Saltwater Aquarium Fish for Marine Aquariums: One Spot Blenny
One Spot Blenny
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One Spot Blenny (Crossosalarias macrospilus)
Additional locales and sizes may be available!

Quick Stats

Minimum Tank Size 30 gallons
Care Level Easy
Temperament Peaceful
Reef Compatible Yes
Water Conditions 72-78° F, dKH 8-12, pH 8.1-8.4, sg 1.020-1.025
Max. Size 4"
Color Form Green, Red, Tan, Yellow
Diet Herbivore
Compatibility View Chart
Origin South Asia
Family Blenniidae
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The One Spot Blenny is also referred to as the Big Spot or Triplespot Blenny. Its body is a mottled green and dark brown with white spots. The belly is a light tan to cream color and the dorsal fin has accents of yellow and red.

A well-established 30 gallon or larger aquarium with multiple swimming levels and plenty of rock is a suitable environment. The One Spot Blenny is not usually aggressive unless tank mates appear to have a similar shape as it does. It is best to house singly unless kept in a larger tank and the two are a mated pair. It tends to perch and hop from rock to rock looking for microalgae to graze on.

The One Spot Blenny does best in well-established aquariums with large amounts of natural algae to feed on. The diet can be supplemented with vegetable matter, Spirulina, and herbivore preparations.

Approximate Purchase Size: 1" to 2"

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