Cupid cichlid
Biotodoma cupido
FreshwaterFish
Care at a glance
- Temperature
- 68–86°F
- 20–30°C
- pH
- 5.5–7.0
- Adult size
- 4.7 in
- 12 cm
- Minimum tank
- 53 gal
- 200 L
- Temperament
- Peaceful
- Social behavior
- Shoaling
- Swim level
- Middle
- Difficulty
- Difficult
- Breeding
- Substrate spawner · Hard
- Rarity
- Rare
- Family
- Cichlidae
- Origin
- Peru, Bolivia, Guyana, Brazil
Overview
The cupid cichlid is a peaceful, group-living eartheater for a tank with plenty of open sand. It is best left to experienced keepers.
Did you know
The cupid cichlid is marked by a dark spot high on the flank, below the dorsal fin. A diagonal stripe also runs through its eye.
Caring for the cupid cichlid
Keep cupid cichlids in a group of at least five or six, and let them sort out a loose pecking order. Give the group at least 53 gal (200 L), with open sand, some driftwood, leaf litter, a little shade and a gentle current. That gives a group the space it needs to feel secure and forage.
A soft, fine sandy floor is essential, since the cupid cichlid sifts small food items out of the sand. Soft sand protects its delicate mouth and gills, so it is far better than gravel.
The cupid cichlid is a sensitive fish that needs clean, stable water. Keep the water soft to moderately soft, at 68 to 86°F (20 to 30°C) and a pH of 5.5 to 7.0. Feed small sinking foods with frozen and live items such as brine shrimp, daphnia and bloodworm. It is peaceful and needs calm tank mates, such as tetras, pencilfish, hatchetfish and other gentle Amazonian species.
Cupid cichlids are bi-parental substrate spawners that lay around a hundred eggs on a cleaned flat rock or firm surface. The female then tends the clutch while the male patrols the territory around it. Breeding is challenging, since the fish are fussy about water quality and pairs do not always raise their first spawns.
Good to know
The cupid cichlid, Biotodoma cupido, belongs to the cichlid family, Cichlidae. It is one of the eartheaters, a group that feeds by taking sand into the mouth and sieving out edible morsels through the gills.
In the wild
The cupid cichlid is found across the Amazon basin through Peru, Bolivia, Guyana and Brazil. It lives over sand and leaf litter in slow river margins, flooded areas and sheltered backwaters. Depending on locality, the water ranges from soft, acidic blackwater to slightly harder clearwater, but it is always warm and gently flowing.
Weekly picks
Tank mates
The cupid cichlid is a peaceful, shoaling species that keeps to the middle. These picks share a community profile with it, are safe together in both directions, and overlap on water type, temperature and pH.

Guppy
Poecilia reticulata
FreshwaterBrackish2.4 in (6 cm) · 10 gal (38 L)64–82°F (18–28°C)
Neon tetra
Paracheirodon innesi
Freshwater1.5 in (3.8 cm) · 11 gal (40 L)70–77°F (21–25°C)
Yoyo loach
Botia almorhae
Freshwater6.3 in (16 cm) · 42 gal (160 L)66–81°F (19–27°C)
Striped woodcat
Trachelyopterichthys taeniatus
Freshwater5.9 in (15 cm) · 53 gal (200 L)73–82°F (23–28°C)
Largescale four-eyed fish
Anableps anableps
FreshwaterBrackish11.8 in (30 cm) · 70 gal (265 L)77–88°F (25–31°C)
Hancock's talking catfish
Platydoras hancockii
Freshwater5.9 in (15 cm) · 53 gal (200 L)73–82°F (23–28°C)
Common questions
What size tank does a cupid cichlid need?
A cupid cichlid needs at least 53 gal (200 L). It spends most of its time in the middle.
What temperature and pH does a cupid cichlid need?
A cupid cichlid is comfortable at 68–86°F (20–30°C) with a pH of 5.5–7.0.
What does a cupid cichlid eat?
A cupid cichlid eats small sinking foods with frozen and live items such as brine shrimp, daphnia and bloodworm. It also sifts small food items out of the sand.
How big does a cupid cichlid get?
An adult cupid cichlid reaches about 4.7 in (12 cm).
Does a cupid cichlid need a group?
Yes. A cupid cichlid is a shoaling species and should be kept in a group, not singly.
How does a cupid cichlid breed?
Cupid cichlids are bi-parental substrate spawners that lay around a hundred eggs on a cleaned flat rock. The female tends the clutch while the male patrols, and breeding them is challenging.
Related species
4.7 in (12 cm)66 gal (250 L)77–84°F (25–29°C)Orinoco cupid cichlid
Biotodoma wavrini
4.7 in (12 cm) · 66 gal (250 L)
4.3 in (11 cm)25 gal (95 L)70–82°F (21–28°C)Keyhole cichlid
Cleithracara maronii
4.3 in (11 cm) · 25 gal (95 L)
3.9 in (10 cm)20 gal (75 L)75–81°F (24–27°C)Kribensis
Pelvicachromis pulcher
3.9 in (10 cm) · 20 gal (75 L)
3.9 in (10 cm)55 gal (210 L)68–82°F (20–28°C)Orange chromide
Etroplus maculatus
3.9 in (10 cm) · 55 gal (210 L)
5.9 in (15 cm)65 gal (245 L)81–88°F (27–31°C)Blue diamond discus
Symphysodon tarzoo
5.9 in (15 cm) · 65 gal (245 L)
5.9 in (15 cm)65 gal (245 L)79–90°F (26–32°C)Discus
Symphysodon aequifasciatus
5.9 in (15 cm) · 65 gal (245 L)
