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

The Hidden Reef #thehiddenreef ... See MoreSee Less

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The Hidden Reef Planted 250 Gallon Store Display #thehiddenreef ... See MoreSee Less

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Just received a Reef XL 200 In Stock Now. ... See MoreSee Less

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3 days ago

The Hidden Reef, Inc

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Twinspot Wrasse #thehiddenreef ... See MoreSee Less

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PLECO BUSHY NOSE-3"
TETRA WHITE CLOUDS GOLD -L
TETRA SERPAE-M
TETRA COLOMBIAN RED FIN -L
TETRA NEON-FLORIDA-L
PARROT SUPER RED-L
TETRA NEON BLACK-L
HATCHET SILVER-L
RASBORA EYESPOT-M
ANGEL ASST.-SM
TETRA EXODON BUCKTOOTH-L
SHRIMP SUPER RED CHERRY-X
SHRIMP ORANGE SUNKIST
SHRIMP BLUE VELVET-L
PLECO CLOWN-M
PLECO-3"
PLECO-5"
GUPPY ASST. FEMALE-X
GUPPY ASST. MALE-X
GUPPY DUMBO MALE
GUPPY ASST. LYRETAIL MALE-L
DANIO LEOPARD-L
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Hope everyone stays safe #thehiddenreef Open from 10-6 ... See MoreSee Less

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6 days ago

The Hidden Reef, Inc

Orange and Blue #thehiddenreef @ The Hidden Reef, Inc ... See MoreSee Less

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Flame Angel: Mar. - Centropyge loriculus
Koran Angel: Changing - Pomacanthus semicirculatus
Lemonpeel Angel; Mar. - Centropyge flavissima
Multicolor Angel; Mar. - Centropyge multicolor
Ignitus Anthias: Male - Pseudanthias ignitus
Burgess Butterfly - Chaetodon burgessi
Saddleback Butterfly - Chaetodon ephippium
Yellow Longnose B/F; Haw - Forcipiger longirostris
Banner (Bangai) Cardinal - Pterapogon kauderni
Assorted Damsel - Pomacentrus sp.
Assorted Goatfish - Parupeneus sp.
Blue Gudgeon Goby - Ptereleotris heteroptera
Bumblebee (Wheeleri) Goby - Amblyeleotris wheeleri
Engineer (Neon) Goby - Pholidychtys luecotaenia
Panther Grouper; Tank Raised - Cromileptes altivelis
Bicolor Parrotfish - Cetoscarus bicolor
Rainbow Pseudochromis - Pseudochromis sp.
Striped Dogface Puffer - Arothron manilensis
Yellow Line Snapper - Pentapodus nemurus
Blue (Hippo) Tang - Paracanthurus hepatus
Bluehead Wrasse; Atl. - Thalassoma bifasciatum
Disappearing Wrasse; Haw. - Pseudocheilius evanidus
Green Bird Wrasse - Gomphosus varius
Lime Green Wrasse; Aus. - Thalassoma lutescens
Lunare Wrasse - Thalassoma lunare
Orange Spotted Tuskfish - Choerodon anchorago
Red Margin Fairy: Male - Cirrhilabrus rubromarginalis
Saddle Anemone: Colored - Stichodactyla haddoni
Brain Coral: Green ; Australia - Trachyphyllia geoffroyi
ACRO EACH RED DRAGON
ACRO EACH ULTRA GREEN
Duncanops: Green; Australia. (1-5 polyps) - Ducanopsammir
Goniopora Coral: Green - Goniopora sp.
Trumpet Coral: Colored - Caulastraea species
Colt Soft Coral - Alcyonium sp. w/ Scleractinia
Crown Leather - Lobophytum sp. w/ Scleractinia
Finger Leather - Sinularia sp. w/scleractinia
Finger Leather: Neon Green - Sinularia sp. w/scleractinia
Rasta Leather: Green - Sinularia sp. w/scleractinia
Rasta Leather: Green - Sinularia sp. w/scleractinia
Rasta Leather: Neon Green - Sinularia sp. w/scleractinia
Umbrella Leather, Green Polyp, Australia - Sarcophytum sp.
Umbrella Leather - Sarcophyton sp. w/scleractinia
Emerald Crab; Atl. - Dromidiopsis edwardsi
Astrea Snail; Atl - Lithopoma tectum
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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.