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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