Shoal Bass | A Freshwater Fish Profile

The Shoal Bass (Micropterus cataractae) is a unique freshwater fish known for its preference for fast-moving rivers and rocky shoals. This guide provides essential details on its characteristics, behavior, and identification, perfect for fish enthusiasts and anglers alike.

Shoal Bass in the wild
Shoal Bass in the wild

Basic Info

  1. Common Name: Shoal Bass 
  2. Scientific Name: Micropterus dolomieu
  3. Group Name: Perciformes (Perch-like fish) 
  4. Average Life Span In The Wild: 10-12 years 
  5. Size: Can grow up to 24 inches (61 cm) 
  6. Weight: Can weigh up to 8 pounds (3.6 kg)

Behavior

Shoal bass are known for their aggressive nature, especially during spawning season. They are solitary fish, often found lurking in shallow, rocky areas near cover. They are carnivorous, feeding on smaller fish, crayfish, and insects. Shoal bass are active predators, using their sharp teeth and powerful jaws to ambush their prey.

How to Identify

Identifying a Shoal Bass can be straightforward if you know what to look for. This species is often confused with other black bass species, such as Largemouth and Smallmouth Bass, but there are key characteristics that set Shoal Bass apart.The Shoal Bass has a robust, elongated body with a greenish-brown to bronze coloration. One of the most distinctive features is the dark vertical bars or blotches along its sides, which are more pronounced than those on other bass species. These bars often appear broken or irregular, especially towards the belly.Another distinguishing feature is the tail fin, which is slightly forked and edged with white. The Shoal Bass also has a large mouth that extends to the middle of the eye. Unlike the Smallmouth Bass, the upper jaw of the Shoal Bass does not extend beyond the eye.The dorsal fin of the Shoal Bass is also worth noting. It is connected, with a spiny front portion followed by a softer, more flexible rear portion. This fin is typically marked with dark spots, adding to the fish’s distinctive appearance.

Some pictures of Shoal Bass

Shoal Bass in the wild