LOL you guys are funny. I'll bring a little hate on myself
Generally speaking, when people say an anemone is "bleached" it means that it lacks zooxanthellae - the little dinoflagellates in the interior of all healthy clown anemones that provide them with their primary source of energy. In cases of stress, or low light, or high light, anemones can expel some or all of their zooxanthellae. There are even different TYPES of zooxanthellae, and anemones can shuffle their populations based on their environment. Regardless, all zooxanthellae are a chocolate brown in color, though they can be lighter or darker depending on type of zooxanthellae and population density.
Anemones ALSO have pigmentation, which can lighten or darken separately from their zooxanthellae. The two types of colors combined are what give a healthy anemone it's color depth - pigmentation is on the exterior of the anemone while zooxanthellae is on the interior. An anemone with yellowish pigmentation may look green when it has a high population of zooxanthellae. An anemone with pink pigmentation may look red when it has a high population of zooxanthellae. It should be noted that zooxanthellae are opaque, and any anemone with a population of zooxanthellae is translucent. When an anemone is bleached it is often transparent.
If an anemone loses its zooxanthellae population entirely it may take a long time for it recover - 6 months or more is not uncommon. During this time it has only two foods sources; supplemental feeding and its own tissue. If not fed supplementally, bleached anemones will often start to consume their own tissue to stay alive - leading to wizened, shortened tentacles until the tentacles become mere nubs. It is difficult (but not impossible) to keep a bleached anemone alive via supplemental feeding alone; it is typically a short term solution while a reef keeper waits for it to regain its zooxanthellae.
Unlike many temperate water anemones, clown anemones have zooxanthellae populations "at birth". Fertilized eggs come with zooxanthellae from the parents, and planulae and larvae have zooxanthellae in their tissues before they settle and become juveniles. A clown anemone can grow from juvenile to adulthood entirely on the energy provided by its zooxanthellae population - though supplemental feeding accelerates growth and can trigger sexual and asexual reproduction.
And yes, the OP's anemone is bleached