Fairy Cichlid - Neolamprologus brichardi: This fish will entertain you with its interesting social interaction. They build a thriving colony that can grab your attention for hours with their antics.
False Bumblebee Catfish - Leiocassis stenomus: The bumblebee catfish displays vibrant coloring. When it comes out of its hole to scavenge for food, it can be amusing, burying its head in a substrate to get a snack.
Fathead Bichir - Polypterus weeksii: This fish gets its name from its large head. While it's relatively peaceful, it will eat smaller fish, so it should only be kept with larger, heartier tankmates.
Feather-Barbel Catfish - Opsodoras stubelii: A barbel on a fish is a thin, sensory organ like a whisker near the mouth. It's used to find food and also contains the taste buds.
Featherfin - Hemigrammus unilineatus: Native to the White Nile, Volta, and Niger Rivers as well as the Chad Basin, this fish is prized by hobbyists because of its high fin that looks like a feather. The fish makes a squeaking noise to communicate.
Featherfin Synodontis - Synodontis eupterus: This fish likes a sandy bottom with crevices to hide and requires a tank of 50 gallons or more.
Festivum - Mesonauta festivus: Festivum are very picky when it comes to choosing a mate. Once they do find a partner, they will be faithful to their mate for life.
Fighting Loach - Nemacheilus notostigma: Clown Loaches will flick their tails at each other, engage in mouth-to-mouth combat which looks like kissing, and chase each other to establish dominance.
Figure Eight Pufferfish - Tetraodon biocellatus: Puffers like to explore and like complex decor with an intricate layout along with lots of room to swim. If a puffer is pacing along the glass, he's likely bored! These are very personable and interactive fish, and they will grow to recognize you... especially when you have food!