This isn't quite exact, but 1/4 cup of butter (so a half stick if you're in the US) is 57 grams according to the conversion chart from allrecipes below. So use just a slightly heavy 1/4 cup or 1/2 stick.
Yellowtail, including Yellowtail Jack (Seriol landei), are recognized by a yellow stripe across their body and their yellow tail. Range & Habitat: Yellowtail is caught year round, but more commonly during summer in the Pacific Coast and the Sea of Cortez. They are caught primarily with hook and line, and their average weight is 10 to 20 lbs.
Herbivore. Average life span in the wild: Less than 3 years. Size: 15.5 to 18.75 in (39.5 to 47.7 cm). Weight: 28 to 54 oz (800 to 1533 g). Size relative to a tea cup: There are several species of cottontail rabbit, but the eastern cottontail is the most common.This ubiquitous animal can be found from Canada to South America and, in the United States, from the East Coast to the Great Plains.5.5 to 18.75 in (39.5 to 47.7 cm). Weight: 28 to 54 oz (800 to 1533 g). Size relative to a tea cup: There are several species of cottontail rabbit, but the eastern cottontail is the most common.