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Watch out below! © 2020 Springer Nature Switzerland AG. In the sea hares of the genus Dolabella the back end of the body has turned into a slanted disc-like shield, with a large, calcified shell buried inside. They have big appetites and need a lot of green stuff to survive. Der Kalziumwert sollte beobachtet werden.Gruß verhuth, World Register of Marine Species (WoRMS) (englisch), Sie können nur Bilder im JPEG-Format hochladen, Sie müssen die Urheberrechte an dem Foto besitzen. If that doesn't work, please contact support so we can address the problem. Wedge sea hares are generalist herbivores of algae (Pennings and Paul 1992). Work was conducted in Sea hares require a great deal of algae to survive, so it is advisable to pass it on when its task is accomplished.When it dies, a large amout of nutients are released to the water, so it must not be kept too long without sufficient algae. We use cookies to personalise functions and advertisement. In Cebu, Phillippines, there was no difference between ingestion rates of algae with the time of day but smaller wedge sea hares ate less algae than larger ones (Lozada et al. The vestigial, internal shell has a typical ear-like form. = 3) with time from first mechanical stimulation. Ass. [3], Dolabella auricularia is sometimes used by the keepers of large marine aquaria to limit algal growth in the tank. A contribution to the comparative study of opisthobranch molluscs, 463 pp. Haltung im Aquarium: Kein Anfängertier. 1981, International Center for Living Aquatic Resources Management (ICLARM), MCC P.O. His symptoms are, lethargic, has a lump on the right side about half way down the body, won't climb on the glass, spends a lot of time on his back, and when he does move it doesn't look like he is using his foot. Their The colouration and texture of wedge sea hare skin provides camouflage among the rocks and algae (Ruppert et … This is based on a medium size animal, which you want to keep for several years.It might be possible to keep smaller specimens for a limited period in a smaller tank. 2, 627–652 (1967a), Carefoot, T. H.: Growth and nutrition of Aplysia punctata feeding on a variety of marine algae. The coloring of this species helps them to blend in with their natural surroundings. Read more about dealing with green hair algae. Based on the size of the invertebrate alone, the minimum tank size to care for a sea hare at home should be about a 75-gallon tank. Biol. In the Philippines the eggs of the Sea Hare are eaten as a delicacy. Description. 1). If it becomes startled, it may release a purple dye to repel attacking fish. Es wird ein Aquarium von mindestens 450 Liter empfohlen. The sea hare slug might look vulnerable to predators since it’s this large, squishy body, but when they become threatened, they have an unusually bioweapon that they use to protect themselves: they release a noxious ink that irritates the would-be predator and stops them in their tracks, in much the same way a skunk protects itself. An decrease in the degree of head withdrawal response with continued presentation of the stimuli suggest some habituation to the stimuli. D. auricularia displaying a head withdrawal after exposure to mechanical stimuli at Heron Island, Australia 2012. This species can be found with soft pustules, leading to a rather knob-like appearance. 2004. As mentioned above, Aplysia sea hares are aggressive algae eaters and are often purchased for the purposes of cleaning up a problem algae infestation with hair algae or other notorious troublemakers. Most species seem to live for about one year, although the tropical Sea Hare Dolabella auricularia can live for six years in an aquarium and the Antarctic cephalaspidean Philine gibba can live for up to four and a half years in nature. Have a look at the Dolabella references page for some relevant literature. Further study is required with a larger sample size to determine whether food stimulation decreases defensive reflexes in D. auricularia and whether such effects could be stimulated by the presence of food without ingestion.

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