MARBLED HEADSTANDER (Abramites hypselonotus)

Marbled Headstander (Abramites hypselonotus)

The Marbled Headstander is a striking South American fish known for its bold black-and-gold marbled pattern and its unique head-down swimming posture. Native to the rivers of the Amazon and Orinoco Basins, this active species spends much of its time grazing on algae, biofilm, and plant matter while exploring every corner of the aquarium.

With its unusual behaviour and eye-catching appearance, the Marbled Headstander is a fascinating addition to larger community aquariums.

Quick Facts

• Scientific Name: Abramites hypselonotus
• Common Name: Marbled Headstander
• Origin: South America (Amazon & Orinoco River Basins)
• Adult Size: 5–7 inches (13–18 cm)
• Lifespan: 8–10 years
• Temperament: Semi-aggressive
• Care Level: Intermediate

Aquarium Requirements

• Minimum Tank Size: 75 gallons
• Temperature: 74–82°F (23–28°C)
• pH: 6.0–7.5
• Water Hardness: Soft to moderately hard
• Aquascape: Provide driftwood, smooth rocks, open swimming areas, and excellent filtration with moderate water flow. Hardy plants may be used, although softer-leaved species may be nibbled.

Diet

Marbled Headstanders are omnivores with a strong preference for plant matter. Feed a high-quality spirulina pellet or algae wafer as the staple diet, supplemented with fresh vegetables such as zucchini, cucumber, spinach, and shelled peas. They also enjoy frozen foods such as bloodworms, mysis shrimp, brine shrimp, and daphnia to provide additional protein.

Compatibility

• Best kept with medium to large peaceful or semi-aggressive South American fish.
• Excellent tank mates include Severums, Geophagus, Festivums, Silver Dollars, larger tetras, peaceful plecos, and many medium-sized cichlids.
• May become territorial with their own species unless housed in a large group.
• Avoid very small fish and delicate, soft-leaved plants that may be damaged.

Why You’ll Love Them

• Unique head-down swimming behaviour unlike most aquarium fish.
• Beautiful marbled black and gold colouration.
• Active, intelligent, and constantly exploring the aquarium.
• Excellent algae and biofilm grazer.
• A true conversation piece for larger freshwater aquariums.

The Marbled Headstander (Abramites hypselonotus) is a one-of-a-kind South American species that combines fascinating behaviour with striking beauty. Its unique swimming posture, active personality, and bold appearance make it an outstanding addition to larger community aquariums. Contact ECOAquariums for current availability and pricing.