DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Scanning electron micrograph (SEM) Coqui frog toe pad (Eleutherodactylus coqui). The coqui, also called the little frog in Puerto Rico, has only a minute tail when it is born, which quickly disappears. Its length ranges between 15mm-80mm and the colour of the coqui varies considerably. This genus has no inter-digital membrane, which could indicate that they are not adapted to swim. All coquis have disks or pads on the tips of their toes, to help them adhere to surfaces, like moistened leaves. Magnification: x800 when shortest axis printed at 25 millimetres.
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