Whidbey Island Critters

Fish & Invertebrate sightings and descriptions, hosted by resident NWDC ID expert Janna Nichols (nwscubamom).
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ScubaJess
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Re: Whidbey Island Critters

Postby ScubaJess » Fri Jul 31, 2015 9:26 pm

This is so tragic!!!! Poor stars! I wish we could help them somehow! Thanks for documenting this Jan. I always enjoy reading your posts, I've learned so much from you!
Live Long And Prosper!!!

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Jan K
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Re: Whidbey Island Critters

Postby Jan K » Fri Jul 31, 2015 12:47 pm

The news from Langley Harbor continues to be a bad one. It is downright depressing :
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Tidepool Geek
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Re: Whidbey Island Critters

Postby Tidepool Geek » Tue Jul 28, 2015 6:43 am

mpenders wrote: The anemones are also gone in the 2nd pic. Would they have been feasting on the sponge - and would they also be on the menu of the dorid?


Greetings,
1. Anemones eating sponge - Almost certainly not; anemones simply aren't mobile enough and seem to lack the ability to sense prey over any distance - making it almost infinitely unlikely that an anemone species would evolve to prey on sponges. The anemones pictured appear to be juvenile Epiactis spp. which, like most of our local anemones, mainly eat various small crustaceans (copepods, amphipods, etc.).

2. Dorid nudibranch eating anemones - Highly unlikely; dorids, as a group, are considered to be extremely specialized as to diet, in some cases they are obligate predators on one prey species. Many (most?) dorids eat sponges and if you see one doing so there's a pretty good chance that the animal in question can't eat anything else. If I guessed correctly about the anemones pictured, they had probably fairly recently left their parent's column and were seeking out a suitable place to live on their own and the sponge was simply in their path; further, given that sponges are often somewhat toxic I would speculate that the anemones would have wanted to get off of them ASAP. Alternatively, it's possible that the dorid could have 'bulldozed' them out of the way as it was consuming the sponge.

Having said that:
There are more things in heaven and earth, Horatio,
Than are dreamt of in your philosophy.
- Hamlet (1.5.167-8), Hamlet to Horatio

In other words, I could be all wet here.

Predatorily yours,
Alex

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mpenders
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Re: Whidbey Island Critters

Postby mpenders » Mon Jul 27, 2015 4:56 pm

Jan K wrote:Monterey dorid grazing on sponge revisited at Deception Pass dives.


Very interesting find. The anemones are also gone in the 2nd pic. Would they have been feasting on the sponge - and would they also be on the menu of the dorid?

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Jan K
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Re: Whidbey Island Critters

Postby Jan K » Mon Jul 27, 2015 1:23 pm

Monterey dorid grazing on sponge revisited at Deception Pass dives.
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Jan K
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Re: Whidbey Island Critters

Postby Jan K » Fri Jul 17, 2015 8:13 am

Tidepool Geek wrote:Hi Jan,
Thanks for continuing to post these reports.
Sorry if I'm being dense here but I've got a question about how the numbers are reported - when you say "25+ wasting 50+ Ochre stars" does that mean 25 sick out of 50 total or 25 sick and 50 (apparently) healthy?
Statistically yours, Alex


Hi Alex,
I know these reports are not real scientific, I try to cover a very large area and look for an overall status of the sea stars there. Since unlike in most other locations around Whidbey where sighting of dozen sea stars is now considered a good sign, Langley (and Penn Cove) still offers clusters where counting would take precious air time, so I round it to these rather meaningless 25+ 50+ quotes. Also ever changing visibility presents another problem. I know having a transect would be preferable, but I figure, if I take pictures of the same areas, and find time, I could count the stars and get better numbers. As I see it now, there might soon be no stars if this continues :(

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Re: Whidbey Island Critters

Postby Tidepool Geek » Fri Jul 17, 2015 6:44 am

Hi Jan,

Thanks for continuing to post these reports.
Sorry if I'm being dense here but I've got a question about how the numbers are reported - when you say "25+ wasting 50+ Ochre stars" does that mean 25 sick out of 50 total or 25 sick and 50 (apparently) healthy?

