Gulf killifish Gulf killifish The Gulf killifish ("Fundulus grandis") is one of the largest members of the genus "Fundulus"; it is capable of growing up to 18 cm in length, whereas the majority of other "Fundulus" reach a maximum length of 10 cm. Therefore, "F. grandis" is among the largest minnows preyed upon by many sport fish, such as flounder, speckled trout, and red snapper. "Fundulus" derives from the Latin meaning "bottom," and "grandis" means "large". The Gulf killifish is native the Gulf of Mexico from Texas to Florida and the eastern coast of Florida to Cuba in the Atlantic Ocean. Threats
Largest organisms namadicus" may have been the largest land mammal ever, based on extensive research of fragmentary leg bone fossils from one individual, with a maximum estimated size of 22 tonnes. The Permian era "Cotylorhynchus", from what is now the southern United States, probably was the largest of all synapsids (most of which became extinct 250 million years ago), at and 2 tonnes. The largest carnivorous synapsid was "Anteosaurus" from what is now South Africa during Middle Permian era. "Anteosaurus" was long, and weighed about . The largest living reptile, a representative of the order Crocodilia, is the saltwater crocodile ("Crocodylus porosus")