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As one of the most iconic varieties of freshwater aquariums, Angelfish are famous in residence aquariums. The no accident castle so loved – castle aesthetically satisfaction and reasonably easy to keep.

You are watching: How to tell the difference between male and female angelfish

Seeing their beauty and variety, it’s understandable that countless aquarists will try to breed them. However here’s the catch – breeding Angelfish is challenging because it’s difficult to determine their sex.

Most times, ns recommend human being to simply let Angelfish pick their own mates, due to the fact that Angelfish favor doing that anyway, and also you just can’t go wrong with this method.

Still, if you’re looking come breed certain Angelfish since of details features, or you merely want to control their breeding process, you’ll need to be able to tell the difference between male and female angelfish.

Unfortunately, also experienced breeders have difficulties telling if an Angelfish is male or female, therefore it could be tricky come breed these fish based on physical characteristics alone.

This, however, go not typical that over there aren’t some differences that can guide you in informing the gender of an Angelfish. If you understand what you’re looking for, it’ll be easier to spot.

In this overview to determining the sex of Angelfish, ns going to discuss the key differences between female and also male Angelfish, for this reason you’ll know what come look for once trying to breed them.

Sexing Angelfish

If ns were to offer a general description of Angelfish, I’d say the their most noticeable qualities are your heightened, flattened-on-the-sides human body and large flowy fins.

One watch at their unusually-shaped bodies and also you can tell appropriate away – these fish are not tiny tank species. They come in various colors and their silvery bodies function black upright stripes.

They’re semi-aggressive fish that execute well in huge community tank if friend choose suitable tank mates because that them.

They’re bound to end up being aggressive in tiny tanks or overstocked tanks and also during breeding time or as soon as caring for their juveniles.

Males space usually the ones displaying indications of aggression and territorial behavior.

Many starting person aquarists may not it is in interested in what gender their fish are, until it becomes necessary for them come breed your fish.

Before I acquire into the details characteristics of each Angelfish gender, a native of advice: Don’t bother trying to determine the sex of juvenile Angelfish, the an difficult task.

Angelfish with reproductive maturity just at around 6 or 7 months of age, as soon as they begin forming pairs.

Once these fish come to be reproductive, differences start come appear, and also a trained eye will have the ability to distinguish in between a female and male Angelfish.

Differences based on Breeding Tube

You’ll probably discover all sorts of tips and also tricks top top the net on sexing Angelfish, yet the many straightforward method to tell which is i m sorry is come look at their reproduction tube.

Based ~ above their breeding tube and general physics traits, here are some clues to spot the difference in between the 2 genders:


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Male and also Female Angelfish – Source: https://www.youtube.com/watch?v=Wns6oVDJJrI


Male Angelfish

Male Angelfish typically have a larger, much more circular body than the female;An enlarged bump on the head is additionally a authorize of a male Angelfish;Forehead area right before their eye is an ext rounded;Male breeding tube is thinner and pointy lot like a pencil tip;More fatty and also robust bodies;Forked ventral fins;Male Angelfish generally grow faster than mrs ones.

Female Angelfish

Female Angelfish don’t have any kind of bumps on your foreheads and feature a more of a ski slope prefer shape;Their bodies room smaller;Frontal fins are smoother;Angular ship line;Breeding tube is more comprehensive and blunt.

Even with these differences, your decision of sex may it is in a fight or miss. Part other aspects that you can look for include their behavior, especially throughout the spawning period.

Differences based on Behavior

Perhaps the many striking difference in between the behavior of female and also male Angelfish is the territorial habits that masculine Angelfish display, i m sorry is much more pronounced during breeding time.

Angelfish can end up being aggressive or territorial versus other male Angelfish or males of other species. Female Angelfish normally only end up being territorial or perhaps aggressive once protecting she juveniles.

Because the their possibly aggressive behavior, you need to be careful in picking tankmates for your Angelfish. You need to avoid aggressive species, or species that nip in ~ the fin of other fish.

Good tankmates because that Angelfish encompass mollies, corydoras, platies, bristlenose plecos, kuhli loaches, and also swordtails.

During breeding time, in attempt to lure a mate, the male Angelfish will certainly fan the end their fins and also slightly shake them. The mrs Angelfish will check out the male and also shake she fins in acceptance.

Differences can additionally be discovered in the way these fish swim – males usually hold their body horizontally indigenous mouth to tail, while females usually host their mouths slightly over the facility of your tails.

Breeding Angelfish

If you’re adamant to pick and match her Angelfish according to specific physical traits, be all set that you might need a few tries until you gain it right.

And even if you gain it right, Angelfish might not constantly be happy through the friend you’ve favored for them. If you let her Angelfish figure out i m sorry mate they want to pick, friend maximize your possibilities of breeding them.

Sometimes it’s impossible to call the difference until you watch them laying eggs and guarding the eggs and also juveniles together.

If you pay attention to her Angelfish, you’ll soon notice if a pair is getting ready because that spawning. They generally stick together, scare away various other fish and they’re preparing the spawning website for laying eggs.

The fish generally pick a site that they’ll take transforms in cleaning. As the eggs of the woman Angelfish with maturity, her abdomen swells, and also she establishes a quick spawning tube.

The female deserve to lay several hundreds of eggs. She lays them row by row, then the masculine fertilizes them. Castle take turns in fanning the eggs and also keeping them clean, removed the ones the haven’t been fertilized or that are dirty.

In a couple of days, the egg hatch and larvae continue to be stuck to the surface through a sticky thread. The takes a week or so because that larvae to turn right into juveniles that can swim and also search because that food.

All this time, Angelfish proceed to treatment for your fry till they end up being independent and solid enough to make it on their own.

This is how things open minded in best conditions, however, there might be cases when because of stress Angelfish might eat your eggs and juveniles.

Therefore, aquarists the are reproduction Angelfish because that commercial purposes, will certainly hatch eggs artificially, and also there room various ways that they have the right to do so, however, in each instance aeration and an extremely clean water space indispensable.

Optimal Tank conditions for reproduction Angelfish

Angelfish are much more inclined to spawn once they’re in a tank through themselves, therefore, avoid keeping them with other Angelfish or in a neighborhood tank.

You likewise need to save the fish in an excellent condition by feeding lock a healthy and also diverse diet that meets their nutritional requirements.

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Water cleanliness is another must-do during this period. Therefore, store doing water changes religiously and carry out a well-planted tank with several shade and hiding places.

In terms of water chemistry, occasionally – if her Angelfish aren’t breeding – you’ll should make adjustments like:

Using deionized or turning back osmosis water if your water is incredibly hard or very alkaline;Avoid excessive temperatures, save temperature in the 72° and 82° F range;Painting the external of bare-bottomed tanks through a matte shade to make the Angelfish pair feel much more at ease;Some couples will call for a extended tank, or a tank painted on the sides as well;Other couples will call for a dither fish;