Agonopsis

Agonopsis is a genus of marine ray-finned fish belonging to the family Agonidae, commonly known as poachers. These fish are found in the northern Pacific Ocean, primarily along the coasts of North America and Asia. They are typically small to medium in size, ranging from a few centimeters to around 30 cm in length.

Snailfish – Agonopsis chiloensis

Common Names

The members of the genus Agonopsis are commonly referred to as "poachers," a name shared with other members of the Agonidae family. Some species within this genus have specific common names, such as the "fantail poacher" (Agonopsis vulsa) and the "spotted poacher" (Agonopsis alutacea).

Characteristics

Agonopsis species share several characteristic features, including:

  • Elongated, slender bodies with a compressed, somewhat flattened shape.
  • Small, weak mouths with minute teeth.
  • A single dorsal fin, typically divided into two parts, a spiny anterior portion and a soft-rayed posterior portion.
  • Two separate anal fins.
  • A distinctive, bony head with prominent spines and ridges.
  • Scaleless bodies, but often covered with bony plates or tubercles.
  • Generally drab coloration, ranging from brown or gray to reddish or yellowish hues, often with dark spots or patterns.

Environments

Agonopsis fish are typically found in shallow, coastal waters, particularly in areas with rocky substrates or kelp forests. They are often found near the bottom, where they forage for small invertebrates and crustaceans.

References

For further information on Agonopsis and its various species, you can refer to the following reliable online resources: