Horstock's Reed Frog

About the Horstock's Reed Frog

The arum frog, arum lily reed frog, Horstock's arum-frog, arum lily frog, or Horstock's reed frog (Hyperolius horstockii) is a species of frog in the family Hyperoliidae. It is endemic to South Africa. Adults grow to 40 mm in length. They have bright orange feet and can change their colour to camouflage themselves.

The top of the body is cream to brown, sometimes with small black spots. A distinctive, pale, dorsolateral line runs from the snout along the flanks, with a dark-brown lateral band underneath. A fine, dark line usually separates the pale line from the brown band. The concealed surfaces of limbs, webbing, and discs are orange to red. Underneath, the frog is creamy white and slightly granular. The gular flap in males is bright ochre. their pupils are horizontal.

Tadpoles reach 40 mm. They are brown with longitudinal, darker bands on their tails. The arum frog is found in the southern coastal plain of South Africa from Cape Town in the Western Cape to Port Elizabeth in the Eastern Cape.

Its natural habitats are Mediterranean-type shrubby vegetation, rivers, swamps, intermittent freshwater lakes, freshwater marshes, intermittent... Wikipedia →