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Aeolid Nudibranch

Trinchesia sibogae

Description:

It was an interesting find for me, this Nudibranch as it was new to me, but more so because I was able to observe it over 3 dives in over 3 weeks. The first pic was my first observation, it was alone, but itself feeding on the hydroids. On the following week, we saw this same Nudibranch again at the exact location, but this time, it was pairing with a much smaller Nudibranch, which we didn't noticed at all during the dive until my friend checked the pictures. I didn't get to take any pictures during this dive as my camera flooded the day before. The following week, I was able to get a new camera and when we saw this same Nudibranch again at the same exact spot, it was laying eggs. The eggs are the tiny white spiral stuff in Pic#2. Trinchesia sibogae has a pale lilac purple body, the oral tentacles and the slender smooth rhinophores are pale lilac purple at the base, the upper half reddish purple. The cerata are pale lilac purple with a deep reddish purple to deep purple subapical band and a bright golden yellow tip.

Habitat:

It feeds on an orange-yellow hydroid of the genus Sertularella.

Notes:

This species is also known as Cuthona sibogae.

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AlbertKang
Spotted by
AlbertKang

Bogo, Cebu, Philippines

Spotted on Apr 11, 2016
Submitted on May 21, 2016

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