Barlow's Apistogramma - Apistogramma Barlowi Fish Profile & Care Guide
Introduction
Barlow's Apistogramma (Apistogramma barlowi) is a distinctive species of Dwarf Cichlid indigenous to northern Peru. This species is celebrated for its vivid colouration and intricate social behaviours, making it a fascinating subject for aquarists. Their specific requirements and striking appearance make them both a challenge and a delight to maintain in a well-structured aquarium setting. Barlow's Apistogrammas are ideal for both community and species-specific aquariums. However, it's important to note their territorial behaviour during the breeding season.
For smaller tanks, housing a single pair of Barlow's Apistogrammas is advisable to maintain peace. In larger setups, one can experience the dynamic of a harem by keeping one male with several females, ensuring ample visual barriers are in place to establish individual territories. In terms of tankmates, the possibilities are vast. Barbs, Danios, Tetras, Guppies, and other Livebearers can coexist with Barlow'sBarlow's Apistogrammas, complemented by the elegance of Dwarf Cichlids, smaller Gouramis, Catfish, and Loaches. However, in smaller tanks, avoiding larger, more aggressive species and avoiding mixing different Apistogramma species to preserve tranquillity is prudent.
Setting up the aquarium for these fish involves a flexible approach. Opt to enhance their environment with artificial structures such as ceramic flowerpots and plastic piping, natural elements like a soft sandy substrate, strategically placed branches, and wood roots, creating a labyrinth of hideouts. Incorporating dried leaves can further authenticate their habitat, fostering beneficial microbial colonies. Lighting should be thoughtfully balanced to mimic their natural conditions. Barlow's Apistogrammas prefer dimly lit environments, making aquatic plants such as Microsorum, Taxiphyllum, Cryptocoryne, and Anubias ideal, as these species thrive under such lighting. Adding patches of floating vegetation can beautifully diffuse light, lending a mystical atmosphere to the tank. Careful management of their environment is crucial. The filtration system should be gentle to avoid strong currents, and water changes should be done cautiously to prevent disruption. By attending to the subtle nuances of their habitat, one can fully appreciate the beauty and complexity of these fascinating fish.
Barlow's Apistogrammas display distinctive fin characteristics that differ between sexes and ages. Juvenile males and females typically have rounded caudal fins, which may appear slightly truncated in older females. In adult males, the caudal fin is lyrate and divided into two colour zones: the upper lobe is bluish with faint spots, while the lower lobe is a solid yellowish to orange with no spots. Females have translucent caudal fins, sometimes with a yellowish base but no patterns. The male's dorsal fin is serrated with extended membranes at the front and elongates to a point. Some adult males may also show yellow or orange at the tips. In contrast, the female's dorsal fin is simpler and lacks pointed or extended features, though it may sometimes have a dusky margin.
Male ventral fins range from transparent whitish blue to yellowish green with yellow-orange tips, whereas female ventral fins are darker at the base with yellow or red-orange ends. Immature females often display four to five pronounced vertical bars, but after reaching sexual maturity, they generally take on a yellowish body colour marked by a conspicuous vertical black band behind the pectoral fins. In males, this is replaced by a small lateral spot. This species exhibits two distinct colour variations: a darker red form, known as "Rojo," which features red markings on the head, and a paler white form, referred to as "Blanco." Although these two forms do not coexist in the same exact locations, their habitats are located within close proximity to each other in the same geographical area.
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Sexual Dimorphism
Differentiating between male and female Barlow's Apistogramma is straightforward due to distinct sexual dimorphism. Males are larger, with an enlarged head and mouthparts, and exhibit more vibrant colouration. Males develop increasingly pronounced lappet-like extensions on their dorsal-fin rays as they mature. The male's lyrical caudal fin features a yellow lower lobe and a hyaline blue upper lobe adorned with vertical rows of pale spots. In contrast, females have a short caudal fin, typically devoid of markings except for a yellow colour in the centre of their body.
Quick Facts
| Scientific Name | Apistogramma Barlowi |
|---|---|
| Year Described | 2008 |
| Kingdom | Animalia |
| Classification | Actinopterygii |
| Order | Cichliformes |
| Family | Cichlidae |
| Genus | Apistogramma |
| Origins | Peru |
| Approx Max Size | 6.5 cm |
| Temperament | Semi-Aggressive |
| Aquarium Level | Middle - Top |
| Difficulty | Intermediate |
| Shoaling | No |
| Best kept as | 1 Male + Several Females |
| Diet & Feeding | Omnivore |
| Reproduction | Egg Depositor |
| Average Lifespan | Up to 5 Years |
Water Parameters
| Water Type | Freshwater |
|---|---|
| pH | 4.5 - 7.0 |
| GH | 2 - 12 |
| TDS | 0 - 90 |
| ℉ | 72 - 84 |
|---|---|
| ℃ | 22 - 29 |
Natural Habitat
Barlow's Apistogrammas are native to the forest streams of the Río Ampiyacu drainage in Tierra Típica, northwest of Pebas town in northern Peru. These Cichlids inhabit relatively cool, clear, and fast-flowing forest streams with water that ranges from acidic to neutral pH. The substrate in their natural habitat consists entirely of fine white sand with sparse aquatic vegetation.
Breeding
Barlow's Apistogrammas are biparental substrate spawners, favouring secluded areas such as caves or crevices for laying their eggs. During brood care, either one or both parents may engage in mouthbrooding, or the eggs and fry may be maintained in a shallow pit excavated from the substrate. The breeding pair establishes a territory where the female typically guards the eggs and fry while the male defends the broader territory against intruders. Courtship involves intricate displays, with the male showcasing his vibrant colours and fin extensions to attract the female. Once the eggs are laid, they hatch within two to three days, and the fry becomes free-swimming after approximately a week. Both parents actively protect and guide the fry during this period, ensuring higher survival rates. To encourage successful breeding in captivity, it is essential to replicate their natural environment with appropriate hiding places, optimal water conditions, and a nutritious diet.
Diet & Feeding
Barlow's Apistogramma demonstrates a diverse diet in its natural habitat, primarily feeding on small invertebrates and microorganisms found in the substrate and among leaf litter. This species adeptly forages for tiny crustaceans, worms, and insect larvae, constituting the bulk of its diet. In captivity, it is crucial to replicate this diet to maintain the fish's health and vitality. A varied feeding regimen that includes high-quality flakes or pellets, supplemented with live or frozen foods such as brine shrimp, daphnia, and bloodworms, is recommended. Providing a diet that closely mimics their natural food sources ensures optimal nutritional intake and encourages natural foraging behaviours, enhancing the overall well-being of these Cichlids.
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Published: 16 May 2024
Last Updated: 16 May 2024