Species Spotlight

Killer Killis

Killer Killis

By Aquatropic Staff | February 19, 2026

Killifish! We know, we know, right! You're probably as smitten as we are, but if you aren't aware of these ravishing little b … Read more
Swimmers of Rohan

Swimmers of Rohan

By Aquatropic Staff | February 9, 2026

The riders of Rohan are always in groups. While not named for them, Rohan's Teardrop Barbs also like to be in groups. However … Read more
Happy, Healthy, Hollands!

Happy, Healthy, Hollands!

By Aquatropic Staff | January 23, 2026

Mikrogeophagus ramirezi is better known as the Ram Cichlid, and less commonly, the Butterfly Cichlid. There are many forms an … Read more
Prettiest Angel of Them All?

Prettiest Angel of Them All?

By Aquatropic Staff | January 8, 2026

If you've ever been in an aquarium store, you've seen a freshwater Angelfish, scientifically known as Pterophyllum scalare. T … Read more
Tiny & Terrific!

Tiny & Terrific!

By Aquatropic Staff | December 9, 2025

There is a tiny, and we mean really absurdly small catfish available to aquarium keepers that most hobbyists are unaware of a … Read more
Feisty Festae!

Feisty Festae!

By Aquatropic Staff | December 2, 2025

Common names frequently offer a lot of useful information, and such is the case for the fish that goes by the scientific moni … Read more
Who You Calling a Sissy?

Who You Calling a Sissy?

By Aquatropic Staff | November 24, 2025

Streamwater Gobies are the coolest; all the fish in this genus have the same, somewhat goofy looking head. While we don't see … Read more
GULP

GULP

By Aquatropic Staff | November 17, 2025

One of the best and most appropriate common names in the freshwater aquarium hobby belongs to the Gulper Catfish, also known … Read more