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We offer one of the largest selections of freshwater and saltwater fish in Philadelphia. Check out our videos.

15 hours ago

The Hidden Reef, Inc

Sailfin Tang #sailfintang #thehiddenreef ... See MoreSee Less

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16 hours ago

The Hidden Reef, Inc

NEW Spider Wood is back in. #spiderwood #driftwood #thehiddenreef ... See MoreSee Less

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19 hours ago

The Hidden Reef, Inc

Sawtail Tang Japan #sawtailtang #rarefish #thehiddenreef ... See MoreSee Less

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21 hours ago

The Hidden Reef, Inc

Harlequin Sandsmelt first one ever at The Hidden Reef #harliquinsandsmelt #japanesefish #rarefish #thehiddenreef ... See MoreSee Less

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2 days ago

The Hidden Reef, Inc

#thehiddenreef #discus #discusfish -#discustank ... See MoreSee Less

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Banner (Bangai) Cardinal; T.R. - Pterapogon kauderni
Bicolor Angel; Fiji - Centropyge bicolor
Blonde Naso Tang - Naso elegans
Blue Leg Reef Hermit Crab; Atl. Paguristes sp.
Blue Spot Puffer - Canthigaster solandri
Bluejaw Trigger: Male - Xanthichthys auromarginatus
Blueline Trigger - Pseudobalistes fuscus
Bumblebee (Wheeleri) Goby - Amblyeleotris wheeleri
Chocolate (Yel.Mimic) Tang - Acanthurus pyroferus
Christmas Wrasse; Indo Pacific - Halichoeres sp.
Clown Tang - Acanthurus lineatus
Clown Trigger - Balistoides conspicillum
Condylactis Anemone: Color; Atl. - Condylactis gigantea
Copperband Butterfly - Chelmon rostratus
Coral Beauty Angel - Centropyge bispinosus
Diadema Pseudochromis - Pseudochromis diadema
Diamond (Sleeper) Goby - Valenciennea puellaris
Domino Damsel - Dascyllus trimaculatus
Dragon Wrasse: Juv - Novaculichthys taeniourus
Emerald Crab; Atl. - Dromidiopsis edwardsi
Finger Leather: Hairy - Capnella sp. w/scleractinia
Flame Fin (Tomini) Tang - Ctenochaetus tominiensis
Foxface - Siganus vulpinus
Harliquin Sandsmelt Japan
Hector's Goby - Amblygobius hectori
Humu Humu Trigger - Rhinecanthus aculeatus
Ignitus Anthias: Female - Pseudanthias ignitus
Imperator Angel: Juv - Pomacanthus imperator
Leopard Wrasse - Macropharyngodon meleagris
Long Spine Urchin - Diadema sp.
Melanarus Wrasse: Male - Halichoeres malanurus
Nerite Snail Nerite sp.
Niger Trigger - Odonus niger
Orange Shoulder Tang - Acanthurus olivaceus
Orangespot Prawn Goby - Amblyeleotris guttata
Orbic (Pajama) Cardinal - Sphaeramia nematoptera
Panther Grouper; Tank Raised - Cromileptes altivelis
Pineapple Trigger - Pseudobalistes flavimarginatus
Pinktail Trigger - Melichthys vidua
Porcupine Puffer - Diodon holocanthus
Powder Blue Surgeon - Acanthurus leucosternon
Rectangulus Trigger - Rhinecanthus rectangulus
Royal Urchin: Color - Mespilia globulus
Ruby Red Dragonette - Synchiropus stellatus
Rusty Angel - Centropyge ferrugatus
Saddleback Butterfly - Chaetodon ephippium
Sailfin Tang - Zebrasoma veliferum
Sailfin Tang - Zebrasoma veliferum
Sawtail Tang Japan
Scopas Tang - Zebrasoma scopas
Scribbled Rabbit Fish - Siganus virgatus
Sea Hare - Dolabella auricularia
Six Line Wrasse - Pseudocheilinus hexataenia
Snowflake Moray - Echidna nebulosa
Spotted Puffer; Haw. - Canthigaster jactator
Spotted Sweetlips - Plectorhinchus chaetodonoides
Tailspot Blenny - Ecsenius stigmatura
Tiger Jawfish - Opistognathus gilberti
Tiger Tail Cucumber - Stichopus sp.
