Hidden below ground, this tunnel transforms into a breathtaking aquarium filled with vibrant Amazon species. From colorful tetras to powerful koi and cichlids, the entire setup feels alive with ...

Remember Big Mouth Billy Bass? That strange wall-mounted fish from the '90s that sings "Take Me to the River?" Well, now it connects to Amazon Alexa's voice assistant, and its lips will move in-sync ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Original image has been ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The largest freshwater fish in South America, arapaima (Arapaima gigas) can grow to over 10 feet ...

Its white flesh is tender and tasty, it can measure up to three meters long and weigh more than 200 kilograms: meet the pirarucu, one of the world's largest freshwater fish, and native to the Amazon.

New research finds that 90% of marine aquarium fish sold in the U.S. are wild-caught, posing growing threats to coral reefs ...