DrawingPhotos has a collection of 28 different ideas and tutorials for drawing dolphin. These ideas range from simple and easy dolphin drawings suitable for beginners, to more complex and detailed designs for experienced artists. Some of the most popular dolphin drawing ideas include step-by-step guides for drawing realistic dolphins, cute cartoon-style dolphins, and stylized dolphin designs with unique patterns and shapes. Whether you’re a professional artist or just starting out, the Dolphin Drawing Ideas can provide you with plenty of inspiration and tips for creating your own beautiful dolphin illustrations.”

Detailed instructions for illustrating a dolphin: How to draw a dolphin.
Check this out too: Dolphin coloring pages.