In reference to bettas: VT- veiltail HM- halfmoon DT- doubletail DeT- delta tail PK- plakat CT- crowntail Also, many of these can be combined when multiple traits are present(I.e. DTHMPK, doubletailed halfmoon plakat) an F after an abbreviation indicates a female (such as CTF for a female crowntail) Some other fish abbreviations: EL- Endler's Livebearer DG- dwarf gourami HG- honey gourami ZD- zebra danio MMP- mickey mouse platy BBM- balloon belly molly HFM or SFM- hi-fin molly/sailfin molly Tank and equipment abbreviations: HM- halfmoon tank BF- bow-front tank CT- cylinder tank An L or T after a tank size indicates that the dimensions are either longer or taller than the standard for a tank that size. HOB- hang-on-back filter UGF- undegravel filter CF- canister filter NPT- natural planted tank, meaning all live plants in a soil substrate, natural decorations etc, basically as close to a live ecosystem as possible. LPT- live planted tank, a tank with real plants but also artifical elements such as dyed substrate and resin decoration. Non-fish: RCS- red cherry shrimp GS- ghost shrimp BS- bamboo shrimp AS/MS- apple/mystery snail RHS- ramshorn snail PS- pond snail MTS- malaysian trumpet snail ADF- african dwarf frog ACF- african clawed frog RES- red eared slider MMB- marimo moss ball Those are all the ones I can think of right this second.....