Photo Friday: Dad

Male Yellowhead Jawfish churns its eggs to aerate them

This week’s Photo Friday topic is Dad. The Yellowhead Jawfish male incubates a ball of fertilized eggs in his mouth for 5 to 7 days before releasing the hatching larvae. In this photo, the fish is aerating the eggs in a process called churning, in [...]

Hatching Jawfish!

Yellowhead jawfish eggs hatching

Bonaire, 2009 – A jawfish releasing its eggs – we finally got the shot – and it only took fifteen years! We fell in love with jawfish back in 1995 when we were working on the Reef Fish Behavior book. In fact, the first magazine article that Ned and I [...]