Barlow’s Apistogramma

Apistogramma barlowi

Barlow’s Apistogramma is a middle-to-top swimmer. Best kept as a pair.

Semi-AggressiveMiddle to top swimmerBest kept as a pairIntermediate

Save this fish or add it directly to one of your aquariums.

Quick facts

Adult size
≤ 2.6" (≤ 6.5 cm)
Aquarium size
14 US gal (54 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
Care level
Intermediate
Temperament
Semi-Aggressive
Swimming zone
Middle to top swimmer
Temperature
72–84°F (22–29°C)
pH
4.5–7
GH
2–12 dGH
Diet
Omnivore
Lifespan
up to 5 years
Group behavior
Best kept as a pair

Care requirements

Care level: Intermediate.

Lifespan: up to 5 years.

Aquarium size and space needs

Minimum aquarium size: 14 US gal (54 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length. Plan the layout and stocking within that limit.

Water parameters

Suitable water: temperature 22–29 °C, pH 4.5–7, GH 2–12 dGH.

Temperament and compatibility

Barlow’s Apistogramma needs careful companion choice because it can be territorial or semi-aggressive.

Best kept as a pair.

Swimming zone and behavior

This fish uses the middle to upper part of the aquarium, so leave enough open swimming space for movement and feeding. Best kept as a pair.

Feeding

As an omnivore, Barlow’s Apistogramma should receive a varied diet rather than one repeated food type.

Before adding this fish

  • Plan for an aquarium of 14 US gal (54 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length.
  • Make room for its social group.
  • Choose other fish carefully around this temperament.
  • Best kept as a pair.
  • Offer a varied diet that matches this species.

Natural habitat and origin

Origin: Peru.

Similar fish profiles

Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.

FAQ

How large does Barlow’s Apistogramma get?

Barlow’s Apistogramma reaches ≤ 2.6" (≤ 6.5 cm).

What aquarium size does Barlow’s Apistogramma need?

Use an aquarium of at least 14 US gal (54 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length.

Is Barlow’s Apistogramma peaceful?

Barlow’s Apistogramma needs more careful companion choice because the temperament data points toward boundaries, space, or similar-sized fish.

What temperature is suitable for Barlow’s Apistogramma?

Keep it between 22 to 29 °C.

Should Barlow’s Apistogramma be kept alone or in a group?

Barlow’s Apistogramma: Best kept as a pair.

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