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Restrict search - sea urchin AND: underwater 3 Botanical Beach 3 tide pool 3 Vietnam 2 macro 1 beach 1
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Urchine In Cave
Urchine In Cave
Species: Strongylocentrotus purpuratus (Purple Sea Urchin)

John Harvey Photo > John's Overnight Page > Port Renfrew > Urchine In Cave

Sea Urchine Bursting Out
Shot through water so there are limits to how much sharpness you can get.
Species: Strongylocentrotus purpuratus (Purple Sea Urchin)

John Harvey Photo > John's Overnight Page > Port Renfrew > Sea Urchine Bursting Out

Purple Sea Urchins In Holes
Strongylocentrotus purpuratus erode the rocks to form the little depressions they occupy.
Species: Strongylocentrotus purpuratus (Purple Sea Urchin)

John Harvey Photo > Botanical Beach > Purple Sea Urchins In Holes

Swimming Over Spikes
Swimming Over Spikes
John Harvey Photo > Trips out of the Country > Vietnam > Pho Quoc > Swimming Over Spikes

Sea Urchins Grazing
I'm pretty sure this is Diadema Genius. I'm less sure about setosum but it does match what I'm seeing on the internet. At the time, I thought these were feeding on the coral but from what I've read, they feed on algae.
Species: Diadema setosum (Setosum Spined Urchin)

John Harvey Photo > Trips out of the Country > Vietnam > Pho Quoc > Sea Urchins Grazing

Green Sea Eurchins
This is what happens when you turn the flash on.
Species: Strongylocentrotus droebachiensis (Green Sea Urchin)

John Harvey Photo > John's Overnight Page > Desolation Sound > Green Sea Eurchins

Spines On Urchin
This was an impressive sized Urchin and thankfully no one felt up for sushi that afternoon.
Species: Strongylocentrotus franciscanus (Red Sea Urchin)

John Harvey Photo > Aristazabal Island > Aristazabal Island - Day 1, 2 > Spines On Urchin

Small Urchin
I wish I could identify this one, but it could be either a white Urchin or a Juvenile purple and there isn't enough in this picture to be sure.
John Harvey Photo > Kayaking in the Gulf Islands > Small Urchin

Aristotle's Lantern
The mouth parts on the Urchin are called Aristotle's Lantern. It has 5 way symmetry.
Species: Strongylocentrotus franciscanus (Red Sea Urchin)

John Harvey Photo > Aristazabal Island > Aristazabal Island - Day 1, 2 > Aristotle's Lantern

Red Sea Urchin
Strongylocentrotus franciscanus. I'm used to the much smaller Purple Sea Urchin, so I was quite surprised how large this one was when Steve hauled it on board.
Species: Strongylocentrotus franciscanus (Red Sea Urchin)

John Harvey Photo > Aristazabal Island > Aristazabal Island - Day 1, 2 > Red Sea Urchin

Purple Sea Urchin Shell

Ruth found this shell on the beach on Hope Island. We added a little
water and the purple color came though.


John Harvey Photo > Mid Coast of BC on the Curve of Time > Hanson Island to Nigeil Island > Purple Sea Urchin Shell