Manfish vs Discus: Angelfish vs Discus, Which Cichlid Should You Start With?

If you're choosing between angelfish vs discus, start with angelfish. Ikan manfish (angelfish) are hardier, cheaper, tolerate a wider temperature range (roughly 24–30°C) and cope with normal weekly water changes. Discus (ikan discus) need warmer water (about 28–31°C), very clean water with frequent large water changes, and a bigger budget. The good news for Malaysians: our warm rooms suit both, so you rarely need a heater for angelfish and often only a small one for discus. Keep angelfish for a year, learn your water, then step up to discus if you're ready for the extra work.

Angelfish vs Discus: Comparison Table

Factor	Angelfish (ikan manfish)	Discus (ikan discus)
Scientific name	Pterophyllum scalare	Symphysodon spp.
Adult size	~15 cm long, up to 20–25 cm tall with fins	~15–20 cm across
Temperature	~24–30°C	~28–31°C
pH	~6–7.5	~5.5–7
Water changes	20–30% weekly	30–50% several times a week (or daily for juveniles)
Minimum tank	3 kaki (~155 L) for a small group	3–4 kaki (155–270 L) for 5–6 fish
Tank shape	Tall preferred	Tall and long
Group	Pair or group of 5+	Group of 5–6+
Temperament	Semi-aggressive, may eat small fish	Shy, peaceful, easily stressed
Diet	Flakes, pellets, frozen	High-protein; beefheart, bloodworm, quality pellets
Difficulty	Beginner to intermediate	Intermediate to advanced
Price	Lower	Higher

Difficulty: Why Discus Are Harder

Discus are sometimes called the "king of the aquarium" because they're beautiful and demanding.

• Water quality: discus are very sensitive to nitrate and dissolved waste. Breeders often change large amounts of water very frequently.
• Feeding: they need protein-rich food several times a day, especially juveniles. That means more waste and more water changes.
• Stress: discus are shy. Loud rooms, aggressive tankmates and sudden changes make them hide, darken and stop eating.
• Disease: stressed discus are more prone to parasites and bacterial problems.

Angelfish are forgiving by comparison. A cycled tank, steady weekly water changes and good food are enough for most.

Temperature in Malaysia

This is one place where Malaysian keepers have an advantage. Rooms at 26–31°C fit angelfish without any heater. Discus prefer the warm end, around 28–31°C, which many non-aircond rooms already reach during the day. You may still want a heater for discus to stop the temperature dropping at night or in an air-conditioned room. Find options under aquarium heaters.

Warm water holds less oxygen, so give both species good aeration from a pam udara or surface agitation.

Water Changes: The Practical Question

Ask yourself honestly how often you'll do water changes.

• Angelfish: 20–30% once a week is typical.
• Discus: many keepers change 30–50% two or three times a week, and juveniles grow best with daily changes.

With Malaysian tap water, that means a lot of anti klorin and temperature-matched water. Some discus keepers set up a storage tank or drum to age and heat water. Read how to change aquarium water and the anti klorin guide for routines that work.

Much of Malaysia's tap water is soft, which suits both species. Test pH, GH and KH so you know where you stand.

Can You Keep Discus and Angelfish Together?

Yes, it can work, and many people try it, but there are risks:

• Temperature: you'll need to keep it at 28–30°C, which is warm but fine for angelfish.
• Feeding: angelfish are bolder and faster, so they may eat most of the food while discus hang back.
• Aggression: adult angelfish can bully discus, especially when pairing and breeding.
• Disease: angelfish may carry parasites that discus are more sensitive to. Quarantine new fish; see the quarantine tank guide.

If you do combine them, buy both as young fish of similar size, use a large tall tank (4 kaki or more), and watch closely. Many experienced keepers still prefer a discus-only tank.

Budget

We won't quote fixed RM prices since they vary by strain and size, but in general:

• Angelfish are affordable. Common strains (silver, marble, koi, platinum) cost less; rare strains and wild types cost more.
• Discus cost significantly more per fish, and price rises sharply with size, colour strain (pigeon blood, red melon, blue diamond and others) and breeder quality.
• Running costs are higher for discus: more food, more water conditioner and often a heater.

Ask sellers whether fish are locally bred or imported, and compare listings by size and strain.

Which Should You Start With?

Start with angelfish if you're new to cichlids, can commit to weekly water changes, and want an impressive centrepiece fish without a big budget.

Go for discus if you've kept fish successfully for a while, have time for frequent water changes, and can give them a calm, dedicated tank.

Full care details are in our angelfish care guide and discus care guide.

Browse angelfish and discus from Malaysian sellers on FishyHub. Check each listing for fish size, real photos, seller location and delivery or self-collect options, and pick up water test kits before your fish arrive.

Frequently Asked Questions

Ikan manfish dan discus boleh campur?

Boleh, tetapi berisiko. Kedua-duanya perlukan suhu sekitar 28–30°C jika dicampur. Manfish lebih agresif dan cepat makan, jadi discus mungkin tidak dapat cukup makanan. Beli kedua-duanya semasa kecil dan guna akuarium besar.

Ikan discus perlu heater di Malaysia?

Tidak semestinya. Suhu bilik di Malaysia selalunya sudah 28°C atau lebih pada siang hari. Heater berguna untuk mengelakkan suhu jatuh pada waktu malam atau dalam bilik beraircond.

Are angelfish good for beginners?

Yes, they're one of the better first cichlids. Just avoid keeping them with very small fish like neon tetras, which adult angelfish may eat.

Why are discus so expensive?

They take longer to raise, need lots of water changes and high-protein food, and show-quality colour strains take careful breeding.

How big a tank do I need for discus?

A 3–4 kaki tank for a group of 5–6 adults. Discus are social and do better in groups than alone.