Overview
The Siamese Algae Eater (Crossocheilus oblongus) is a beginner freshwater species known for its brown-gold, black lateral stripe coloration. Eats hair algae and black beard algae. Bottom to Mid.
Origin & Appearance
Origin: Southeast Asia.
Colors: Brown-Gold, Black lateral stripe.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 16.0 x 2.9 x 4.8.
Sexual Dimorphism: Minimal.
Tank & Water Requirements
| Min Tank Size | 30 gallons |
| Temperature | 75–79°F |
| pH Range | 6.5–7.5 |
| Water Hardness (GH) | 5-15 |
| Bioload | medium |
| Oxygen Demand | medium |
| Plant Safe | yes |
| Aquarium Position | Bottom to Mid |
Behavior & Activity
Bottom-to-mid active forager; constantly grazing algae off every surface; rests on bottom between bouts; steady determined movement
Speed: 40/100Aggression: 3/10diurnal
Breeding
Moderate; egg layer
Common Diseases
💊 Ich
Expert Notes
Eats hair algae and black beard algae