Soldier fish if some sort Okinawa, Japan
(EN) Intermediate Cardinalfish - (FR) Apogon intermédiaire
Cheilodipterus intermedius incubating eggs, Panglao, Philippines
Cardinalfishes are mouthbrooders, meaning that they keep their eggs in their mouth until they hatch
Vanderhorstia sp., a prawn associated goby, here at the entrance of the burrow it shares with the crustacean.