Aquarium Fish

Highfin Blenny

posted: 05/15/12
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Highfin Blenny
Courtesy of Drs. Foster and Smith
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The Highfin Blenny is also known as the Dusky Blenny, Brown Coral Blenny, Black Blenny, Black Sailfin Blenny, or Brown Combtooth Blenny. It can be found in a variety of colors including yellow, orange, brown, or black. Males are generally larger than females and experience a succession of color changes when breeding.

It requires a well-established tank of at least 50 gallons or larger with plenty of scattered rocks for perching and hiding, and live rock with microalgae growth on which to feed. The Highfin may nip at or eat some small-polyped stony corals and clam mantles. Only one Highfin Blenny per tank is recommended unless it is a breeding pair.

The Highfin Blenny is an obligate microalgae eater. Its diet can be supplemented with vegetable matter, including frozen and dried foods containing marine and blue-green algae (Spirulina).

Fish Facts

Name: Highfin Blenny (Atrosalarias fuscus)

Family: Blenniidae

Range: Indo-Pacific: Red Sea to Pakistan

Size: Up to 6 inches

Diet: Herbivore

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

Reef Compatible: With caution

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

Minimum Tank Capacity: 50 gallon

Light: Medium

Temperament: Peaceful

Swimming Level: Bottom

Care Level: Moderate

Reproduction: Egg Layer

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