Chromodoris daphne

Magnus Sund Chromodoris daphne?? Ao nang local islands Canon G12 S1/500 iso 200

Ron Silver This is a puzzler. C. daphne does not have the white marginal band.

Magnus Sund Thanks Ron Silver ! that was the closest one i could find in my book(time to get a better updated book now :) )

Ron Silver I've continued to look at this. Another factor leading me away from C. daphne is the pure white rhinophores and gills in your photo as C. daphne has red rhinophores and gills.

Magnus Sund Thank you very much Ron for the information,the only source i have to look in is the nudibranch of the world by debelius&kuiter

Ryan Pearson ID please? :)

Gary Cobb This is Chromodoris daphne (Angus, 1864)

Ryan Pearson Thankyou kind sir. How are you with Flatworm ID too? :P

Gary Cobb Bring it on!

Ryan Pearson There are a couple on here (possibly the same species) that I can't find :) http://theworldinplainenglish.blogspot.com/2011/10/photos-gold-coast-seaway-night-dive.html

Sascha Hofmann Same question as Deb Aston, is this Chromodoris Daphne or something else? There are yellow dots around the mantle but no red border. Found at Cook Island about a month ago.

Gary Cobb This looks like Mexichromis festiva (Angas, 1864) to be sure if you have another shot showing its tail there would be a purple edge on it.

Sascha Hofmann No other shots :( But the gills are more purple than red (like on deb's photo)

Patrik Good Goniodoridella sp. 1 (http://www.nudibranch.com.au/pages/9667b.htm). 9mm, 3 metres, Seaway SW Wall. Where have all the Hypselodoris obscura, Ceratosoma tenue, Chromodoris daphne/verrieri and the rest of the excessively abundant day-nudis gone? There seems to be no food source, all rotten away during the past few weeks with all fresh water instream. Now, there is one species emerging in surprising numbers and that I rarely spotted before, the Goniodoridella sp. (various sizes 8mm to 18mm). Anyone know what they are eating? Wonder how long it will take for the other nudis to be back again. The photo shows one individual saying hello to another one.

Gary Cobb Nice finds Patrik! Eminem sings....food sources they come and go...

Patrik Good :-) Thank, Gary Cobb. Food sources going for some species obviously means food source coming for other nudi species. Well, maybe the nudis were just missing the queen of the Seaway and decided to go travelling too.

Vishal Bhave Is it wide spread ? as i have specimen here from Ratnagiri !!! :D

Patrik Good Vishal Bhave, it is quite common in South East Australia. I have found it on several occasions on Old Woman Island and Southport Seaway, QLD. I have no idea how widespread they are on a global scale. Maybe some other nudi lovers have more info. Last dive this was the only species I found. Food source for other nudis have recently died with all the rain and temperature is relatively high. This nudi was abundant (more than 15) and probably busy reproducing. It would be interesting to know the reason for their appearance in numbers.

Patrik Good Hi Vishal, just realised that you must be a researcher. Are you planning to do a paper on this species? Where is the diving/collecting done in Ratnagiri? Is that Mirya creek or the open sea?

Patrik Good Scanning the Seaway again for 4 hours yesterday. Due to a lack of boat traffic (don't we love severe weather and coastal flood warnings?) I could safely dive the shallows too. The Goniodoridella sp. 1 are still everywhere (I stopped counting and taking pictures). Still no other nudi to be seen except for a tiny Chromodoris geometrica at a quite unusual spot inside a black sponge. Found a few beaten egg masses too. If anyone is diving the Seaway at night please let me know if things look different.

Vishal Bhave I have collected that in Rockpool, in Ratnagiri.

Patrik Good Just an update on these critters. They are absolutely loving the strange conditions we have at the moment. They have grown physically in size and in numbers. They are everywhere. You can see them stretching out their backflaps - it looks like they are sunbathing - and I think I even spotted two of them reproducing. All the other nudis seem to still be gone (only one egg mass found on a two hour dusk/nightdive), along with their food.

Patrik Good Update on these nudis. They are still around, some in twos but not that many and some don't look healthy any more.

Patrik Good Update on the Goniodoridella sp. at the Seaway. They were abundant, healthy looking and mating again last week. Today, I only found one individual and I can certainly say that they are not as visible any more at the moment. I wonder if their mating had been successful at all. These critters keep surprising me.

Patrik Good Update on the Goniodoridella sp. at the Seaway. They are still around, more visible again, and regularily found in numbers. They are looking healthy and some are quite big. My theory about the wing flapping is definitely falsified. Saw a wing flapping individual and no other individual on the same rock. Some individuals have brown dots on them and some have small white but clearly visible pustules/elevations.

