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E-1740 STRIPED SEA CUCUMBER, Thyonella gemmata, a practically indestructible
mud-burrowing, thick-skinned holothurian that lives in a U-shaped burrow. Its bright red blood is a source of invertebrate hemoglobin. Recommended as a good laboratory dissection specimen. Doesn’t eviscerate. Size: 10-12 cm.
E-1770 RED FOOTED SEA CUCUMBER, Pentacta pygmaea, a small, brown
holothurian which clings to rocks and seaweed with unusually large, highly modified tube feet. An abundance of osicles in the body wall makes it stiffer than most other sea cucumbers. In the aquarium it will climb the glass to the water level at night. Periodically its crown of feathery black tentacles will emerge from the anterior end. Pentacta will not eviscerate when handled. Size: 4-6 cm.
E-1772 LABORATORY SEA CUCUMBER, Thyone briareus, occurs abundantly from
Maine to Texas, and has been traditionally used for dissection and study. When contracted, it turns into a tight round turgid ball. Normally, they lie buried, with only their flowery crowns rising above the sand.
E-1773 MEXICAN SEA CUCUMBER Thyone mexicana
E-1780 GIANT SEA CUCUMBER, Isostychopus badonotus. Grows to be the largest of
all cucumbers in the Gulf of Mexico. This, and other large species, are dried and eaten in oriental countries. Lives in mud flats in deeper water offshore. Size: 12-18 cm.