Gulf Killie - Texas Killie - Texas Minnow - Bull Minnows Fundulus Grandis Fundulus grandis or Gulf killifish is the most common minnow species in the Bolivar area (Gulf coast area in Texas). This is the largest of the coastal killifishes and may reach 8” at maturity. Know to inhabit very inhospitable saltwater environments, including marshes and shallow mud flats where extremes of temperature, water salinity, and low oxygen extremes occur frequently. Fundulus Grandis is a locally favorite bait fish for coastal angles. other local fish baits include: mullets, croakers, and piggy perch. Stripped Mudminnows - Fundulus majalis Striped killifish Also can live in very inhospitable saltwater environments, including marshes and shallow mud flats where warm and cold water temperatures and bad water salinity with low oxygen content. Fundulus Majalis is a locally favorite bait fish for coastal fisherman. other local fish baits include: mullets, croakers, and piggy perch.