Aquarium Fish

Convict Blenny

posted: 05/15/12
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Convict Blenny
Courtesy of Drs. Foster and Smith
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The Convict Blenny is also commonly referred to as the Engineer Blenny. It is in a separate family from the gobies and blennies. Its markings change throughout its life. Consistently, the colors involved are dark blue to black on white. As a juvenile, the markings are horizontal, running the length of the body. With age, they become vertical bands.

It should be kept in a 30 gallon or larger aquarium with a sand covered bottom where it may make burrows. It needs peaceful tank mates and plenty of hiding places. Small groups or pairs tend to do better in an aquarium, but need to be introduced simultaneously to the tank.

The Convict Blenny has been known to spawn successfully in the aquarium setting.

Its diet should consist of a variety of fresh or frozen seafood, brine shrimp, and mysid shrimp. It should be fed at least twice per day.

Fish Facts

Name: Convict Blenny (Pholidichthys leucotaenia)

Family: Pholidichthyidae

Range: Indonesia

Size: Up to 3 inches

Diet: Carnivore

Tank Set-up: Marine: Coral or rock, plants, sand

Reef Compatible: Yes

Tank Conditions: 72-78°F; sg 1.020-1.025; pH 8.1-8.4

Minimum Tank Capacity: 30 gallon

Light: Medium

Temperament: Peaceful

Swimming Level: Bottom

Care Level: Moderate

Reproduction: Egg Layer

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