Springing from East Africa’s Great Lakes and emptying into the Mediterranean Sea, the Nile has been bringing life and wealth into Egypt since the Stone Age. You’ll be transported back to ancient Egypt at this exhibit, which plays host to creatures as spectacular as they’re savage.
What makes it unique
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Bichir
The modified swim bladder is also found in the bichir (pronounced as “bee-cher’). The 5-18 dorsal finlets along the top of its back are raised when it’s agitated, giving a flag-like appearance.
With its small, flat head and rounded snout, the bichir resembles a salamander. Young bichirs also have feathery external gills similar to those of salamander larvae.
Bichirs are carnivores that emerge at night to feed. They eat anything, including smaller counterparts!
With its small, flat head and rounded snout, the bichir resembles a salamander. Young bichirs also have feathery external gills similar to those of salamander larvae.
Bichirs are carnivores that emerge at night to feed. They eat anything, including smaller counterparts!
Giraffe catfish
Named for its skin pattern, which resembles that of a giraffe, this fish has scaleless skin. In addition to intake through the gills, it can absorb oxygen directly from the water through its skin.
An opportunistic feeder, it picks plants, invertebrates, even dead fish off the riverbed with its down-turned mouth.
The eggs are guarded by the male parent. He even cares for the eggs and young of another catfish species, which takes advantage of the ready nest.
An opportunistic feeder, it picks plants, invertebrates, even dead fish off the riverbed with its down-turned mouth.
The eggs are guarded by the male parent. He even cares for the eggs and young of another catfish species, which takes advantage of the ready nest.
Together in harmony
You might be wondering how we keep all these predatory fish in the same tank without conflict. In the wild, arowanas dwell near the water surface while the tigerfish are mid-column fish. The bichir and the giraffe catfish are both bottom feeders. Each species occupied their own niche. Given their natural tendencies to occupy different layers of the water column, it was not hard to condition these predatory fish to live together in harmony in the same tank!
Animals
African pike
Giraffe catfish
Hornet tilapia
Lapradei bichir
