Engineer Goby - Pholidichthys leucotaenia
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The Engineer Goby (Pholidichthys leucotaenia) is a fascinating marine fish characterized by its striking black-and-white striped body that changes as it ages and burrowing behavior. Known for its unusual social and digging habits, this peaceful species adds unique activity and interest to well-established reef aquariums.
Common Name: Engineer Goby
Scientific Name: Pholidichthys leucotaenia
Family: Pholidichthyidae
Size: Up to 12 inches (30 cm)
Temperament: Peaceful
Difficulty: Moderate
Reef Safe: With caution
Native Region: Found throughout the Indo-Pacific, including Indonesia and the Philippines, typically inhabiting sandy lagoon bottoms and reef flats where it forms extensive burrow systems.
Tank Size: Minimum of 75 gallons
Temperature: 74–80°F (23–27°C)
pH: 8.0–8.4
Salinity: 1.023–1.025
Substrate/Decor: Deep sand bed is essential for burrowing; provide ample live rock for shelter and foraging.
• Burrowing Behavior: Creates extensive tunnel networks; avoid small invertebrates that may be disturbed.
• Diet: Carnivorous—accepts live or frozen mysis, brine shrimp, and other meaty foods.
• Behavior: Peaceful and social; often observed in small groups or pairs.
• Tankmates: Compatible with larger, peaceful reef fish; may uproot small corals or disturb delicate invertebrates.