TOON RIDDLE NO FURTHER A MYSTERY

Q: My skin is environmentally friendly and slippery, I've 4 legs and webbed feet, I hop on land and swim underwater, I really like bugs and minimal fish to try to eat. What am I?c) The lacking number is 17. Each individual number from the circle is the sum with the quantities in the other quadrant. In this instance, the quantities are eight and 9 