Rusty urchin - a photo on Flickriver

Rusty urchin

This Edible sea urchin (Echinus esculentus) has gone "rusty" due to living on a wreck.
"A large globular sea urchin, up to 15 -16 cm in diameter at 7-8 years of age, although the largest diameter recorded was 17.6 cm. The test may be relatively flat in shallow water but taller in deep water. Test pinkish-red but occasionally yellow, green or purple. Spines closely cover the test and are reddish, usually with violet points and white bosses. Primary and secondary spines and their bosses are similar in size, except in small specimens in which the primaries are conspicuous. Ambulacral plates bear 3 pairs of pores. Primary tubercles (bosses) found on every second or third ambulacral plate. All coronal plates bear pedicellariae (modified spines). Plates covering the mouth membrane bear small, club shaped spines as well as pedicellariae. Globeriferous pedicellariae bear 1 lateral tooth below the terminal tooth. The polychaete Flabelligera affinis may be found amongst its spines."
www.marlin.ac.uk/species/detail/1311
Taken on the wreck of the Persier in Bigbury Bay.

Taken in: United Kingdom / England / Mothecombe (show map)

Taken on: July 1, 2017

Tags:

Sea urchin

edible

wreck

wreckage

Persier

Bigbury

bay

Devon

SCUBA

diving

underwater

Plymouth

Maid Maggie 2 « less

Sets appears in: • Underwater • Devon and Cornwall

Groups appears in: • Underwater Magic • Wetpixel Underwater Photography more » • British Wildlife • This Is Why We Dive • Marine Wildlife of the NE Atlantic • UK diving • Wildlife of the British Isles • Devon Wildlife • Canon PowerShot S100 • Aardvark To Zyzzyva « less

Camera: Canon PowerShot S100, f/5.6, 1/100 sec, 9.6mm, ISO 400 (more info) (hide info)

Camera:	Canon PowerShot S100
Aperture:	f/5.6
Exposure Time:	0.01 sec (1/100)
Focal Length:	9.6mm
ISO:	400
Exposure Bias:	0 EV
Flash:	On, Fired
Exposure Mode:	Manual
Metering Mode:	Multi-segment
White Balance:	Manual
Color Space:	sRGB
Show full info

Stats: 1,883 views / 3 comments

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