I’ve had experience with all four angels in one mixed reef tank & heavy with inverts, had no issues with them. Angels are gorgeous fish & with tons of personality that you will quickly notice, especially on the emperor. The emperor will be the most aggressive of the bunch but nothing to be concerned about. The regal & annularis will be the most reclusive ones & the majestic will probably feel right at home from the get go. A suggestion is to do some thorough reading on all the angels in order to understand their diet needs & environment. These fish will require that you hone in your fish husbandry practices. Their diets do require several feeding & a variety of foods from meaty to sea veggies. One thing for sure, is to provide them with a space that allows them to swim in & around the rock work, some sort of obstacle course that can also give them a sense of security. Good water flow. Water parameters also need to be pristine. Again, these fish are gorgeous & will add tons of life to the tank, when well taken care of, they will show their appreciation. Hopefully it helps & good luck.
Thank you! This is what I have been researching so far.
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Red Sea Regal Angelfish
Tank Conditions:
The tank should be at least 125 Gallons.
Temp should be 72 - 80 Degrees F / PH of 8.1 - 8.4 / SG: 1.020 - 1.025 / Lifespan: 15+ Years / Size: 10" / Cost: $60 - $200 / Reef Safe: With Caution (May nip at corals) (Safer than most Larger Angels)
Behavior:
Regal Angelfish can be bullied by larger and highly aggressive fish if you do plan on putting larger fish than introduce it first and let it claim territory. These are not the hardiest so it is suggested to pick them from the Red Sea, QT is highly suggested with these fish as they do not adapt well. Also, it is suggested not to net these as they can injury their gills. Talking about them with caution in reefs, they might nip at corals but some will not. They will not try to eat inverts, also pairs can be done but solo is suggested.
Tankmates:
They should not be kept with overly aggressive species, stress can shorten their lifespan. Also, do not mix with fast-moving planktivores.
Feeding:
This can be a problem getting them to eat sometimes, enticing them to eat can be done by giving live Ghost Shrimp, or Fresh, or Clam. Once you do get passed this you should be feeding these things like Brine Shrimp, Krill, Mysis, Clams, Nori, Vegetables, Flakes, Pellets, and other things. Live rock should also be there since they do graze it for algae and could help it not starve entirely.
How To Succeed:
1. Buy The Red Sea Variant: They are hardier than their counterparts
2. Find A Juvenile that is about 3 - 4" in size.
3. Do not buy Too skinny or small
4. Make sure it is eating well and has no signs of injury.
5. QT!!!: This is essential for success and should contain hiding places, dimmed lights, and good water quality
6: Having a large selection of food: Also, since they are grazers you can put some food, clip, or put food gel that they might eat off of.
7: When adding provide: Hiding Places, Make sure it is first or there is no aggressive species in the tank before it.
8. When it claims a territory you can start adding more of the Aggressive fish.
9. Watch Your Regal and Enjoy!!!
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Blue Gridled Angelfish / Masjestic Angelfish
Tank Conditions:
The tank should be at least 125 Gallons.
Temp should be 72 - 80 Degrees F / PH of 8.1 - 8.4 / SG: 1.020 - 1.025 / Lifespan: 21+ Years / Cost: $80 - $400 / Reef Safe: With Caution (May nip at coral) (One of the Safer Angels.)
Behavior:
These are usually peaceful towards tankmates but can become aggressive towards other species of angelfish. (This can be avoided by adding them both at the same time as Juves.) They live best solo than in pairs, also provide lots of hiding places and caves for them. Make sure your water is pristine, but after they get eating they are pretty hardy. Again, they must not be netted in the same reason as the Regal, also the same reason why the regal is not fully reef safe.
Tankmates:
They can live with most a lot of fish and should be ok with others Angels but some may be aggressive.
Feeding:
They should be fed food similar to the Regal Angelfish.
How To Succeed:
Just having great parameters can make them thrive!
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I have been researching most of the fish I like the past 3 days and would like to know if I got it all down!
