They are blue with black markings and yellow tails and fins. Unfortunately, these fish aren’t good for aquariums as they can’t be ethically obtained. They only breed in the wild, never in ...

[Blue Blade Fish] wanted to build an Arduino-based aquarium controller. He’s detailed the system in (so far) 14 videos and it looks solid. This isn’t just a simple controller, either.

but many saltwater species in home aquariums are still taken from the wild. Researchers at UF/IFAS want to change that by helping fish farmers breed popular species like clownfish and blue tangs ...