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Rabbitfish
Category: Saltwater Reef Fish

About

Rabbitfish are herbivorous marine fish known for their rabbit-like mouth, large eyes, and venomous spines. Commonly found around coral reefs and seagrass beds, they play an ecological role in controlling algae.

Scientific Name

Family: Siganidae (includes several genera and species such as Siganus spp.)

Habitat

Shallow tropical marine waters, particularly coral reefs, seagrass beds, and lagoons.

Conservation

Not endangered – sustainably fished in some regions and increasingly cultured in aquaculture systems.

Lifespan

Typically around 5–7 years in the wild.

Fun Fact

Rabbitfish have venomous spines on their fins that can cause painful stings if handled carelessly.

Diet

Primarily herbivorous – feed on algae and seagrasses; some species may eat small invertebrates.

Average Size

Usually ranges between 20–40 cm (8–16 inches), depending on the species.

Location / Placement info

Displayed in the Coastal Reef Exhibit, near the Ocean-View Tunnel

FAQ

What is the lifespan of the Rabbitfish?

Rabbitfish typically live up to 5–7 years in captivity with good care.

What do Rabbitfish eat?

Rabbitfish are primarily herbivorous, feeding on algae and seaweed, though some may eat small invertebrates.

Are Rabbitfish aggressive?

Rabbitfish are generally peaceful but may become territorial if kept in small spaces or with similar species.

What is the ideal tank size for Rabbitfish?

A minimum of 100 gallons is recommended due to their active swimming and grazing behavior.

Do Rabbitfish need a reef environment to survive?

No, but they thrive in reef-like environments with live rock and algae to graze on.

How big do Rabbitfish grow?

Rabbitfish can grow up to 10–12 inches (25–30 cm) depending on the species.

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