Cull: To cull fish, dispose of ill, or inferior fish.

Culls: A fish called a cull, or a group of fish called culls.

Feeder Fish: inferior stock, fed to bigger fish.

Gonopodium: The annual fin of a male guppy. modified anal fin of all live-bearing male toothcarps.

Caudal: Tail fin of a guppy.

Caudal peduncle: supports caudal fin

Dorsal fin: Top fin, lays on back of guppy,

Operculum: Gill cover, pumps water over gills for gas exchange.

Pectoral fin: paired "arms" - Used for fine movement backward and forward.

Pelvic fin: paired "legs" - Used for stability in the water.

UGF: A under gravel filter - self explanatory.

BBS: Baby brine shrimp - small live shrimps, often fed to guppies.

ABS: Adult brine shrimp - live shrimps, often fed to guppies.

Fry: baby guppies, newborn up to 3 months.

Drop: a mother guppy drops her fry, a guppy giving birth, A litter of fry

Ich: a common fish disease - white spots appear over fish

Strain: a certain color of a guppy, bred to make a certain coloration - I.e. H/B Blue, Yellow Cobra, Gold Bodied Red