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.
All are yellow freestone peaches. A bushel of nectarines or peaches weighs 48 pounds and yields 16 to 24 quarts. An average of 17Â½ pounds makes a 7-quart canner load; 11 pounds makes 9 pints. A bushel of apricots weighs 50 pounds and yields 20 to 25 quarts. An average of 16 pounds makes a 7-quart canner load; 10 pounds makes 9 pints.