Tropical Turbo Snail - Turbo sp.
Tube Anemone: Super Orange - Cerianthus sp.
Two Spot Blenny - Ecsenius bimaculatus
Unicorn Tang - Naso unicornis
Yellow Eye Tang; Haw. - Ctenochaetus strigosus
Yellow Rose (Antenna) Goby - Stonogobiops nematodes
Yellow Tang; Haw. - Zebrasoma flavescens
Yellowtail Cleaner Wrasse - Larabicus sp.
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Angels MAC Certified:Lemon Peel :: Fiji
Angels:Flame Loriculus :: Central Pacific
Angels:Red Stripe, Eibli :: Eastern Asia
Angels:Rock Beauty :: East Americas
Anthias:Pictilis, Female :: Melanesia
Anthias:Squareback Female :: Eastern Asia
Anthias:Squareback Male :: Eastern Asia
Anthias:Tierra, Female :: South Asia
Basslets:Harlequin :: East Americas
Basslets:Royal Gramma :: East Americas
Batfish:Pinnatus :: Eastern Asia
Blennies MAC Certified:Canary :: Fiji
Blennies MAC Certified:Sailfin, Golden :: Fiji
Blennies MAC Certified:Starry :: Philippines
Blennies:Horseface :: West Americas
Blennies:Midas :: South Asia
Blennies:Rhino :: East Americas
Blennies:Spotted, Orange :: South Asia
Butterflies MAC Certified:Auriga :: Fiji
Butterflies MAC Certified:Saddleback :: Fiji
Clownfish Aquacultured:Tomato :: East Americas
Damsels MAC Certified:3 - Stripe :: Fiji
Damsels MAC Certified:Fiji Blue Devil :: Fiji
Damsels:Blue Green :: Central Pacific
Damsels:Blue Velvet :: Eastern Asia
Damsels:Orangetail Blue, Male :: Eastern Asia
Damsels:Sergeant Major :: Eastern Asia
Damsels:Sergeant Major :: Eastern Asia
Dottyback Aquacultured:Springeri :: East Americas
Dottyback:Yellow :: Eastern Asia
Dragonets:Mandarin Green :: Eastern Asia
Filefish:Matted "Aiptasia-Eating" Leatherjacket :: Eastern Asia
Fire Eel
Gobies MAC Certified:Sleeper Golden Head :: Fiji
Gobies:Green Band :: East Americas
Gobies:Two Spot Signal :: Eastern Asia
Pink Kisser
Puffers:Arothron, Dogface Yellow Phase :: Central
Puffers:Porcupine :: East Americas
Puffers:Stripe Narrow Line Toadfish :: Eastern Asia
Shell, Snails:Cerith :: East Americas
Shell, Snails:Conehead Algae Eater :: East Americas
Shrimps:Cleaner / Scarlet Skunk :: South Asia
Shrimps:Coral Banded :: Eastern Asia
Tangs MAC Certified:Scopas :: Fiji
Tangs:Mimic, Half Black :: Eastern Asia
Tangs:Purple :: Africa / Red Sea
Tangs:Sailfin, Desjardinii :: South Asia
Tangs:Yellow Belly Hippo Juvenile :: Africa / Red Sea
Toadfish:Toadfish, Orange :: East Americas
Triggers:Clown, Conspicillum :: Eastern Asia
Triggers:Humu, Picasso :: South Asia
Triggers:Yellowmargin Adult :: Eastern Asia
Wrasses:Cleaner Common :: Eastern Asia
Wrasses:Multicolor Fairy :: Eastern Asia
Wrasses:Neon :: East Americas
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2 days ago

The Hidden Reef, Inc

NEW Discus arrived. #thehiddenreef ... See MoreSee Less

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Red Jaguar Discus
Red Turquoise Discus
Hi Body White Butterfly Discus
Red Melon Discus
Galaxy Royal Turquoise Discus
Snake Skin Line Discus
Hi Body Blue Diamond Discus
Tiger Turquoise Discus
Mercury & WB Discus
Galaxy Royal Turquoise Discus
Pigeon Snake Cross Discus
Albino WB Yellow Discus
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2 days ago

The Hidden Reef, Inc

New Discus arrivals at The Hidden Reef #thehiddenreef #discus ... See MoreSee Less

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Glo Baby Glo

The front of the store has an array of aquariums, supplies, frozen foods, and all the essential plumbing supplies needed to set up and maintain an aquarium or pond.