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Iridescent Shark
Category: Freshwater Tropical

About

The Iridescent Shark (Pangasianodon hypophthalmus), also called the iridescent shark catfish, is a freshwater fish from Southeast Asia. Despite its name and shark-like appearance, it is not a true shark. It is named for the shimmering glow seen in juveniles. Widely farmed for food and kept in aquariums, this species is known for its adaptability and omnivorous diet.

Scientific Name

Pangasianodon hypophthalmus

Habitat

Rivers of Southeast Asia, especially the Mekong and Chao Phraya basins

Conservation

Not endangered; extensively farmed for food

Lifespan

15–20 years in captivity

Fun Fact

Juveniles glow with an iridescent sheen, which fades as they grow older. Though peaceful, their large size makes them unsuitable for small aquariums.

Diet

Omnivorous; feeds on live foods, plants, flakes, and pellets

Average Size

Up to 130 cm (4.3 feet) in the wild; smaller in aquariums

Location / Placement info

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

FAQ

Is the Iridescent Shark a real shark?

No, it is a type of catfish and not related to true sharks.

Can Iridescent Shark kept in a home aquarium?

Yes, but it requires a very large tank due to its adult size.

Is Iridescent Shark aggressive?

No, it is peaceful but may accidentally harm smaller tankmates due to its size.

What does Iridescent Shark eat?

It eats almost everything: live food, plants, flakes, pellets, and frozen items.

Is Iridescent Shark used for food?

Yes, it is widely farmed and consumed in Southeast Asia.

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