Tethys fimbria Linnaeus , Linnaeus, 1767
Members of the family Tethydidae, which include the genus Melibe, are without question one of the most ecologically interesting of all the nudibranchs - for a start, if we exclude vertebrate eggs, this is the only group that can feed on vertebrates, in this case fish larvae.
Tethys fimbria is no exception. Tethys fimbria is the only species in the genus. It is closely related genus Melibe, having a large oral hood, used in the capture of food, and large cerata down each side of the body. Specimens can grow to 300 mm in length. While both genera lack radula the main difference between Tethys and Melibe is that Tethys does not have stomach plates used in the digestion of food. Melibe does.
Otherwise the two genera both have a fringe of sensitive papillae along the edge of the oral hood which tell the animal when it has caught prey. Both have large smooth, flattened cerata which are easily cast-off (autotomized) when disturbed and both are great swimmers.
The coloration of Tethys fimbria is striking, being translucent white except for its large irregular blackish brown spots on the cerata, and sometimes on the edge of the oral hood and the foot.
This species ranges from the Mediterranean and east Atlantic coast from Portugal to the Gulf of Guinea.
Sammamish, WA 98074
Send Dave email at email@example.com
I am a veterinarian , specialized in dermatology , living in the south of
France , on the Mediterranean seashore. I started diving end of 2001 , and
realized it was a wonderful way to get away from stress. I became addicted ,
and developed an early interest in marine biology , this giving me "better
eyes". I came to underwater photography with some reluctance two years ago ,
pushed by some fellows photographers , but I soon realized how nice it was
to share what I had seen with friends , and that it was a more reliable way
to describe the encounters than memory alone. I try whenever possible to
combine my passion for diving with my passion for traveling . My camera is
a Cannon G11 with an Inon D2000 strobe. I am still at the stage where I shoot at
everything with enthusiasm , and I know that I have to work to improve my
photographic skills , but now , I am hooked , and the Mediterranean sea ,
which is my backyard is an absolutely wonderful and endless game field.
I have joined a small association of UW photographs named Les Aquanautes (www.lesaquanautes.eu/)during the past six (6) years I have been taking underwater photos.
Send Zeineb email at firstname.lastname@example.org
Zeineb is not a newcomer to the site having previously contributed to BOW 671 (Halgerda Okinawa). I for one am certainly looking forward to more of her images from the Mediterrean!