User:Jgboal/sandbox

I find all this very opaque. I don't understand and I can' t read the comments that pop up fast enough.

What is the difference between "Edit" and "Source Edit"? Here is a link: octopus

This is my practice space.

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= California two-spot octopus = From Wikipedia, the free encyclopedia

(Redirected from Octopus bimaculoides) The California two-spot octopus (Octopus bimaculoides) is an octopus species found off the coast of southern California. It is closely related to Verrill's two-spot octopus (Octopus bimaculatus).

Due to their friendly temperament and relative hardiness, they are considered by most experts to make the best pet octopus. Bimacs usually live to be about two years old.

Contents

 * 1 Range
 * 2 Habitat
 * 3 Characteristics
 * 4 Distinctive features
 * 5 Life span
 * 6 Diet
 * 7 References
 * 8 External links

Range
This species is found in the eastern Pacific, from the mid-California coast to Mexico, the Indo-Pacific from East Africa to American Samoa, north to Japan, and south to the Great Barrier Reef. SOURCE?

Habitat
This species of octopus is found in the intertidal and benthic zones, from the low tide to subtidal depths of about 20 m (65 ft). It prefers sandy substrate and caves of rock or debris for hiding. It tolerates a wide temperature range (at least 60-80°F), though it prefers 65-72°F. SOURCE?

Characteristics
Octopus bimaculoides reaches a mantle size of 7 inches (17.5 cm) and arms to 23 inches (58 cm).

Octopuses are known for their outstanding camouflage abilities. Body coloration, patterning, and texture is controlled by the brain. Not usually heavily textured, it has several common colors, such as grey with yellow splotches, and uses highly developed crypsis (camouflage or color changing to match their environment). Coloration and patterning is the result of specialized cells in the skin called chromatophores, iridophores, and leucophores. Chromatophores are elastic pigment sacs with muscle fibers that cause them to expand or contract. The leucophores and iridophores reflect ambient light, helping the octopus to blend in to its surroundings.

Distinctive features
This octopus gets its name from the false eye spot under each real eye (bi=two, macula=spot). The eye spots, themselves, are known as ocelli. In O.bimaculoides, the ocellus is an iridescent blue, chain-link ring set in a circle of black.

Life span
These octopuses live for one to two years. The end is signaled by egg-laying in the female or senility in the male.

Reproduction
Octopus bimaculoides is semelparous (reproduces just once in its lifetime). The female lays eggs in a protected location, such as under a rock or crevice, and then tends the eggs while they develop by running her suckers over them and blowing on them to remove bacterial growth and aerate them, respectively. Normally, the female stops eating once she has laid her eggs. Egg development can last anywhere from ___ to ___ months, depending on the water temperature. Once the eggs are ready to develop, the female assists them by blowing on them forcefully. After the eggs have hatched, the female typically dies.

Diet
Adults feed on clams, mussels, small crabs, crayfish, and snails. Hatchlings feed on amphipods or mysid shrimp.[1]

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