are octopus fish
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- Quick Answer. Though it breathes through gills, the octopus is not a fish but a cephalopod marine mollusk. Also, unlike a fish, an octopus is an invertebrate, which means it doesn't have a backbone. It also has three hearts.
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- As cephalopods, octopuses have gills or lamellae. The structure of the octopus' gills allows for a high amount of oxygen uptake; up to 65% in water at 20⁰C. Also the thin skin of the octopus accounts for a large portion of in-vitro oxygen uptake.
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Dumbo Octopus Grimpoteuthis spp, known as the deepest living of all octopus species, live on the bottom, or hovering just slightly above the seafloor at depths of depths of 3000 to 4000 m (9800 to 13000 ft), with some living as deep as 7,000 m (23000 ft) below sea level.
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- The octopuses Octopus hubbsorum Berry, 1953, and Octopus mimus Gould, 1852, are two species of octopuses that inhabit the shallow waters of the eastern Pacific Ocean. Close genetic relationships between two American octopuses: Octopus hubbsorum berry, 1953, and Octopus mimus Gould, 1852
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Blue-Ringed Octopus Facts Blue-Ringed Octopus Toxins. The blue ringed octopus is a small mollusk organism that could fit into the palm of your hand. Killed by way of fear or harvested for one or both of its powerful muscular-neurotoxins, this deceptive little critter produces a potent toxin known as Tetrodotoxin, which is uses in self-defence.
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Octopus Facts ~ Octopus FAQ While the octopus can and does eat fish (even small sharks), it feeds mainly on crabs (as well as other shelled inverts) and needs that short crushing beak. Squid beak (left) is for tearing. Octopus beak (right) is for crushing. Look like parrot beaks. Octopus eye facts. 1  They have 2 eyes with excellent vision.
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- All species of octopus have venom. The venom of the Giant Pacific octopus is not dangerous to humans, but Australia's blue-ringed octopus is known as one of the most poisonous marine animals—its venom is deadly to humans. 10. Octopus actually have shells similar to clams and snails.
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- After they managed to do so, they prey is pulled towards the octopus' mouth opening, where the strong horn beak can bite a hole in the prey's armour  most creatures octopuses prey on either have got a carapace (like crabs) or a shell (like snails, mussels and other molluscs).
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Play-Doh Octopus Ocean Playset Unboxing An octopus trails its eight arms behind it as it swims. All octopuses are venomous, but only one group, the blue-ringed octopus, is known to be deadly to humans. Around 300 species are recognized, which is over one-third of the total number of known cephalopod species.n octopus trails its eight arms behind it as it swims. All octopuses are venomous, but only one group, the blue-ringed octopus, is known to be deadly to humans. Around 300 species are recognized, which is over one-third of the total number of known cephalopod species.
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Giant Pacific Octopus Many young, larval octopuses are lost to predators. Only the largest fish (such as halibut and ling cod) and marine mammals are any threat to adults. Humans collect the giant Pacific octopus for food, for display in aquariums and for use as bait in other fisheries.
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- Life's going swimmingly for all-female fish species in Texas WATCH: Octopus hatches from egg, 10-second video goes viral Southwest resumes Chicago flights after de-icing breakdown
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- Description: The octopus is a mollusk in the class Cephalopoda. Cephalopoda means “head foot” in Greek, and in this class of organisms the head and foot are merged. A ring of eight equally-long arms surround the head. The arms are covered on the underside with suction cups that are very sensitive to touch and taste.
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Play-Doh Octopus Ocean Playset Unboxing An octopus (/ˈɒktəpʊs/ or /ˈɒktəpəs/ ; plural: octopuses, octopi, or octopodes; see below) is a cephalopod mollusc of the order Octopoda.It has two eyes and four pairs of arms and, like other cephalopods, it is bilaterally symmetric.An octopus has a beak, with its mouth at the center point of the arms.ll octopuses are venomous, but only one group, the blue-ringed octopus, is known to be deadly to humans. Around 300 species are recognized, which is over one-third of the total number of known cephalopod species.
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- Grimpoteuthis spp, are known as the deepest living of all octopus species. They live on the seafloor or hover just slightly above it at depths of depths of 3000 to 4000 m (9800 to 13000 ft), The similarity of the ear-like fins protruding from the top of the mantle of the Dumbo octopus to the ears of the Disney character, Dumbo, the Flying elephant, led to the common name, dumbo.
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- An octopus (/ˈɒktəpʊs/ or /ˈɒktəpəs/ ; plural: octopuses, octopi, or octopodes; see below) is a cephalopod mollusc of the order Octopoda.It has two eyes and four pairs of arms and, like other cephalopods, it is bilaterally symmetric.An octopus has a beak, with its mouth at the center point of the arms.he giant Pacific octopus, Enteroctopus dofleini, is often cited as the largest known octopus species. Adults usually weigh around 15 kg (33 lb), with an arm span of up to 4.3 m (14 ft). The largest specimen of this species to be scientifically documented was an animal with a live mass of 71 kg (156.5 lb).
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Animal Species: Veined Octopus - Octopus marginatus Veined Octopus. Alternative Name/s. Sand Bird. Identification. Octopus marginatus can be identified by the branching dark brown veins over the mantle and down the arms. The edges of their arms are often darkened in contrast to the white-blue suckers. There is a white to cream wedge present under each eye. Size range. A large octopus with an armspan up to 50cm.
