Delicious Gammarus Shrimp Treat for All Aquatic Pets 0.35 Ounce Pack of 3 on July 7, 2026 July 17, 2026 Since 1951, has been at the forefront of fish nutrition. Our Delicious Gammarus Shrimp Treat is no exception. Delicious Gammarus Shrimp Treat. Whole sun-dried gammarus shrimp for a delightful treat.