Species Profile
Diamond Watchman Goby
Valenciennea puellaris
Also known as: Orange-Spotted Sleeper Goby
Gobiespeaceful
Adult size
6″
Minimum tank
30 gal
Temperature
72–82°F
pH
8.1–8.4
Schooling
Solitary OK
Water level
bottom
Diet
Frozen mysis, brine shrimp, live copepods
Notes
Sifts sand constantly for tiny invertebrates, a living cleanup crew that also turns over the substrate. Needs deep sand and an established tank with a healthy copepod population.
Compatible Tankmates
Best tank mates for Diamond Watchman Goby
Every species below passes the compatibility engine when paired with Diamond Watchman Gobyin a suitably sized tank. Verdicts come from the same rules the builder uses — click a card to see that species' own care profile and its tank mates in turn.
Ocellaris Clownfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Blue-Green Chromis
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Royal Gramma
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Firefish Goby
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Yellow Tang
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Percula Clownfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Maroon Clownfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Tomato Clownfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Yellowtail Damselfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Three-Stripe Damselfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Blue Hippo Tang
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Powder Blue Tang
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Photo: Normann Z / Wikimedia Commons · Source · Public domain