Causes of keratitis include: 1  Injury. 2  If an object scratches the surface of one of your corneas or penetrates a cornea, keratitis without an infection may result. 3  In addition, an injury may allow bacteria or fungi to gain access to the cornea through the damaged surface, causing infectious keratitis.
There are 5 species of stonefish that can be found in the coastal regions of Indian and Pacific oceans. Some species of stonefish live in the rivers. Stonefish lives close to coral reefs and underwater rocks. It often lies buried in the sand in the shallow water.
Like gizzard shad, threadfin shad are most commonly found in large rivers and reservoirs. Distribution Threadfin shad naturally occur in waters west of the Appalachian Mountains, north to Kentucky, west to East Texas, south to the Rio Grande drainage, and east to Florida.