Aquarium Fish

Harlequin Bass

posted: 05/15/12
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Harlequin Bass
Courtesy of Drs. Foster and Smith | Information provided courtesy of PetEducation.com
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The Harlequin Bass is an unusual striking yellow and black mottled color on the ventral side, with black and white mottling on the dorsal half.

A 20 gallon or larger aquarium with abundant hiding places provides a good environment. It prefers to dig in the bottom substrate. As the Harlequin Bass matures, it may prey on any smaller fish or crustacean tank mates, but is peaceful with other larger fish. It will not live peacefully with others of the same species unless they form a mated pair.

An extremely hardy fish, the Harlequin Bass requires a diet consisting of a variety of chopped live meaty items and frozen foods.

There are almost 15,000 species of marine fish. The appearance, nutritional requirements, environmental needs, reproduction, compatibility with other marine creatures, and survival adaptations of these different species vary remarkably. To successfully maintain an aquarium, the aquarist needs to understand all of these aspects of a fish before considering adding the fish to the tank. Understanding these characteristics of a fish before acquiring it, and knowing from where it was obtained, is necessary to provide the conditions in which the fish can thrive.

Fish Facts

Name: Harlequin Bass (Serranus tigrinus)

Family: Serranidae

Range: Tropical Western Atlantic

Size: Up to 4 inches

Diet: Carnivore

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: 20 gallon

Light: High

Temperament: Aggressive

Swimming Level: Middle

Care Level: Easy

Reproduction: Egg Layer

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