Hypselodoris reidi (Hypselodoris reidi)

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Photo by Blogie

Published on Project Noah

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Field Notes

Description:

The body of this nudibranch is elongated and has a high profile. The base of the gill is higher than the rest of the body, forming a volcano-like shape (similar to Hypselodoris krakatoa). The body is yellowish brown with darker brown patches, which vary from animal to animal. The mantle margin around the head and foot is light purple. The rhinophores and gills are rusty-brown.

Habitat:

Sandy and rubble areas of coral reefs. Widespread in the Indo-Pacific region.

Notes:

I spotted this nudibranch at a depth of about 25 feet (dive site: Angel's Cove, Talikud Island). There were actually 3 of them in one spot! The 4th picture is of the other one, and the last picture is of the third critter, which was hanging upside down when I saw it.

Reference Links:

Hypselodoris reidi - Overview, Hypselodoris reidi Gosliner & Johnson, 1999 - Chromodorididae » Nudi Pixel

Species ID Suggestions

Comments (12)

Blogie

This is me: www.nudipixel.net/photographer/blogie_robillo/ I haven't been contributing much to Nudipixel, though, because their response time is way too slow. Mostly I use their site for reference. :)

SamanthaCraven

I looked it up, it looks like a perfect match - I keep some powers there too - what's your username? I'm here: http://www.nudipixel.net/pictures/photographer/samantha_craven/

Blogie

Well, check out nudipixel.net's entry for H. reidi. Nudipixel is where I keep my nudi powers. ;)

SamanthaCraven

Oh! That looks more like it! It's just not in my Nudi ID book (which is where I keep my nudi powers)

Blogie

Hi Samantha. Yeah, I figured it couldn't be Ceratosoma. But am I right in changing it to Hypselodoris reidi?

SamanthaCraven

Sorry Blogie, but I disagree. Ceratosoma sp. do have long 'tails' but they have an unmistakable frilly mantle, and the end of the mantle sticks up behind the gills. In your specimen, it is quite clearly the gill pocket that is raised. You can see the difference here: http://www.nudipixel.net/species/ceratosoma_tenue/ It might not be H. krakatoa - but it's not a Cerastoma :)

Blogie

I've just been told that this nudibranch might not be H. krakatoa, but could be of the genus Ceratosoma. Maybe C. tenue?

Blogie

Thanks for the ID, Samantha! Appreciate it. :)

SamanthaCraven

I love the 3rd photo. Hypselodoris have gill structures much like the Chromodoris, but with a longer 'tail'. The Nembrothas have more feathery gills. This species in particular has an extremely high gill pocket. I think it's aptly named :)

Gerardo Aizpuru

Wonderful series The video is very nice

Blogie

Thanks, Nopayahnah. Whenever I dive, I'm always on the lookout for nudibranchs. ;)

Maria dB

you see the most beautiful creatures!

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Hypselodoris reidi