Overview
The Coral Catshark (Atelomycterus marmoratus) is a advanced saltwater species known for its brown-tan, dark spots and bands coloration. Small reef shark. Bottom.
Origin & Appearance
Origin: Indo-Pacific.
Colors: Brown-Tan, Dark spots and bands.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 70.0 x 12.6 x 21.0.
Sexual Dimorphism: Moderate; males have claspers.
Tank & Water Requirements
| Min Tank Size | 198 gallons |
| Temperature | 75–81°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | very-high |
| Oxygen Demand | high |
| Plant Safe | yes |
| Aquarium Position | Bottom |
Behavior & Activity
Nocturnal bottom crawler; rests in caves during day; slow sinuous swimming along reef bottom at night hunting
Speed: 45/100Aggression: 4/10nocturnal
Breeding
Moderate; egg layer (oviparous)
Common Diseases
💊 Hardy💊 needs pristine water
Expert Notes
Small reef shark; nocturnal; manageable size