The Zebra Dartgoby (Ptereleotris zebra) is a slender, peaceful saltwater fish known for its distinctive zebra-like horizontal stripes. It is commonly found in reef environments and is popular in marine aquariums.
Scientific Name
Ptereleotris zebra
Habitat
Native to the Indo-Pacific region. Inhabits sandy slopes and outer reef areas at depths of 5–30 meters.
Conservation
Not currently evaluated by the IUCN. Stable populations exist in the wild, but habitat loss and overcollection for aquarium trade can be threats.
Lifespan
Typically lives for 5–7 years in captivity with proper care.
Fun Fact
Known for their "darting" motion — they quickly swim into rock crevices or sand burrows when threatened.
Diet
Carnivorous – feeds on zooplankton, copepods, and small crustaceans. In captivity, accepts mysis shrimp, brine shrimp, and prepared marine food.
Average Size
Can grow up to 4 inches (10 cm).
Location / Placement info
Displayed in the Coastal Reef Exhibit, near the Ocean-View Tunnel
FAQ
What is the lifespan of the Zebra Dartgoby?
They can live up to 5–7 years in captivity with proper marine care.
What do Zebra Dartgobies eat?
They are carnivorous, feeding on mysis shrimp, brine shrimp, copepods, and finely chopped seafood.
Are Zebra Dartgobies aggressive?
No, they are very peaceful, reef-safe, and do best in small groups or pairs.
What is the ideal tank size for them?
A 30-gallon marine aquarium is minimum for a pair; more space is better for groups.
Do they need a specific environment?
Yes, they need sand substrate, caves, low aggression tank mates, and a tight-fitting lid (they can jump).