Care guides for freshwater fish, marine species, and invertebrates — including water parameters, tank requirements, and where to buy.
6,160 species
Herichthys tamasopoensis
Herichthys tamasopoensis
Heros efasciatus (Manacapuru)
Heros efasciatus
Heros efasciatus (Santarém)
Heros efasciatus
Heros efasciatus (Tefé)
Heros efasciatus
Heros efasciatus Gold Severum
Heros efasciatus var.
Heros efasciatus Green Severum
Heros efasciatus
Heros efasciatus Rotkeil Severum
Heros efasciatus
Heros efasciatus Severum
Heros efasciatus
Heros liberifer
Heros liberifer
Heros liberifer (Green Form)
Heros liberifer
Heros liberifer (Yellow Form)
Heros liberifer
Heros notatus
Heros notatus
Heros severus Severum
Heros severus
Heros spurius
Heros spurius
Heterandria formosa
Heterandria formosa
Heterandria formosa Least Killifish 10-Pack
Heterandria formosa
Heterobranchus Catfish
Heterobranchus longifilis
Hi Ogon
Cyprinus rubrofuscus (domesticated koi)
Hi Utsuri
Cyprinus rubrofuscus (domesticated koi)
Hi-Fin Lyretail Swordtail Male
Xiphophorus hellerii var.
Hi-Fin Platy
Xiphophorus maculatus (captive bred)
Hi-Fin Swordtail Red
Xiphophorus hellerii (captive bred)
Hi-Fin Wagtail Platy
Xiphophorus maculatus var.
Hidden-toothed Planiloricaria
Planiloricaria cryptodon
High Body Red Turquoise Discus
Symphysodon aequifasciatus (captive bred)
High Body Snakeskin Discus
Symphysodon aequifasciatus (captive bred)
High-backed Headstander
Abramites hypselonotus
High-backed Silver Dollar
Metynnis hypsauchen
High-Quality Ranchu Japanese Goldfish
Carassius auratus
Highfin Blenny (Atrosalarias fuscus)
Atrosalarias fuscus
Higoi Red Carp Medium
Cyprinus rubrofuscus (domesticated koi)
Higoi Red Carp Small
Cyprinus rubrofuscus (domesticated koi)
Hikari Danio
Danio feegradei
Hillstream Loach
Gastromyzon borneensis

Hillstream Loach (Sewellia lineolata)
Sewellia lineolata
Himedaka Orange Medaka
Oryzias latipes
Hippocampus kuda Yellow Seahorse
Hippocampus kuda
Hippocampus reidi Longsnout Seahorse Pair
Hippocampus reidi
Hippolyta Apisto
Apistogramma hippolytae
Hippolyta Apistogramma
Apistogramma hippolytae
Hippolytae Apistogramma
Apistogramma hippolytae
Hisonotus depressicauda
Hisonotus depressicauda
Hisonotus insperatus
Hisonotus insperatus
Hockey Stick Tetra
Thayeria boehlkei
Hoigne's Apisto
Apistogramma hoignei
Hollandi Piranha
Serrasalmus hollandi
Holotaenia Hap
Taeniochromis holotaenia
Honduran Red Point Cichlid
Amatitlania siquia
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