Pink cory
Hoplisoma axelrodi
Also known as Corydoras axelrodi
FreshwaterFish
Care at a glance
- Temperature
- 72–79°F
- 22–26°C
- pH
- 6.0–7.5
- Adult size
- 2 in
- 5 cm
- Minimum tank
- 16 gal
- 60 L
- Temperament
- Peaceful
- Social behavior
- Shoaling
- Swim level
- Bottom
- Diet
- Omnivore
- Difficulty
- Easy
- Breeding
- Hard
- Rarity
- Rare
- Family
- Callichthyidae
- Origin
- Colombia
Overview
The pink cory is a hardy, undemanding shoaler for the bottom of a calm community tank. It is easy to keep.
Did you know
The pink cory is named for Herbert Axelrod, the ichthyologist and prolific aquarium author and publisher. His wife is honored too, on another fish in this group: Evelyn's cory, Corydoras evelynae.
Caring for the pink cory
Keep pink cories in a group of at least six, in a tank of at least 16 gal (60 L). Give them a soft sand bed to work over, with driftwood, dried leaves and shaded planting.
Keep the water clean and gently filtered, at 72 to 79°F (22 to 26°C) and a pH of 6.0 to 7.5. Regular water changes keep them in good condition.
Feed sinking pellets, frozen bloodworm and daphnia, and a little algae wafer. Make sure the food reaches the floor, since they sift the sandy bottom with their barbels through the day.
Pink cories are peaceful and pair nicely with small, calm community fish. Despite their easygoing reputation, they are rated difficult to spawn. They respond best to soft, clean water and well-conditioned adults.
Good to know
The pink cory, Hoplisoma axelrodi, is a small armored catfish of the family Callichthyidae. It has a pale, faintly pink body crossed by a dark lateral stripe.
In the wild
The pink cory lives in the Meta River basin of Colombia, over sand in soft, warm, gently flowing water.
Weekly picks
Tank mates
The pink cory is a peaceful, shoaling species that keeps to the bottom. These picks share a community profile with it, are safe together in both directions, and overlap on water type, temperature and pH.

Neocaridina shrimp
Neocaridina davidi
Freshwater1.6 in (4 cm) · 5 gal (19 L)59–84°F (15–29°C)
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)
African oneline tetra
Nannaethiops unitaeniatus
Freshwater2.6 in (6.5 cm) · 16 gal (60 L)72–79°F (22–26°C)
Spotted splash tetra
Copella nattereri
Freshwater2 in (5 cm) · 16 gal (60 L)75–82°F (24–28°C)
White spotted rabbit snail
Tylomelania towutica
Freshwater4.3 in (11 cm) · 16 gal (60 L)75–84°F (24–29°C)
Common questions
What size tank does a pink cory need?
A pink cory needs at least 16 gal (60 L). It spends most of its time in the bottom.
What temperature and pH does a pink cory need?
A pink cory is comfortable at 72–79°F (22–26°C) with a pH of 6.0–7.5.
What does a pink cory eat?
A pink cory eats sinking pellets, frozen bloodworm and daphnia, and a little algae wafer. The food needs to reach the floor, where it sifts the sand with its barbels.
How big does a pink cory get?
An adult pink cory reaches about 2 in (5 cm).
Does a pink cory need a group?
Yes. A pink cory is a shoaling species and should be kept in a group, not singly.
How does a pink cory breed?
Pink cories are rated difficult to spawn, despite their easygoing reputation. They respond best to soft, clean water and well-conditioned adults.
Related species
2 in (5 cm)15 gal (55 L)70–79°F (21–26°C)Blackstripe cory
Hoplisoma bondi
2 in (5 cm) · 15 gal (55 L)
2 in (5 cm)16 gal (60 L)70–75°F (21–24°C)Dirty bandit cory
Hoplisoma loxozonum
2 in (5 cm) · 16 gal (60 L)
2 in (5 cm)20 gal (75 L)72–79°F (22–26°C)Duplicate cory
Hoplisoma duplicareum
2 in (5 cm) · 20 gal (75 L)
2 in (5 cm)16 gal (60 L)66–77°F (19–25°C)Ehrhardt's cory
Hoplisoma ehrhardti
2 in (5 cm) · 16 gal (60 L)
2 in (5 cm)16 gal (60 L)70–81°F (21–27°C)Fairy cory
Hoplisoma atropersonatum
2 in (5 cm) · 16 gal (60 L)
2 in (5 cm)16 gal (60 L)72–79°F (22–26°C)False bandit cory
Hoplisoma melini
2 in (5 cm) · 16 gal (60 L)
