Where do Octopus vulgaris live?
Octopus vulgaris is found in tropical, subtropical, and temperate waters between the surface and a depth of 100 to 150 meters. . It is not found in polar or subpolar regions. It lives in costal waters and the upper part of the continental shelf.
What is the most common octopus?
Octopus vulgaris
The common octopus (Octopus vulgaris) is a mollusc belonging to the class Cephalopoda. Octopus vulgaris is the most studied of all octopus species….
| Common octopus | |
|---|---|
| Genus: | Octopus |
| Species: | O. vulgaris |
| Binomial name | |
| Octopus vulgaris Cuvier, 1797 |
Is the common octopus endangered?
Currently, common octopuses are not considered endangered or threatened by the IUCN Red List. However, octopus is a common food in Asian and Mediterranean cuisines.
Where are most octopuses found?
ocean
Octopuses are found in every ocean of the world and along every coast of the United States. Octopuses live in coastal marine waters and spend much of their time in dens—small holes and crevices in rocks and coral. They are generally solitary and territorial.
How many babies do common octopus have?
Because octopuses are semelparous, they only have babies once in their lifetime. And while octopuses can lay up to 200,000 eggs, they realistically lay between 56,000-78,000 eggs. That does not mean that all of them hatch.
How long do female common octopus live?
two years
Common octopuses, for example, may live only two years, while giant octopuses can live as long as three years but up to five years as long as they don’t mate.
How many common octopus are there?
The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttlefish, and nautiloids. Like other cephalopods, an octopus is bilaterally symmetric with two eyes and a beaked mouth at the center point of the eight limbs.
How can you tell a common octopus?
When disturbed, it can be white, but most commonly, the animal is mottled reddish-brown. Around the suckers on the arms are usually dark rings. The texture can be smooth or with points. The arms in rest are 3 to 4 times the body length.
How long do common octopus live in captivity?
roughly 1 to 5 years
It varies according to species, but octopuses, both wild and captive, live roughly 1 to 5 years. This short lifespan is a consequence of a reproductive strategy known as semelparity, meaning that octopuses breed only once in their lifetime and die shortly thereafter.
How big is a common octopus?
about 4.3 feet
Considered the most intelligent of all invertebrates, the common octopus is found in the tropical and temperate waters of the world’s oceans. They can grow to about 4.3 feet in length and weigh up to 22 pounds, although averages are much smaller.
How long are octopuses pregnant for?
That’s the question scientists are asking after observing an octopus caring for her eggs for 53 months. That’s a record gestation period, they say, for any animal species. The octopus generally does not feed while brooding, but most don’t brood anywhere near as long.
How does a female octopus get pregnant?
To mate, a male will insert his hectocotylus into the female’s mantle cavity and deposit spermatophores (sperm packets). This process may take up to several hours, depending on the species.
Where does the Octopus vulgaris live in the world?
Octopus vulgaris is considered cosmopolitan. A global species, its range in the eastern Atlantic extends from the Mediterranean Sea and the southern coast of England to at least Senegal in Africa. It also occurs off the Azores, Canary Islands, and Cape Verde Islands. The species is also common in the Western Atlantic.
What kind of organism is the common octopus?
The common octopus (Octopus vulgaris) is a mollusc belonging to the class Cephalopoda.
How big is the average size of an octopus?
Training experiments have shown the common octopus can distinguish the brightness, size, shape, and horizontal or vertical orientation of objects. Octopus vulgaris grows to 25 cm (10 inches) in mantle length with arms up to 1 m (3.3 feet) long. It lives for a couple of years and may weigh up to 9 kg (20 pounds).
What kind of gills does an octopus have?
The octopus uses gills as its respiratory surface. The gill is composed of branchial ganglia and a series of folded lamellae.