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Marbled Headstander
Abramites hypselonotus
📍 South America
The Marbled Headstander is a unique South American fish known for its distinctive head-down swimming posture and striking marbled pattern. These peaceful, schooling fish are moderately active and add interesting behavior and visual appeal to community aquariums. They require good water quality and prefer to be kept in small groups to display their natural social behavior.
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Care Guide
Diet
Marbled Headstanders are omnivorous and should be fed a varied diet including high-quality flake food, algae wafers, and small live foods such as daphnia and bloodworms. Feed small portions 2-3 times daily, adjusting quantity based on tank bioload. They will graze on algae and plant matter in the aquarium.
Behavior
These fish are named for their characteristic head-down posture while swimming and resting, which is completely normal behavior. They are schooling fish that display more natural behavior and reduced stress when kept in groups of at least 4-6 individuals. They are generally peaceful but may nip at very delicate plants and are most active during dawn and dusk hours.
Breeding
Breeding Marbled Headstanders in captivity is challenging and rarely accomplished in home aquariums. They are egg scatterers that require specific water conditions and plenty of fine-leaved plants or spawning mops. Successful breeding typically requires expert-level care and dedicated breeding tanks with careful conditioning of breeding pairs.
Tank Mates
Similar size and peaceful temperament; prefer same water parameters
Peaceful schooling fish with compatible care requirements
Bottom dweller that won't compete for middle-zone space
Small peaceful algae eater with similar water parameter needs
Peaceful and compatible in larger tanks with adequate space
Common Diseases
Ich (Ichthyophthirius multifiliis)
White spots on body and fins, scratching against objects, labored breathing
Increase temperature to 28-30°C (82-86°F), perform daily water changes, use ich medication containing malachite green or formalin; quarantine affected fish
Fin Rot
Frayed or deteriorating fins, discoloration at fin edges, lethargy
Improve water quality with frequent water changes, reduce stocking density, use antibacterial medication; ensure proper nutrition and avoid aggressive tank mates
Bacterial Infection
Open sores, cloudy eyes, loss of appetite, color fading
Perform large water changes, maintain excellent water quality, use broad-spectrum antibiotic medication; quarantine severely affected fish
Parasitic Infection
Excessive scratching, weight loss, visible parasites on gills, clamped fins
Use anti-parasitic medication, increase aeration, perform frequent water changes; quarantine affected fish and treat entire tank if widespread
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Quick Facts
- diet
- omnivore - algae wafers, small live foods, vegetable matter
- lifespan
- 5-8 years
- max size
- 9 cm (3.5 in)
- tank size
- 30 gallons minimum
- temperament
- peaceful
Water it likes
- ph
- 6.0-7.5
- ammonia
- 0 ppm
- nitrate
- <20 ppm
- hardness
- 4-8 dGH
- temperature
- 75–82°F (24–28°C)