Royal Sienna Rostratus - Sand Diver
Fossorochromis rostratus
Royal Sienna Rostratus is an aquarium line-bred color variant associated with Malawi Sand Diver stock. Mature males can become impressive large haps, combining the open-sand behavior of rostratus with warm royal-sienna display color.
Origin and Habitat
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Native Region: Aquarium line-bred strain from Lake Malawi rostratus-type stock.
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Natural Habitat: Open sandy habitat where Sand Divers forage and sift through substrate.
Physical Characteristics
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Size: 10-14 inches.
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Coloration: Mature males develop the strongest royal-sienna display color; juveniles and females are more subdued.
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Body Shape: Large, elongated hap body adapted for open sand and active swimming.
Behavior and Temperament
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Temperament: More peaceful for its size, with mild conspecific aggression.
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Social Behavior: Best with large but not overly aggressive Malawi haps in spacious aquariums.
Aquarium Care
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Tank Size: A 180 gallon aquarium or larger is recommended for long-term adult care.
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Water Parameters: 74-84°F, pH 7.4-8.4, hard water.
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Tank Setup: Provide a broad sand bed, long open swimming lanes, limited stable rockwork, and very strong filtration.
Diet and Feeding
Breeding
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Breeding Type: Maternal mouthbrooder.
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Breeding Notes: Males display over open areas as they mature. Females hold eggs and fry in the mouth, and fry should be protected after release.
Tank Mates
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Compatible With: Large Lake Malawi haps and robust peacocks that will not harass or be swallowed.
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Avoid: Small fish, very aggressive mbuna, and undersized aquariums.
