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Eucinostomus gula, commonly known as the silver Jenny or silver Jenny mojarra, is a species of fish belonging to the family Gerreidae. Here are some key features and information about Eucinostomus gula:

1. Physical Characteristics: The silver Jenny mojarra has a slender, elongated body with a slightly flattened shape. They typically have a silvery coloration, which is where their common name “silver Jenny” originates. The body may have a slight bluish or greenish tint, especially on the upper parts.
2. Size: They generally grow to about 20-30 centimeters (8-12 inches) in length, although larger specimens have been recorded.
3. Distribution: Eucinostomus gula is found in coastal waters of the western Atlantic Ocean, ranging from North Carolina in the United States, through the Gulf of Mexico and Caribbean Sea, down to Brazil in South America. They inhabit shallow coastal waters, estuaries, and sometimes brackish water environments.
4. Habitat: Silver Jenny mojarras are typically found near sandy or muddy bottoms, often in areas with seagrass beds, mangroves, or rocky shorelines. They prefer areas with moderate currents and where there is sufficient food availability.