Rock Beauty Angelfish – Facts | Description | Reef Safe | Diet

Rock Beauty Angelfish

The Rock Beauty Angelfish, scientific name Holacanthus tricolor is a species of marine angelfish of the household Pomacanthidae. Other frequent names embody corn sugar, coshubba, rock beasty, catalineta, and yellow nanny. In this article, I am going to talk about Rock Beauty Angelfish reef safe, facts, description, reproduction, and diet.

Rock Beauty Angelfish profile

The Rock Beauty Angelfish has a body that’s predominately black particularly on the back half, as an adult. The head and entrance half portion of the body and the caudal fin is a vibrant yellow. The eyes have placing sapphire-blue accents.

Similar in look, the juvenile initially has a predominately yellow body with a big caudal black spot that simply appears to enlarge, overwhelming the yellow coloration except for the top, body space simply behind the top, and the caudal fin.

The Rock Beauty Angelfish is troublesome to maintain in a house aquarium due to its dietary requirement of sponges. The weight-reduction plan within the aquarium ought to embody vegetable matter resembling marine algae and Spirulina, finely chopped meaty objects, and high-quality angelfish preparations containing sponges.

The Rock Beauty Angelfish, Holocanthus tricolor, shows a contrasting body color of a vibrant yellow head and tail with a black back half and distinctive yellow/orange outlines on the fins and electrics blue accents within the eyes.

Some adults even have black lips. Like many giant Angelfish, their look will change dramatically from the juvenile to adult stage. Due to aggression in direction of different Angelfish, they’re finest stored singly however will do nicely with different bigger fish.

Rock Beauty Angelfish Description

The adult Rock Beauty Angelfish is generally yellow, turning blue towards the tail. The tail itself is yellow. The pectoral fins and ventral fins are yellow, and the lips and the perimeters of their dorsal fins and anal fins are darkish blues. The grownup measures as much as 10 inches (25 cm).

The Rock Beauty Angelfish Holacanthus tricolor is a really good-looking fish and simply distinguished from different angels. This eye-catching magnificence has a black body contrasted with a vibrant yellow head and tailfin, and a particular yellow defines its fins.

Some adults even have black lips! It is without doubt one of the smaller of the Holacanthus genus, sometimes reaching solely about 8 – 10 inches (20 – 25 cm) in size. In truth, it’s the smallest angelfish within the Atlantic Ocean aside from dwarf angelfish species, and the most typical.

The lovable juveniles are all yellow, however with a black spot trimmed in vibrant blue on the higher back. This spot is probably going imitating the equally colored eye, which helps to confuse predators. As they mature the black spot expands till it covers a lot of the body.

The coloring of those juveniles is similar to the Threespot Damselfish Stegastes planifrons, which happens throughout the identical vary. However, the damsel has a more elongated body whereas the angelfish is rounder, and the angel lacks one other small spot on the top of the caudal fin base.

Rock Beauty Angelfish

Rock Beauty Angelfish Diet

The Rock Beauty Angelfish feeds totally on sponges. It may additionally eat tunicates, jellyfish, and corals, in addition to plankton and algae. In-home aquaria, keepers have had restricted success with diets of meat- and algae-based fish meals. The fish requires sponges to outlive.


The fish inhabits reefs from the tropical western Atlantic Ocean to the northern Gulf of Mexico. It will be discovered at depths between three and 92 meters (9.8 and 301.8 ft).

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Rock Beauty Angelfish Reproduction

The adults keep in pairs year-round, maybe suggesting a long-term monogamous bond. The pairs reproduce by rising up within the water, bringing their bellies shut collectively, and releasing clouds of sperm and eggs.

The feminine produces 25,000 to 75,000 eggs per day, and as much as ten million eggs throughout every spawning cycle.

The eggs are clear, buoyant, and pelagic, floating within the water column. They hatch after 15 to 20 hours into larvae that lack efficient eyes, fins, or perhaps a gut.

The large yolk sac is absorbed after 48 hours, throughout which era the larvae start to develop regular traits of free-swimming juveniles.

They feed on plankton for three to four weeks, reaching 1.5 to 2 centimeters (0.59 to 0.79 in) in size after which choose the underside as juveniles. Learn more about flame tail blenny.

They aren’t reef secure, as they’ll nip at delicate and stony polyp corals, sessile invertebrates, and clam mantles. Diet ought to embody a wide range of spirulina, marine algae, high-quality angelfish preparations, mysis, and brine shrimp, three instances day by day.

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