Sphoeroides angusticeps
Sphoeroides angusticeps, also known as the narrow-headed puffer, concave puffer, and skin-flap puffer, is a species of pufferfish in the family Tetraodontidae. It is a tropical marine species endemic to the Galapagos Islands, where it occurs at a depth range of about. It reaches in total length. The species is thought to be diurnal, hovering just above the substrate by day and burying itself at night.