Each female may deposit a portion of her eggs at several different locations. The adhesive eggs are mixed in the gravel. They hatch in six to eight days. Yolk-sac fry have an adhesive disc on their snouts by which they attach themselves to submerged objects until the yolk sac is absorbed. Fry feed primarily on insect larvae, and small crustaceans such as water fleas.
Fish appear in the diet very early.
Longnose gar are typically associated with backwaters, low inflow pools and moderately clear streams and often do very well in man-made impoundments. Distribution Longnose gar range widely throughout the eastern U.S. and north into southern Quebec. The species is especially common in the Mississippi River drainage and in the Carolinas. They may be found as far south and west as the Rio Grande drainage in Mexico, Texas and New Mexico. Longnose gar appear in most Texas rivers.