The most members online in one day was 251, 01-07-2010.
*Danny***, 1dime, aaronc, Abner, abridgel, advanced reef aquatics, alanhk66, aln, ameekplec., Andrew_457, Apache, AquariAM, aquarius, Aquatic Designs, ArcLyte, AtomicBob, bae, BaRoK, bcarlos, BeerBaron, Big Ray, Bigdaddyo, bigfishy, BillD, Birdman, BKTruong, BlueEL, blueggreen, blueskymile, bmitf, brapbrapboom, Brian, brigitteisveryspecial, bucow, Burtess, Bwhiskered, By-The-Lake, Byronicle, cablemike, Calmer, CanadaPleco, carmenh, catsaholic, charles, chatty patty, cherryhill, chhay24, chip104, Chris S, chrissl, cichlidsnorth, Ciddian, clubsoda, Comic Sans, conix67, Cory, crxmaniac, CyCLoBoT, DaFishMan, Darkside, davec, derekc85, Detritus Mulm, dinop, Doctor T, dr_vlahos, duckyser, endi, Epiphile, Evans11, ewelina2377, fccm15, Fishfinder, fish_luva, Fish_Noob32, flanneryc, Flazky, flyboy320, G35flyNbyU, Geo, good_reef, gucci17, GuppiesAndBetta, gyros, Hack02, Hitch, hojimoe, igor.kanshyn, ikola, ivanbrocic, jacky75, jad4562001, JamesG, jamesren, jamezgt, jarmilca, jayb12, jediwiggles, JeffV, Jimmy, john1000, jon021, Jsu, Julian, kaegunim, Kaiser.800, karan2809, Ken, KhuliLoachFan, kiloman, KnaveTO, ksimdjembe, kunle1, LadyInBlue, Liquid_Pyro, loonie, Louis, Marowana, matti2uude, mbb41, Merman, mikos_f@yahoo.com, millermin, mojo911, Mr Fishies, mr_brixs, muoihoang10, Mustang90, myraymond, neverlookback, noname42, NuclearTech, Octavian, officerben, okoolo, oshiet, papik, Patriots, PeterJ, PhonicsBus, Pixelated_Pirate, Pleconomous, PPulcher, qiaable, quality, qwerty, redclove, Rhunt, Ricky, Rmwbrown, rojowe, ronthereptile, Rui, rush2112, ryno1974, Salty1, samiam, saulrich, scrt69, senwe, shadow_cruiser, shaneo, shannon666, shark, shrtmann, shum, simsimma, smurf888, souldct, sourandmouldy, SR2009, Stanford, Supernova, swisayd, talon, TBemba, Tbird, techmaster, teemee, Tetrathug, The Baron, thepack, thepit21, times9, TJM, tom g, tomsfish, tooslow, tropicalfishlover1220, Tropicana, UnderTheSea, vaporize, Web Wheeler, whenfishfly?, Windowlicka, WiyRay, wtac, Y2KGT, Yeti_north