Claudio Contreras / Redhead goby (Elacatinus punticulatus), Espiritu Santo National Park, Sea of Cortez (Gulf of California), Mexico, February

Claudio Contreras / Redhead Goby (Elacatinus punticulatus), Espiritu Santo National Park, Sea of Cortez (Gulf of California), Mexico, February

Franco Banfi / Redhead goby (Elacatinus puncticulatus) Sea of Cortez, Baja California, Mexico, East Pacific Ocean.

Joel Sartore / Photo Ark / Redhead goby (Elacatinus puncticulatus) portrait, Indianapolis Zoo. Captive, occurs in Eastern Pacific Ocean.

Joel Sartore / Photo Ark / Redhead goby (Elacatinus puncticulatus) portrait, Indianapolis Zoo. Captive, occurs in Eastern Pacific Ocean.

Claudio Contreras / Redhead goby (Elacatinus punticulatus), San Rafaelito Lighthouse Islet, Balandra National Protected Area, near La Paz, Gulf of California (Sea of Cortez), Mexico, September

Claudio Contreras / Redhead goby (Elacatinus punticulatus), Puerto Escondido, Loreto Bay National Park, Gulf of California (Sea of Cortez), Mexico, August