hsini_lin's Favorites
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Chinese Tropical Fritillary (Argynnis hyperbius ssp. hyperbius)Observer
jpsilva
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Lost Cuthona (Cuthona perca)Observer
anudibranchmomDescription
Both C. perca slugs I found yesterday at Lake Merritt seemed to have some sort of evenly-spaced, stalked growths on all their surfaces, perhaps some sort of parasite, fungus, virus or ? The overall impression was "furry." The other one, which I brought over to the microscope (https://www.inaturalist.org/observations/240871810), also shows these growths and was photographed by @audreyfalconer1, @pacificplankton, @leslieh, @ktnoonan, @chilipossum and possibly others as well.
Water quality data:
Temp: 23.6 degrees C
SAL-ppt: 33.93
pH: 7.89
DO: 86.6 (top)
Update: those might be ciliates in genus Scyphida, according to Jeff Goddard (see comments below).
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Genus PhestillaObserver
caleidoskopableDescription
Observation is for the brown individuals.
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Sunflowers, Daisies, Asters, and Allies (Family Asteraceae)Observer
juliabohemianDescription
Disclaimer: This observation includes ALL the photographs I was able to take of this particular organism. That may not include images of the entire organism, all of its defining characteristics, or the general area in which it was found. I am already aware that this may reduce the likelihood of a species level identification. If there is an identifying characteristic that is unique to this specific organism, please let me know so I can do my best to include it the next time I photograph it. Thank you.
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Pear Marginella (Granulina margaritula)Observer
jeffgoddardDescription
Many of these little snails were present at North Cove this morning.
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Beautiful Platydoris (Platydoris formosa)Observer
nmi_fishguyDescription
Two of these quite close to each other in the tide pool
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Pacific Corambe (Corambe pacifica)Observer
anudibranchmomPlace
PrivateDescription
Both are C. pacifica - note difference in markings
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Humpback Whale (Megaptera novaeangliae)Observer
anudibranchmomDescription
Group of 10-12 whales vertical lunge feeding on Northern Anchovy bait ball, numerous CA sea lions and gulls/shearwaters present.
Blue Ocean Whale Watch
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Hancock's Nudibranch (Hancockia californica)Observer
aeolidaioliDescription
Juvenile that was just over 1mm long
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Blister Glassy-Bubble (Haminoea vesicula)Observer
alanarama3Description
Adults and eggs.
A bloom like I've never seen. They were everywhere.
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Cooper's Aeolid (Coryphella cooperi)Observer
alanarama3Description
A fairy palm hydroid (Corymorpha palma) with blister glassy bubble (Haminoea vesicula) eggs and Cooper's aeolid eggs laid upon that.
Adult Cooper's present.
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Cooper's Aeolid (Coryphella cooperi)Observer
alanarama3Description
Adult and white egg strings.
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Genus TrinchesiaObserver
traceyhowleyDescription
Black and blue stripes on certa only, colour variation found a few times.
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Warty Shag-rug Nudibranch (Aeolidia loui)Observer
abbytDescription
wandering around on the sand
