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 which the fish spits out and turns the eggs in a series of rapid motions. More about this fascinating little fish, including a photo and video of a dad releasing his eggs, is featured in … Read more Photo Friday: Dad
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 wrote together for Ocean Realm magazine was about Yellowhead Jawfish, Opistognathus aurifrons (a scanned copy of the 1995 article is available here.) We wrote an article about jawfishes in the … Read more Hatching Jawfish!