Swallowtail Angelfish: Fish Species Profile

Origin and Distribution

This angelfish species is discovered round Fiji, Indonesia, and Vanuatu islands within the Pacific Ocean. This species inhabits reasonable to deep waters on steep slopes. A single male is normally seen with a number of females. 

Colours and Markings

The swallowtail angelfish can be referred to as a blackspot angelfish due to the black spot positioned on the male’s breast. The feminine is yellow dorsally and lightweight blue ventrally. The caudal fin is marine-blue highlighted by a darkish, blue-black edging on the highest and backside. The male is marked with a sequence of vertical purple stripes protecting your entire pale-colored physique. The tail of the male is forked and is yellow with blue edges. 

Swallowtails have small mouths lined with three or 4 rows of small bristle-like tooth, typically with ideas which have three factors. Their tooth are shorter than the remainder of the members of the Pomacanthidae household, clearly a mirrored image of their feeding ways of selecting prey out of the water column versus eradicating algae from coral’s encrusting rubble.

Tankmates

Swallowtails won’t assault the overwhelming majority of fish, as they’re relatively peaceable themselves, however might chase after small peaceable planktivores like Anthias fish.

Watch out to not combine swallowtail angelfish with fish which can be outwardly aggressive. They might be dominated by bigger aggressors. Such aggressive fish embody triggerfish, giant angelfish, and most surgeonfish.

Males will combat with males from their species, different Genicanthus genus males, and people fish which have related coloration. To keep away from issues, hold this fish alone, as a mated pair, or as a small group of females with one male in a bigger aquarium.

Very best tankmates embody clownfish, blennies, gobies, chromis, butterflyfish, small lionfish, and eels.

Swallowtail Angelfish Habitat and Care

Within the aquarium commerce, the swallowtail angelfish is taken into account fragile and due to this fact troublesome to ship. However, if you could find a wholesome specimen, it’ll settle into aquarium life relatively rapidly. 

Due to its dimension and fixed roaming nature, the minimal aquarium dimension recommended for this fish is not less than 125 gallons. You must supply numerous hiding locations. This sort of angelfish makes an excellent reef dweller that won’t nip at stony and gentle corals (sessile invertebrates). 

Present areas of sturdy water motion within the aquarium throughout the day. Use pumps on timers that may be turned off after 8 to 10 hours. Nicely-oxygenated water is perfect. Lids are crucial as this fish might try to leap out of open aquariums.

Swallowtail Angelfish Food regimen and Feeding

Naturally a planktivore, that is an angelfish that usually dines on diatom and filamentous algae in aquariums. It ought to be fed a diversified weight-reduction plan of meaty fares, corresponding to finely chopped contemporary shrimp and frozen silversides, frozen brine and mysis shrimp, and marine algae-based meals corresponding to dried seaweed (nori), enriched flake meals, or pellets containing spirulina which can be suitably sized for angelfish.

This fish will gulp meals from the water’s floor and should swallow air on the similar time. It’s not uncommon for the fish to turn out to be bloated, leading to it showing to be struggling whereas swimming head down. However don’t fret, it removes this trapped air by expelling bubbles from its mouth and anus. In different phrases, it burps and farts. Feeding sinking meals will assist forestall it from ingesting air on the floor.

Gender Variations

That is one of some angelfishes that may simply be recognized as male or feminine, due to their distinct variations in look (referred to as sexual dimorphism).

The male is marked with skinny, darkish vertical bands that cowl the physique from the pinnacle to the place the dorsal and anal fins finish. It has a yellow band on the base of the tail.

The feminine is blue, fading from darker on the head to lighter close to the tail. The dorsal fin is usually yellow, fading into the midsection of the physique. The white tail is printed in black. 

This species of fish is named a protogynous hermaphrodite, which suggests it’s a feminine when it hatches. Then, if there isn’t any dominant male presence within the quick surroundings, the dominant feminine of the native group will spontaneously turn out to be a male. Swallowtail angelfish reportedly take as much as 30 days to finish this intercourse change.

Breeding the Swallowtail Angelfish

Males entice females to mate with a number of completely different actions or fin gestures. Swallowtail angelfish males roll onto their sides or backs in entrance of females, or place themselves instantly in entrance of the feminine and tremble or quiver their caudal fin. If the male is profitable in his preliminary makes an attempt to lure a feminine, he continues the mating ritual.

Whereas positioned alongside the feminine, the male’s complete physique will vibrate or quiver excitedly. The feminine will then lengthen all of her fins as an indication of encouragement. After a number of seconds of the male nuzzling his head close to the rear of the feminine, the pair will roll onto their sides and launch their eggs and sperm. 

Extra Pet Fish Species and Additional Analysis

If swallowtail angelfish enchantment to you, and you have an interest in some appropriate fish in your aquarium, learn up on:

• Blennies
• Gobies
• Chromis

Try further fish breed profiles for extra data on different saltwater fish.