Blue-spotted jawfish

The Blue-spotted jawfish lives in the demersal, marine, depth range 20 - 100 m environment.

The blue-spotted jawfish (Opistognathus rosenblatti) is a beautiful and behaviorally interesting fish that can make an excellent aquarium inhabitant if the aquarist focuses on some basic husbandry practices. More

Sign In or Sign Up now! I have 3 Blue-spotted Jawfish in my 95 gallon tank. I'm not sure if they're males, females, or a mix. They tolerate each other, but snap at each other often. I have 3 Blue-spotted Jawfish in my 95 gallon tank. More

Blue-Spotted Jawfish sticking his head out of his burrow. A layer of 5 to 8 inches (13 to 20 cm) of gravel should be provided for these little architect/engineer/construction workers. More

My blue-spotted Jawfish in one of my tanks has been fine for months but recently I have noticed he/she is developing white patches or spots along its body. More

The Blue-Spotted Jawfish, Opistognathus rosenblatti Allen & Robertson 1991, of Mexico's Sea of Cortez (Gulf of California in older, less PC texts) is a real striker, with brilliant blue dots over it's overall dark brownish body. More

Common names

Blue-spotted jawfish in English
Castelnau's jawfish in English
Wani-amadai in Japanese (日本語)
卡氏后颌鰧 in Mandarin Chinese
卡氏后颔鰧 in Mandarin Chinese
卡氏後頜鰧 in Mandarin Chinese
卡氏後頷鰧 in Mandarin Chinese

Order : Perciformes
Family : Opistognathidae
Genus : Opistognathus
Species : Opistognathus castelnaui
Authority : Bleeker, 1860