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Some coral reef fish starve themselves to avoid getting into fights with their larger, dominant neighbors, researchers have found. Emerald coral gobies live in small groups in which social rank is strictly determined by body size. Within each group only…

This species comes from the Red Sea and Indian Ocean; along with its close relative Zebrasoma veliferum from the Pacific, it is the largest Zebrasoma tang, potentially growing to 40 cm/16″. If you want to keep one you need a…

Always buy the biggest set-up you can afford. The term set-up, and not tank is mentioned because a large tank will need a large filter, large heater and adequate lighting, so make sure that you can afford not only the…

A baby giant manta ray — claimed to be the first in the world to be born in captivity — died at a Japanese aquarium Thursday after being abused by its father, its Japanese keepers said. The female baby manta…

Also known as the sea wasp, this salad-bowl sized jellyfish can have up to 60 tentacles each 15 feet long. Each tentacle has 5,000 stinging cells and enough toxin to kill 60 humans. These generally aren’t exported for aquarium trade.…

Corals get cold sores too. Only, for corals, a herpes virus infection isn’t just annoying. It can be lethal, and it and other diseases are possibly a big factor in the deaths of coral reefs that humans are causing throughout…

The Sohal Tang or Red Sea Clown Tang is from the Red Sea and the Western Indian ocean. Although fish from the Red Sea are generally more expensive, they are always net caught and are handled with more care, which…