Hapalogenys or Barbeled grunters are the only genus of fish
Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...

 in the family Hapalogenyidae. The species of this genus are found in depths between 30 and 230 m in coastal areas and river mouths from the shores of Southern Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 to the Bay of Bengal
Bay of Bengal
The Bay of Bengal , the largest bay in the world, forms the northeastern part of the Indian Ocean. It resembles a triangle in shape, and is bordered mostly by the Eastern Coast of India, southern coast of Bangladesh and Sri Lanka to the west and Burma and the Andaman and Nicobar Islands to the...

 and Northwestern Australia.

Recent studies have shown that they are closely related to the Lobotidae genus.


  • Hapalogenys analis Richardson, 1845
  • Hapalogenys kishinouyei Smith & Pope, 1906
  • Hapalogenys merguiensis Iwatsuki, Satapoomin & Amaoka, 2000
  • Hapalogenys mucronatus Eydoux & Souleyet, 1850
  • Hapalogenys nigripinnis Temminck & Schlegel, 1843
  • Hapalogenys nitens Richardson, 1844

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