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Tritoniidae sp. 07  Family: Lamarck, 1809

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This specimen is most likely very small, though no size was recorded. It might be a juvenile Tritonia sp. 4 in IPN page 332, let me quote the description:"Body gray to brown with various shading patterns that create a pattern of alternating diamon-like color elements. Dorsal surface with minute opaque white punctations. Eight pairs of secondary gills finely branched. Three or four pairs of simple or slightly brached velar tentacles."
But I don't know how juvenile Tritoniidae develop and if they change their appearence while growing. I am not sure, that is the reason why I use the family and call it Tritoniidae sp. 07, to distinguish it from other species of Tritoniidae.
On 13 March 2018 sent Gordon Tillen this picture of a 13 mm specimen which has 3 pairs of secondary gills, the specimen #1 has also 3 pairs of large secondary gills and one additional pair of small gills. The number of secondary gills differs too much from IPN Tritonia sp. 4 (8 pairs), it must be a distinct Tritoniid.
Reference:
Gosliner, Terrence M., David W. Behrens & Ángel Valdés. 2008. Indo-Pacific Nudibranchs and Sea Slugs.
Sea Challengers Natural History Books. Gig Harbor, Washington. 426pp.
How to cite:
Köhler, E. (2018), published 26 April 2018, Tritoniidae sp. 07  Family: Lamarck, 1809
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Cladobranchia/Tritoniidae_sp_07.htm