Aphaniidae

Scaleless killifish

Kosswigichthys asquamatus

Only approaches shore to spawn in early summer

• Temperate
• Local endemic species
• Single-lake endemic
• Freshwater fish
• West Asia
• Small
• Temperate fish

The scaleless killifish or Hazar toothcarp (Kosswigichthys asquamatus) is a species of freshwater fish in the family Aphaniidae. It is the only species in its genus, and is endemic to Lake Hazar in Turkey. It is a pelagic species that comes to shore in spring–early summer to spawn.