The Mascara Barb (Dawkinsia assimilis) is a striking freshwater fish from India, known for the bold black "mascara-like" stripe near its eye. It's a peaceful and attractive addition to aquariums.
Scientific Name
Dawkinsia assimilis
Habitat
Native to rivers and streams of the Western Ghats in India. Prefers clean, well-oxygenated water with moderate to strong current.
Conservation
Near Threatened in the wild due to habitat degradation in Western Ghats. Conservation efforts focus on protecting its natural stream habitat.
Lifespan
Typically lives for 4–6 years with proper care.
Fun Fact
The bold eye stripe resembles mascara makeup, giving the fish its unique common name.
Diet
Omnivorous – feeds on algae, small invertebrates, and detritus. In captivity, accepts flakes, pellets, and live/frozen food.
Average Size
Grows up to 4.5 inches (11–12 cm) in length.
Location / Placement info
Displayed in the Coastal Reef Exhibit, near the Ocean-View Tunnel
FAQ
What is the lifespan of the Mascara Barb?
Mascara Barbs can live up to 5–7 years in captivity with good water quality and care.
What do Mascara Barbs eat?
They are omnivorous – eating flakes, pellets, algae, insect larvae, and vegetable matter.
Are Mascara Barbs aggressive?
No, they are peaceful schooling fish, ideal for community aquariums.
What is the ideal tank size for them?
A minimum of 30 gallons is needed for a group of 6 or more.
Do they need a specific environment?
Yes, they prefer well-planted tanks, gentle flow, and soft to moderately hard water.
How big do Mascara Barbs grow?
They can grow up to 4.5 inches (11–12 cm) in length.
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