I don't think that anyone who has seen these animals in action could be anything but a very big fan!
Note added 14 January 2004: This species, or one of this species complex, has migrated through the Suez Canal into the Mediterranean where it is usually identified as Melibe fimbriata. Hello Bill, Locality: Bay of Poshitra, (24.77.46 N, 52.07.77 E). On one photo I think you can also see the extending oral tube. Incidentally, this divesite is just a few miles west from Chantaburi province in Thailand where Bergh collected his type specimen of Melibe bucephala in 1900, so you might like to add this species name to the problematic three mentioned above.
It was quite a photographic challenge to depict a mostly colorless animal covered with sand on a sandy background at night! Locality: Lembeh, 12-15m, Sulawesi, Indonesia, Pacific, 4.
Its diet
Bulletin of Zoological Nomenclature, 21(2): 97-100.• Lemche, H. M. 1962. the
Bill Rudman. If the anchor came first then the spiral is anticlockwise, but if the anchor was produced last then the coiling is clockwise.
[3] The hood is compressed further, pushing excess water out and forcing the prey towards the mouth.
The flaplike extensions of the oral hood are the rhinophores. Last Sunday I went diving and saw a nudibranch that I had never seen before and I was hoping that I could get some assistance in finding out what it was.
There is still some confusion over these large species of Melibe from the Indian and Pacific Oceans. In that habitat, it is one of the most numerous opisthobranchs, sometimes occurring in … In contrast, Melibe is an active predator which traps fast-moving free-swimming animals such as small crustaceans, using its extendable oral hood. near Okha, Gujarat. A fascinating slug!!
The ribbons form tight coils or wavy
Kodiak Island,
Locality: Cyrene Reef, intertidal, Singapore, South China Sea, 8 May 2008, Intertidal. Any comments welcome.
I may be wrong, but whatever the case, it is very difficult from photos to distinguish the external differences, which have been used to characterise some species in this genus. For quite some time I have been pondering over these images and wondering what species they are. surface of the hood contacts a small animal the hood rapidly closes and
I had to look up the word "dextrally" in my dictionary ("rechthändig" in German..), then I went and took a closer look at some more of my photos and I think these egg ribbons are dextrally. The Veliger, 29: 400-414. [see page on lessepsian migration]. Thanks for this message.
1838. Please help me to identify this species. We saw 6 or 7 individuals this morning, but no egg ribbons. If so, it is certanly not a synonym of M. viridis.
[1] All other members of the genus Melibe contain chitinous plates in the stomach, however, they are absent in M.
[3] Fertilization occurs internally, and individuals can lay up to 30,000 eggs at a time. Here is a well-camouflaged one found a on a night dive. In this nearly head-on view the open oral hood with its filiform
We are underwater videographers and we would like to have your help for the indentification of a sea slug. Locality: Haad Nual, Koh Larn, 10 metres, Chonburi province, Thailand, Gulf of Thailand, 25 February 2007, Sheltered sandy bay.
They are transparent, often cream to orange in color and some pale brown spots all over their body. Best wishes, [#c28], Dear Patricia,From the shape and colour of the cerata I would say this is Melibe mirifica. and O'Clair, 1998
When swimming it is usually upside-down, and thrashes or undulates back
Concerning your comment about Kelaart's use of the name Meliboea instead of Melibe. In that habitat, it is one of the most numerous opisthobranchs, sometimes occurring in … the fringing tentacles overlap, holding the prey in. name is due
I'm an amateur marine biologist from Gujarat, India. It was about 10 cm long and when lifted up it wriggled and danced like a Spanish Dancer. A very nice specimen of Melibe mirifica, I think. Linda I. As you will see from earlier discussions I am of the opinion that the name Melibe viridis applies to this large species which is wide spread in the Indo-East Pacific. [3] Experiments in a laboratory setting have supported this theory; showing that on average M. leonina swim 20 times more often at night. What is also interesting are the small Periclimenes imperator shrimps, that often perch on them, sometimes 3 or more on one nudibranch.
Did the animal produce the anchoring thread first and then produced the coil, or did it first produce the long coil abd then anchor it in the sand? However it seems the rhinophore stalk has a large branch, and the papillae on the back are very large, so it may be another species. As to what they eat. March 2005 and 7.
Thanks! Best wishes, Bill Rudman. Photographer: Ron Yeo.
are visible to the right. I have listed below one reference to the opisthobranch fauna of the Gulf of Kutch, which I guess you are familar with, but I am sure there is another which mentions finding Melibe. PHOTOS: Bill Rudman. appear
However, I need assistance in correctly identifying this species because there is no taxonomist or for that matter there's nobody from the university who studies this species. [8], "Autotomy of Cerata by the Nudibranch Melibe leonina (Mollusca): Ultrastructure of the Autotomy Plane and Neural Correlate of the Behaviour", "Melibe, Kelp Forest, Invertebrates, Melibe leonina at the Monterey Bay Aquarium", Joseph L. Sevigny, Lauren E. Kirouac, William Kelley Thomas, Jordan S. Ramsdell, Kayla E. Lawlor, Osman Sharifi, Simarvir Grewal, Christopher Baysdorfer, Kenneth Curr, Amanda A. Naimie, Kazufusa Okamoto, James A. Murray, James M. Newcomb : The Mitochondrial Genomes of the Nudibranch Mollusks, Melibe leonina and Tritonia diomedea, and Their Impact on Gastropod Phylogeny; PLOS|ONE May 21, 2015, https://en.wikipedia.org/w/index.php?title=Melibe_leonina&oldid=983511082, Wikipedia articles needing page number citations from September 2018, Creative Commons Attribution-ShareAlike License, This page was last edited on 14 October 2020, at 17:17. By wiping along all the blades of sea grass it makes little crustacea try and escape by swimming into the 'net' where they are swallowed. 1991
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