Pungitius laevis, commonly known as the is a small, freshwater fish found in a variety of habitats across its range. It is a member of the stickleback family (Gasterosteidae), which is characterized by its spiny dorsal fin and pelvic fins.
Description & Characteristics
Pungitius laevis is a relatively small fish, with adults typically reaching a maximum size of 8.0 cm. Its body is elongated and slender, with a slightly compressed head. The fish is usually olive-brown to gray in color, with darker markings along its back and sides. The belly is often lighter in color. Pungitius laevis has a distinctive spiny dorsal fin, which can be raised or lowered. The pelvic fins are also spiny and are located on the underside of the body.
Habitat and Occurrence
Pungitius laevis is primarily found in freshwater habitats, including ponds, lakes, and streams. It is often found in shallow waters with abundant vegetation. This species is a common inhabitant of the near-shore zone of lakes and ponds, particularly those with submerged vegetation. Pungitius laevis is known to tolerate a wide range of water conditions, but it prefers clear, cool water with a moderate amount of dissolved oxygen.
Taxonomy
Pungitius laevis belongs to the Class: Teleostei, Order: Perciformes, and Family: Gasterosteidae. The family Gasterosteidae is diverse, encompassing a variety of stickleback species that share common characteristics like their spiny fins and adaptable nature.
Feeding
Pungitius laevis is an opportunistic feeder, consuming a variety of small invertebrates, including insects, crustaceans, and zooplankton. Their diet is heavily influenced by the availability of food in their immediate environment.
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