Classification of octopus
What is the classification of a octopus?
An octopus (PL: octopuses or octopodes, see below for variants) is a soft-bodied, eight-limbed mollusc of the order Octopoda (/ɒkˈtɒpədə/, ok-TOP-ə-də). The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttlefish, and nautiloids.
What are the 7 levels of classification for a octopus?
Based on taxonomy, the octopus classification is as follows:
- Kingdom: Animalia.
- Phylum: Mollusca.
- Class: Cephalopoda.
- Order: Octopoda.
- Family: Octopodidae.
- Genus: Octopus.
What is Characteristics and Classification of octopus?
The octopus is a marine mollusk and a member of the class Cephalopoda, more commonly called cephalopods. Cephalopoda means “head foot” in Greek, and in this class of organisms, the head and feet are merged. A ring of eight equally-long arms surround the head. They use their arms to “walk” on seafloor.
What is the family of an octopus?
octopus, plural octopuses or octopi, in general, any eight-armed cephalopod (octopod) mollusk of the order Octopoda. The true octopuses are members of the genus Octopus, a large group of widely distributed shallow-water cephalopods. (See cephalopod.)
Are octopus amphibians?
An octopus is neither a fish nor an amphibian. It is a mollusk. More specifically, it belongs to the taxonomic class Cephalopoda, along with squid and cuttlefish. Octopuses and squids are the most intelligent of all mollusks.
What are 5 special characteristics of a octopus?
Octopuses are ocean creatures that are most famous for having eight arms and bulbous heads. Some other fun facts: They have three hearts and blue blood; they squirt ink to deter predators; and being boneless, they can squeeze into (or out of) tight spaces. They are quite intelligent and have been observed using tools.
Is octopus a fish or mammal?
invertebrate animal
It’s a great guess, but an octopus is not a mammal. An octopus is an invertebrate animal, which means it has no spine. More specifically, an octopus is a cephalopod, like squid and cuttlefish. They’re some of the smartest invertebrates.
What are squids and octopuses classified as?
You wouldn’t be alone if you thought the octopus and squid were the same animals. They are cousins—both part of the group cephalopoda—a group of marine mollusks that include squid, octopus, nautilus, and snails. The largest cephalopod is the giant squid and the smallest being the pygmy squid.
Is octopus fish or meat?
Octopuses are mollusks, a classification which includes gastropods like snails and slugs, bivalves like clams and oysters, and several other distinct classes.
What is the domain type of octopus?
Eukarya
An octopus is Eukaryotic and therefore it belongs to the Domain “Eukarya.”
What are giant Pacific octopus classification?
A cephalopod is any member of the molluscan class Cephalopoda such as a squid, octopus, cuttlefish, or nautilus. These exclusively marine animals are characterized by bilateral body symmetry, a prominent head, and a set of arms or tentacles modified from the primitive molluscan foot.
What domain is an octopus?
Eukaryotes are organisms whose cells have a nucleus enclosed within a nuclear envelope. They belong to the group of organisms Eukaryota or Eukarya; their name comes from the Greek εὖ and κάρυον. The domain Eukaryota makes up one of the three domains of life; bacteria and archaea make up the other two domains.
Is an octopus a mammal?
It’s a great guess, but an octopus is not a mammal. An octopus is an invertebrate animal, which means it has no spine. More specifically, an octopus is a cephalopod, like squid and cuttlefish. They’re some of the smartest invertebrates.
What’s the world’s biggest octopus?
The giant Pacific octopus
Share. The giant Pacific octopus is considered the largest octopus species in the world and inhabits the northern Pacific Ocean off the United States up to Alaska and around Japan. The largest individual on record weighed an impressive 600 pounds and measured 30 feet across in length.
Is squid a type of octopus?
You wouldn’t be alone if you thought the octopus and squid were the same animals. They are cousins—both part of the group cephalopoda—a group of marine mollusks that include squid, octopus, nautilus, and snails.
How many hearts does an octopus have?
three hearts
Octopuses have blue blood, three hearts and a doughnut-shaped brain. But these aren’t even the most unusual things about them!
Does octopus have teeth?
because octopuses don’t have any teeth! That doesn’t mean that an octopus can’t bite and chew its food, which is good news for this meat-eating carnivore. Instead of teeth, octopuses have sharp beaks. They use them to break open things like clam and lobster shells so that they can tear out and eat the yummy insides.
How old is the oldest octopus?
330 million-year-old
330 million-year-old creature found fossilized in limestone may be the oldest known relative of octopuses, according to a study published in Nature Communications on Tuesday (March 8).