The most expensive aquarium fish list for 2025, ranked. See the world's most expensive fish, worth over $400,000.

The Asian arowana, or dragon fish, is a prized aquarium species from Southeast Asia, revered for its dragon-like appearance ...

Here's all you need to know about this prized creature, followed by a look at a few other costly fish that aquarists and fish ...

A rare Ice Age fish is thriving in a Scottish loch where it was reintroduced after becoming extinct across the country, a new survey has found. The Vendace, considered the UK’s rarest native ...

LAS VEGAS (FOX5) — Earthquakes around the world have rattled the Nevada home of the world’s rarest fish deep in a hole in Nye County. As a result, their numbers have plummeted. Now there is an effort ...

Vendace had been extinct in Scotland until being reintroduced at Loch Skeen near Moffat almost three decades ago. The site ...

Atlantic bluefin tuna are highly prized for both big game angling and Japanese cuisine, making them one of the world's most valuable fish.

Amazing photos show a large bluefin tuna display off Cornwall - as the 'world's most expensive fish' flocks to UK in 'biggest ...