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Like all sea hares, the California sea hare is hermaphroditic, simultaneously acting as male and female during mating. A. californica is known to form mating chains with up to 20 animals. The eggs are yellow-green, and change after 8–9 days into a brown color before larvae hatch. Mating is most prominent during the summer following water ...
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.
Eight species of rabbits and hares occur in California. Pygmy rabbit, Brachylagus idahoensis (CDFW special concern, harvest) Snowshoe hare, Lepus americanus (harvest) Oregon snowshoe hare, L. a. klamathensis (CDFW special concern) Sierra Nevada snowshoe hare, L. a. tahoensis (CDFW special concern; endemic)
The Florida Oceanographic Society says that because of their extensive neural circuits -- interconnecting neurons in the brain that pass messages -- sea hares are often utilized in medical research.
California sea hare, California brown sea hare Aplysia vaccaria: Black sea hare Order Cephalaspidea, shieldheaded slugs. Species Common name Acteocina cerealis:
Aplysia (/ ə ˈ p l ɪ ʒ (i) ə /) is a genus of medium-sized to extremely large sea slugs, specifically sea hares, which are a kind of marine gastropod mollusk. These benthic herbivorous creatures can become rather large compared with most other mollusks.
Aplysiidae is the only family in the superfamily Aplysioidea, within the clade Anaspidea. [1] These animals are commonly called sea hares because, unlike most sea slugs, they are often quite large, and when they are underwater, their rounded body shape and the long rhinophores on their heads mean that their overall shape resembles that of a sitting rabbit or hare.
Their color corresponds with the color of the seaweed they eat: red sea hares have been feeding on red seaweed. This camouflages them from predators. When disturbed, a sea hare can release ink from its ink glands, providing a fluid, smoke-like toxic screen, adversely affecting its predators' olfactory senses while acting as a powerful deterrent.