Overview
The Pom Pom Crab (Freshwater) (Ptychognathus barbatus) is a intermediate freshwater species known for its brown-tan, anemone on claws coloration. Holds filter-feeding anemones on claws. Bottom to Mid.
Origin & Appearance
Origin: Southeast Asia.
Colors: Brown-Tan, Anemone on claws.
Body Shape: Crab (wide carapace). Typical adult dimensions: 2.1 x 3.0 x 1.2.
Sexual Dimorphism: Moderate; males have narrower abdomen.
Tank & Water Requirements
| Min Tank Size | 5 gallons |
| Temperature | 72–82°F |
| pH Range | 6.5–7.5 |
| Water Hardness (GH) | 5-15 |
| Bioload | very-high |
| Oxygen Demand | medium |
| Plant Safe | yes |
| Aquarium Position | Bottom to Mid |
Behavior & Activity
Small bottom walker; holds tiny anemones on claws for filter feeding; walks with pom-poms waving
Speed: 20/100Aggression: 1/10diurnal
Breeding
Difficult; larvae need saltwater
Common Diseases
💊 Molt failure💊 bacterial
Expert Notes
Holds filter-feeding anemones on claws