Their facial features included a pronounced, deeply furrowed brow and a bovine snout. A layer of fine, downy fur covered their hide-thick skin. Two slightly curving horns, which could reach ten centimeters in length, crowned the Grazerite skull. In the early 2370s, fashion called for a tight-fitting cloth cowl to cover the horns. (DS9: "Homefront")
In the script for "Homefront", the Grazerites are described as "having evolved from herbivorous herd animals and as such loathe violence and confrontation." Indeed, their appearance incorporates goat-like traits and their name evokes the term "graze", meaning to feed on grass.
When Herschel Sparber was cast as Jaresh-Inyo, Sparber was aware that the character was a Grazerite, though what the species would look like was unclear to the actor. "Of course nobody knew what a Grazerite was – yet!" Sparber exclaimed. "Most of the actors who auditioned for the role thought of antelopes and gazelles, but I thought of a wildebeest." The performer was under the impression that his unique take on how a Grazerite would behave won him the role. (Star Trek: Deep Space Nine - The Official Poster Magazine, No. 10) However, the DS9 writing staff actually wanted Grazerites to be "somewhat antelopelike," in the words of Robert Hewitt Wolfe. (Star Trek: Deep Space Nine Companion, p. 299)
The Grazerite prosthetic mask was fairly heavy. Each day of filming, it took three hours to be applied to the actor's face, and an hour for removal. (Star Trek: Deep Space Nine - The Official Poster Magazine, No. 10)