Sea Cucumber Small 320×214 Medium 640×429 Large 1024×686 Download Tiff Original 2400×1607 | (3.7 MB) Description A sea cucumber may be compared t a sea urchin that has been drawn out in the direction of the pole - that is, from mouth to anus (Colton, 1903). Keywords Echinoderm, Echinodermata, sea cucumber Galleries Sea Cucumbers Source: Buel P. Colton, Zoology: Descriptive and Practical (Boston:D.C. Heath & Co., 1903) 344