Patrik Good Nightdive Southport Seaway 9/1/2011: Hypselodoris obscura run over by a moray eel. We used to see dozens of H. obscura, now there were only a few around. I stopped counting Chromodoris daphne/C. verrieri's (50+) and Ceratosoma tenue's (20+).

Roy Arthur David Lontoh Did you video this moment as well?

Patrik Good Now that you are asking, that would have been a good idea. Was too busy and am too used to morays. Found 19 or 20 different nudi species that dive - hopefully one or two new one's for this dive site. This night I only got videos of a Aplysia parvulla and Syphonota geographica (piggyback) and the most cryptic animal ever.

Deb Aston Is this Chromodoris daphne or something else - the red edge to the mantle is missing?

Patrik Good What looked so easy with the Chromodoris daphne's gets more and more difficult.

Deb Aston Richard is looking into this one.

Sascha Hofmann Got a similar one. Not sure if it is Chromodoris Daphne.

Gary Cobb Hey Deb Richard Willan says...The chromodorid is Chromodoris daphne. It is atypical in lacking a red marginal band, but everything else is trademark C. daphne. I see there is a large chunk missing from the mantle behind the gills.

Deb Aston thanks Gary & Richard - a few of the daphne's had chunks taken out, will post some pics later as I noticed quite a few.

Ashley Missen Hi Everyone Please Remember to send you stats and Photos to data@nudibase.com as well your post here - this way I can add them to the Database and then you can help everyone make it easier to find nudis in your area - this is important as It is the only way we can know what species are where and how many of them - Cheers and Thanks Ash

Ashley Missen Regular stats are great

Frank Wehner Will send the data tonight. ;-)

Ken Thongpila I will send Nelson Bay nudi hunts trip last week soon Ashley :-) Nothing special :-( no new species but good hunts....

Ashley Missen Thanks Ken Thongpila and Frank Wehner - I will keepading as fast as I can - Soon I will have a Data entry form on the Website

Patrik Good Ashley, I have got an issue with my stats. We normally got a few larger species that are almost epidemic at certain times in the dive sites around here (Chromodoris daphne, Ceratosoma tenue, used to be Hypselodoris obscura, Phyllidia's, Chromodoris splendida's, even Sagaminopteron ornatum etc. up north, Gymnodoris alba south). I normally photograph a few ones but then am losing interest as I am trying to find new nudi species and not researching a particular area thoroughly (this wouldn't be possible in our dive site due to environmental conditions anyhow). I know this sounds careless. We find so many different species here in one dive that it doesn't make sense and in my view it isn't feasible for me to count them all. So, if the data are for scientific purposes they won't be useable. Also, sometimes data from different divers in the same dive overlap (but often to a surprisingly low degree). Last night, I saw probably around 300 nudis but only 20 different species (hopefully 5 new ones for the dive site). I think most branchers go for new species and are less concerned about numbers. I am not sure if they share my issue and are overwhelmed with stats at times. So, question: how important are numbers? Should I resort to estimating or would you prefer having only numbers when they are accurate? As I am setting up my stats atm I'll probably have categories of 1, 2-4, 5-10, 20 to about 50, 50+ A similar issue I have got with their size. I normally estimate. We often find Ceratosoma tenue of various sizes. As they are very frequent the size data will be lost. By the way, is photographic evidence absolutely required? I reckon there are nudibranchers out there who don't have a camera available. My photos are sometimes just really bad. So, the question is if I should include those. I am pretty sure I am overwhelming you here, Ash. But I do it rather in the group. I am interested how other branchers are feeling about and handling their stats. And especially, how you want your stats.

Ashley Missen I am happy to get any data and est. on common species is ok as the regularity of the stats will this as the database is not a 100% scientific we can allow for some generalness my philosophy is some data is better than none. For example if someone sends in a photo with min data we can still say that there was at least 1 of that species at that site on that day. Hope this helps. Cheers Ash

Patrik Good Thanks, that helps. What's your preferred picture size, format?

Ashley Missen jpeg 1000 pixels on long side - Cheers and Thanks Ash

Deb Aston Is this Chromodoris daphne or something else - the red edge to the mantle is missing?

Patrik Good What looked so easy with the Chromodoris daphne's gets more and more difficult.

Deb Aston Richard is looking into this one.

Sascha Hofmann Got a similar one. Not sure if it is Chromodoris Daphne.

Gary Cobb Hey Deb Richard Willan says...The chromodorid is Chromodoris daphne. It is atypical in lacking a red marginal band, but everything else is trademark C. daphne. I see there is a large chunk missing from the mantle behind the gills.

Deb Aston thanks Gary & Richard - a few of the daphne's had chunks taken out, will post some pics later as I noticed quite a few.