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- An octopus's camouflage is aided by certain specialized skin cells which can change the apparent color, opacity, and reflectivity of the epidermis. Chromatophores contain yellow, orange, red, brown, or black pigments; most species have three of these colors, while some have two or four.ll octopuses are venomous, but only one group, the blue-ringed octopus, is known to be deadly to humans. Around 300 species are recognized, which is over one-third of the total number of known cephalopod species. The term 'octopus' may also be used to refer specifically to the genus Octopus.
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Play-Doh Octopus Ocean Playset Unboxing An octopus trails its eight arms behind it as it swims. All octopuses are venomous, but only one group, the blue-ringed octopus, is known to be deadly to humans. Around 300 species are recognized, which is over one-third of the total number of known cephalopod species.The term 'octopus' may also be used to refer specifically to the genus Octopus.ll octopuses are venomous, but only one group, the blue-ringed octopus, is known to be deadly to humans. Around 300 species are recognized, which is over one-third of the total number of known cephalopod species. The term 'octopus' may also be used to refer specifically to the genus Octopus.
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- Fish are omnivores because the first living things of the food  chain that fish can feed on are fitoplankton and zooplankton  (animal and plant micro-organisms).   That … depends on the fish. Some fish such as the parrotfish, are  omnivores as they feed mostly on algae along with some other  non-plant matter.Sharks, on the other hand, are carnivores.   first of all it depends on the fish, it varies depending on the  species.HERBIVORES(not herbavoir) don't eat other animals, just  plants. OMNIVORES eat both other animals and plants. 59 people found this useful.t actually depends on what kind of fish your talking about. for example their are some fish that eat plankton or other plants like that. And then there's other fish that eat … other fish like Purana's.
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Explore Birds Of Prey, Bald Eagle, and more! For other uses, see Octopus (disambiguation). The octopus (/ˈɒktəpʊs/ or /ˈɒktəpəs/) is a cephalopod mollusc of the order Octopoda. It has two eyes and four pairs of arms and, like other cephalopods, it is bilaterally symmetric. It has a beak, with its mouth at the center point of the arms.
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octopus Noun [edit]. octopus ‎(plural octopuses or octopodes or octopi) (see usage notes). 1  Any of several marine molluscs / mollusks, of the family Octopodidae, having no internal or external protective shell or bone (unlike the nautilus, squid or cuttlefish) and eight arms each covered with suckers.oun [edit]. octopus ‎(plural octopuses or octopodes or octopi) (see usage notes). 1  Any of several marine molluscs / mollusks, of the family Octopodidae, having no internal or external protective shell or bone (unlike the nautilus, squid or cuttlefish) and eight arms each covered with suckers.
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- Waterflow : ~. The Pacific Octopus, Octopus sp., has a deep brown coloration and has excellent eyesight. They are generally peaceful but shouldn't be housed with predatory fish that may harm them. Octopus should only be cared for by an expert aquarist.
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- From Wikipedia, the free encyclopedia. The blue-ringed octopuses (genus Hapalochlaena) are three (or perhaps four) octopus species that live in tide pools and coral reefs in the Pacific and Indian Oceans, from Japan to Australia.Their primary habitat is around southern New South Wales, South Australia, and northern Western Australia.n individual blue-ringed octopus tends to use its dermal chromatophore cells to camouflage itself until provoked, at which point it quickly changes color, becoming bright yellow with blue rings or lines. The blue-ringed octopus spends much of its life hiding in crevices.
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Blue Ringed Octopus Facts | Facts about Blue Ringed Octopuses What Do Blue Ringed Octopuses Eat | Blue Ringed Octopus Facts. Blue ringed octopus usually hunts small animals during the day. They are known to take on squid, hermit crabs, shrimps, and lobster. When a prey is in its range, it will pounce on it while clasping it with its eight tentacles and paralyzing it with its venomous bite.
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Squid and Octopus Octopus Octopus are mollusks like squid. There are about 200 species of octopus. There are two large groups of octopus. The cirrata or finned octopuses live in the deep sea at depths of between 1000 and 24,000 feet. About 85% of octopus are in the incirrata group. They have no fins and live in shallow water in caves or crevices. Octopus have no shell at all, not even an inner one. They have eight tentacles. The tentacles have suction cups on them and are used to hold onto prey. The tentacles also have taste sensors that let the octopus know if what it grabbed is worth eating. The octopus' mouth is in the center of its tentacles.
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- An octopus (/ˈɒktəpʊs/ or /ˈɒktəpəs/ ; plural: octopuses, octopi, or octopodes; see below) is a cephalopod mollusc of the order Octopoda. It has two eyes and four pairs of arms and, like other cephalopods, it is bilaterally symmetric.An octopus has a beak, with its mouth at the center point of the arms.he giant Pacific octopus, Enteroctopus dofleini, is often cited as the largest known octopus species. Adults usually weigh around 15 kg (33 lb), with an arm span of up to 4.3 m (14 ft). The largest specimen of this species to be scientifically documented was an animal with a live mass of 71 kg (156.5 lb).