Statistically yours,
Alex

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Jan K
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Re: Whidbey Island Critters

Postby Jan K » Thu Jul 16, 2015 7:57 pm

More of the same, week after week, seeing the sea stars getting hit so hard is disheartening...
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Jan K
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Re: Whidbey Island Critters

Postby Jan K » Wed Jul 15, 2015 1:32 pm

Blue Topsnails making the water just a little bit cloudier ...
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Jan K
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Re: Whidbey Island Critters

Postby Jan K » Mon Jul 13, 2015 7:12 pm

Another rather unusual encounter on Saturday dive , this gunnel wasn't scared of me at all...
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Jan K
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Re: Whidbey Island Critters

Postby Jan K » Mon Jul 13, 2015 7:09 pm

Scubie Doo wrote:Wow, Jan that is really cool. I've been trying to get that photo from underneath the ratfish for several years. I love it :)

Thanks, it was fun to swim along, not sure what the fish was up to, not much to eat where it was ...

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Scubie Doo
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Re: Whidbey Island Critters

Postby Scubie Doo » Sun Jul 12, 2015 12:26 pm

Wow, Jan that is really cool. I've been trying to get that photo from underneath the ratfish for several years. I love it :)

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Jan K
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Re: Whidbey Island Critters

Postby Jan K » Sun Jul 12, 2015 8:58 am

Most of my encounters with Ratfish were on the bottom, This one at Keystone accompanied me at the surface...
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Jan K
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Re: Whidbey Island Critters

Postby Jan K » Sat Jul 11, 2015 5:38 pm

oldsalt wrote:Jan, It seems to me that the Irish Lord changes its color to match the background. Your picture is consistent with my conjecture. Have you noticed the same thing?
-Curt :questionmarks:

Yes Curt, I noticed how different they look on the south end of Whidbey, Possession Fingers don't even come close to the color riot of Deception Pass.
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oldsalt
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Re: Whidbey Island Critters

Postby oldsalt » Sat Jul 11, 2015 4:42 pm

Jan, It seems to me that the Irish Lord changes its color to match the background. Your picture is consistent with my conjecture. Have you noticed the same thing?
-Curt :questionmarks:
Happy to be alive.

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ScubaJess
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Re: Whidbey Island Critters

Postby ScubaJess » Sat Jul 11, 2015 2:08 pm

Great pics Jan! Those Sculpins & RIL are so fun to watch! Also cool sea spiders. Not sure why they are so cool under water but freak me out on land?
Live Long And Prosper!!!

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YellowEye
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Re: Whidbey Island Critters

Postby YellowEye » Sat Jul 11, 2015 8:13 am

Nice Jan!
Cool find on that sea spider, I haven't heard of that one before!
Very interesting about that RIL!

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Jan K
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Re: Whidbey Island Critters

Postby Jan K » Sat Jul 11, 2015 7:56 am

And back to Deception Pass. The currents were stronger and the slack much shorter this time around ...
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verrinne
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Re: Whidbey Island Critters

Postby verrinne » Mon Jul 06, 2015 11:12 am

Yes but im normally looking at the ground for cool little creatures and rocks. My uncles a geologist

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Jan K
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Re: Whidbey Island Critters

Postby Jan K » Mon Jul 06, 2015 9:42 am

Are you one of us ? :)
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verrinne
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Re: Whidbey Island Critters

Postby verrinne » Sun Jul 05, 2015 5:36 pm

Ok

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Jan K
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Re: Whidbey Island Critters

Postby Jan K » Sun Jul 05, 2015 5:13 pm

No I am not biologist of anything, but I would like to play with the dolphins .
So looking at algae is what I do when nothing else shows up during my dive :)
Last edited by Jan K on Sun Jul 05, 2015 5:44 pm, edited 1 time in total.

verrinne
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Re: RE: Re: Whidbey Island Critters

Postby verrinne » Sun Jul 05, 2015 4:49 pm

Jan K wrote:Little fun with algae and the internet :)
[img]http://jankocian.smugmug.com/Other/New-Arrivals/i-kX7Qn6x/0/XL/7.4.15%20Green%20hair%20algae%20JK%20S%20-XL.jpg[/img]
[img]http://jankocian.smugmug.com/Other/New-Arrivals/i-ZzQQ5v9/0/XL/7.2.15%20Pillars%20of%20creation%20algae%20S%20-XL.jpg[/img]

Are you the marine biologist

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Jan K
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Re: Whidbey Island Critters

Postby Jan K » Sun Jul 05, 2015 2:53 pm

Little fun with algae and the internet :)
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Jan K
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Re: Whidbey Island Critters

Postby Jan K » Sun Jul 05, 2015 2:52 pm

There was hope that the new stars will be more resilient. But now when I see that even the new ones dying , I am really worried. Where will the next generation come from if the new ones die off before they are old enough to spawn :(


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