The Sea Slug Forum - Ascidians (Sea squirts, Tunicates) Many ascidians form colonies In the intertidal zone, many of the fleshy, brightly coloured patches under rocks or in shaded crevices are ascidian colonies PHOTO A is of a solitary ascidian showing the inhalent and exhalent siphons PHOTO B is a colonial species in which each individual animal (zooid) retains its exhalent siphon
The Sea Slug Forum - Melibe australis Melibe australis - ascidian mimic March 1, 2003 From: Bill Rudman In specimens of Melibe australis without much pigmentation, it is difficult to see the characteristic shape of the cerata in this species The cerata are stalked and flask-shaped or top-shaped [see lower left photo]
The Sea Slug Forum - Nembrotha chamberlaini As I describe on the ascidian Fact Sheet, the blue object in your photo is a tough leathery sac which protects the soft body parts inside The ' mouths' you mention are two openings so that a current of fresh sea water is available to the ascidian which feeds by filtering tiny particles from the seawater
The Sea Slug Forum - Hallaxa michaeli The lower photo is a single stalked ascidian with one of these at the base The upper photo is of a group of the stalked ascidians with another one of these at the base we think, it is a bit overgrown and we are not confident of our knowledge about these particular ascidians
The Sea Slug Forum - Ascidian Dear Gary, Did it squirt out some water when you touched it I am pretty sure that your animal is an ascidian or Sea Squirt, quite unrelated to slugs It seems to be attached to the rock at one end and has a pair of openings at the free end at the bottom of your photo I have posted a page on ascidians Have a look at it for some background information In that you will see that some ascidians
The Sea Slug Forum - Velutinidae - are they sea slugs? Velutinidae - are they sea slugs? Order: Sorbeoconcha (Neotaenioglossa) Family: Velutinidae (Lamellariidae) Upper: A species of Marseniopsis? with its food, a common compound ascidian The hole in the front of the animal is the opening of the inhalant siphon leading into the mantle cavity Arrawarra, Coffs Harbour area, northern New South Wales, Australia Lower left: Lamellaria australis
The Sea Slug Forum - Goniodoris meracula Goniodoris meracula - egg ribbons September 1, 2003 From: Rachel Przeslawski Hi Bill, While out surveying, I noticed these egg ribbons nestled into a colonial ascidian under two different boulders at Wollongong, New South Wales [Australia] Upon closer inspection, I saw an adult Goniodoris meracula buried under the ascidian at each boulder
The Sea Slug Forum - Nembrotha kubaryana Some years ago Prof Valerie Paul and associates (1990) reported on this species and Nembrotha cristata feeding on the ascidian Atapozoa sp Both species removed antifeedant compounds from the ascidian and stored them in their own bodies, exudung them in a slimy mucus when disturbed for their own defence
The Sea Slug Forum - Ilbia mariana Related messages Ilbia mariana in an ascidian July 22, 2006 From: Yuji Fujie Concerning message # 16226: Dear Dr Bill, I found Ilbia mariana in this ascidian Locality: Obyan Beach, 5m, Saipan, Northern Mariana Islands, Pacific Ocean, 7 June 2006, under the dead coral Length: 1mm Photographer: Yuji Fujie Best regards, Yuji dswith@isletwind com Yuji Fujie, 2006 (Jul 22) Ilbia mariana in an
The Sea Slug Forum - Okenia rhinorma The ascidian would appear to be a Molgula sp but I have yet to identify which of the several local Molgula species it is The first image shows the nudibranch and the track it took to the ascidian The second image is of the nudibranch shortly after beginning to feed and the third image is of the nudibranch well buried in the ascidian