- These hornworms come shipped in a habitat with food! Hornworms are great for picky eaters and can be a good trick to get your reptile off a hunger strike! They come in an intriguing blue/green color that is sure to catch the eye of your reptile! They are a good treat due to their high water content which will help re-hydrate your reptile! Both the 12-15, 75+ and 25 count come with the same amount of food. The 12 counts hornworm cups will have enough food to grow them to their full 3”-4” length