Passer Angelfish (Holacanthus passer)
Holacanthus passer, commonly known as the Passer Angelfish, is a commanding and highly sought-after large angelfish distinguished by its bold coloration, dominant presence, and unmistakable attitude. This species features a deep midnight-blue to near-black body contrasted by a vivid vertical white bar behind the head, paired with electric blue highlights along the fins and face. Mature specimens develop an even more intense contrast and presence, making them a true centerpiece in large marine systems.
Native to the Eastern Pacific, particularly along the coasts of Mexico and Central America, the Passer Angelfish is a high-energy, territorial species that thrives in expansive aquariums with substantial rockwork. Its intelligence, responsiveness, and assertive behavior make it a standout in well-established marine setups.
| Specifications |
|---|
| Scientific Name: Holacanthus passer |
| Common Name: Passer Angelfish |
| Origin: Eastern Pacific (Mexico, Central America) |
| Size (adult): Up to 12 inches |
| Water Temperature: 75–82°F |
| Water pH: 8.1–8.4 |
| Water Hardness: 8–12 dGH |
| Compatibility: Best with large, established tanks; avoid small or shy species |
FAQ
What is the typical size of a Passer Angelfish when mature?
A mature Passer Angelfish can grow up to 12 inches in length.
What kind of tank environment does the Passer Angelfish require?
It thrives in large marine aquariums with substantial rockwork and ample space to establish territory.
Is the Passer Angelfish suitable for beginner aquarists?
Please contact customer service

Gordon Welch –
The Passer Angelfish is a striking addition to my 120-gallon tank. Its vivid blue and white markings stand out beautifully. It’s active and territorial, so I made sure to provide plenty of rock structures. After a few months, it’s fully settled and looks more vibrant than expected.
Ryan Baker –
I was impressed by how fast it adapted to the tank. The white bar behind the head and electric blue fins are very noticeable. It’s not a quiet fish—definitely needs space and a large setup. I recommend it for experienced marine keepers.
Amanda White –
This angelfish has become the centerpiece of my reef tank. The coloration is intense and the behavior is bold, which is exactly what I wanted. I’ve had it for six months and it’s still active and healthy.