National Aquarium – Spotted Ratfish

Spotted Ratfish

Hydrolagus colliei

DID YOU KNOW?

Ratfish can be found at depths ranging from 40–3,000 feet below sea level.

Exhibit Name and Location:
Washington - National Marine Sanctuary and National Parks Gallery

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National Aquarium – Spotted Ratfish National Aquarium – Spotted Ratfish National Aquarium – Spotted Ratfish

Spotted Ratfish

The spotted ratfish has a smooth and scaleless skin that is a silvery-bronze color, often with sparkling shades of gold, blue, and green. A venomous spine is located on the front of its dorsal fin.

Ratfish can be found at depths that range anywhere from 40–3,000 feet below sea level! They move to shallow water at night to hunt and feed.

Diet

Mollusks, crustaceans and fishes, echinoderms, and worms

Size

Spotted ratfish can grow up to 38 inches long.

Range

Most commonly found between the Pacific Northwest and British Columbia

Population Status

Least concern

Predators

Some sharks and Pacific halibut prey on spotted ratfish.

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A Note From the Caretaker

Our ratfish were collected by staff in the Puget Sound of Washington at 2 a.m., when they were in shallow water.