Image courtesy of David Cowdery
Anilao, Batangas, hilippines
Marianina rosea Pruvot-Fol, 1930|
This is an interesting genus which historically has been placed in a separate family. Recent genetic analysis shows that this genus is clearly a tritonid, and one containing only a single species.
The body varies from pink to purple, with 4-5 pairs of bifid cerata. The cerata vary in color from yellow white to pink tipped with white as seen in David's photos here. The rhinophores are quite characteristic, being orange to bright red.
Its range includes the Western Pacific and Indian oceans, where it lives on reef slopes and flats.
Unlike most tritoniid's that feed on octocorals, including soft corals, gorgonians and sea pens, this species feeds on arborescent hydroids.
New Braunfels, TX
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Dave Cowdery is a retired bio-medical Engineer and is the inventor of the Alumina/Titanium hermetic feedthrough (1970) for implantable bionics and the first to introduce a Titanium casing. This invention created the first bionic implant (pacemaker) with a service life that could be measured in years rather than months and is the basis for todays huge multi billion dollar bionic industry. David's pacemaker invention and his critical contribution to the launching of the Cochlear hearing implant has recently been recognised in two authoritative books ( "Innovative and Intelligent Bioceramics in Translational Medicine" and "Alumina Ceramics-Biomedical and Clinical Applications").
David is a Divemaster with over 5,500 dives experience and is based near Byron Bay in Australia. David is also a keen competitive road bicycle rider covering over 400 km most weeks. Photographic equipment used Nikon D800 camera with DS160 substrobes.
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