The most members online in one day was 283, 09-07-2010.
50seven, aaronc, Acrylic, AdrianT, ajdelosr, almog60, ambchang, ameekplec., aquanutt, aquaria_lover, arapaimag, arc, AtomicBob, bae, BaRoK, Bayfield, BBOSS, bcarlos, BeerBaron, BettaBeats, Big Ray, bigd81, bigfishy, BillD, Bio-Gold, bioload, Birdman, BKTruong, BlueEL, blueggreen, bluekrissyspikes, bob123, bob_u, botb2, brapbrapboom, Bretzz, bumbleboo, BWI, Byronicle, caker_chris, Calmer, camboy012406, CanadaPleco, carbonlist, carmenh, chant815, characinfan, chip104, choii317, Chris S, cidco, Ciddian, coldmantis, conix67, coopdujour, Cory, Cowboy, ctrlf, Cypher, DaFishMan, Darkside, dave pauls, Dis, diver, dl88dl, Dnavlean, dr_vlahos, duckyser, eddie, elizabean, everblue1982, explor3r, figman, Filcanpg, fishclubgirl, fishfanatic, Fishfinder, fishlover1, FishPedagogue, fishzipdrive, Fish_Man, fra1, fury165, gamexeater, goffebeans, Greg_o, GuppiesAndBetta, Guppy_Madness, gyros, Hack02, harana, hatorihanzoe, hermitcrab, hironobu, hojimoe, Holidays, holychow101, Hon123, htwooh, ilikefish, impalass, ivanbrocic, jad4562001, jamesren, jarmilca, jimmyjam, JJ123, john1000, johnchen123, jon021, Julz, Kaiser.800, karan2809, kchhangur, KeMo, Killertiger, killieman, kiloman, kmz, kolbaso, ksimdjembe, kumar, Kweli, laurahmm, Lee_D, lemuj, Liquid_Pyro, loonie, magicboi86, marbss, matti2uude, mauve, mdfa.ca, Micro Guy, mitboi, mojo911, montelovers, myraymond, n21981606, namugenle, neverlookback, noved, novice, NVES, ozi, PACMAN, panther2009, paulof, PeterJ, phi delt reefer, razputin88, rich, romsan, ryno1974, Sameer, SAMhap, Sarina, Scarletpleco49, senwe, shaneo, shum, simsimma, SmallTimeCrooks0, smurf888, snaggle, solarz, stevenpie, stout, sunny231, superyc, switch, szar, taillight, talon, tat2moe, TBemba, Tbird, techni, teek, teemee, The Baron, tomsfish, Topher, trailblazer295, trky, Tropicana, TypeZERO, Tyray, Vilk, violet, waj8, waqas_01, Waste, who brought the new guy, wildexpressions, Windowlicka, WiyRay, Y2KGT, ynot, Yoga_fish, Zack, zero_da_hero, zevhedda