located on either side of the head behind their eyes, are used for steering.