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Aplysia vaccaria, also known as the black sea hare and California black sea hare, is a species of extremely large sea slug, a marine, opisthobranch, gastropod mollusk in the family Aplysiidae. [1] It is the largest sea slug species.
Each sea hare houses four tentacles, with two on the head sheltering the eyes, and two on the face surrounding the mouth. The body has two folds, called parapodia, which envelop the gills for protection but enable water to get by. Below the body is a muscle that allows mobility, almost like a foot. The California sea hare also has an internal ...
When the sea hare feels threatened it immediately begins the process of defending itself by mixing the distinct molecules in an additional part of the body used specifically for that purpose. At which point, enzymes within the sea slug begin the process of making the substance toxic, and the mixture is ejected out at the predator in self-defense.
The common name "sea hare" is a direct translation from Latin: lepus marinus, as the animal's existence was known in Roman times. The name derives from their rounded shape and from the two long rhinophores that project upward from their heads and that somewhat resemble the ears of a hare .
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The sea hare Aplysia californica releases a cloud of ink as a defensive mechanism when it is threatened. This species lives in California and the northern part of the Pacific coast of Mexico. The California sea hare can sometimes grow to be as large as 75 cm in length, measured when actively crawling. It is a herbivore, and feeds mostly on red ...
The gray whale (Eschrichtius robustus) migrates off the coast of California. Order: Cetacea Family: Eschrichtiidae. One species of gray whale occurs in California's waters. Gray whale, Eschrichtius robustus (migrant) Order: Cetacea Family: Balaenopteridae. Six species of rorquals occur in California's waters. Minke whale, Balaenoptera acutorostrata
Phyllaplysia is a genus of sea slugs, specifically sea hares, marine gastropod mollusks in the family Aplysiidae, the sea hares. Some authors place this genus in a separate family, Dolabriferidae. [citation needed]