Browse Items (7 total)

  • Tags: R. Schnuerle

On Pins and Needles Photo 6

MARC_GTW_v1_n29_1964_On Pins and Needles Photo 6_019.pdf
Although the sea urchin belongs to the same family as the Pacific sea star, the starfish is one of its most voracious enemies. – (R. Schnuerle)

On Pins and Needles Photo 5

MARC_GTW_v1_n29_1964_On Pins and Needles Photo 5_019.pdf
This long-spined urchin has been turned over to reveal its mouth opening and inner grinding mechanism called ‘Aristotle’s lantern.’ – (R. Schnuerle)

On Pins and Needles Photo 4

MARC_GTW_v1_n29_1964_On Pins and Needles Photo 4_018.pdf
Break off a spine of the slate-pencil urchin and it will grow a new one. These spines are purple outside and white inside and are used as chalk on some islands. In the Philippines wind chimes and even ‘bead’ curtains are made from the spines. (J.…

On Pins and Needles Photo 3

MARC_GTW_v1_n29_1964_On Pins and Needles Photo 3_018.pdf
Sea urchin shells seldom resemble the living creatures. The rows of round bumps represent spine attachments. In between are tiny perforations for the tube feet. – (Photo by J. Beaty)

On Pins and Needles Photo 2

MARC_GTW_v1_n29_1964_On Pins and Needles Photo 2_018.pdf
Short-spined urchins like this are often called ‘sea eggs’ in countries where their roe is eaten. – (R. Schnuerle)

On Pins and Needles Photo 1

MARC_GTW_v1_n29_1964_On Pins and Needles Photo 1_017.pdf
This spongy urchin reminded us of a grapefruit. Underwater photo shows the urchin’s tube feet emerging at right to explore the driver’s gloved fingers. – (Photo by R. Schnuerle)