FinsHQ Encyclopedia

Fish & Livestock

Care guides for freshwater fish, marine species, and invertebrates — including water parameters, tank requirements, and where to buy.

6,160 species

intermediate

Herichthys tamasopoensis

Herichthys tamasopoensis

25 cm300 L2228°C
intermediate

Heros efasciatus (Manacapuru)

Heros efasciatus

25 cm350 L2430°C
intermediate

Heros efasciatus (Santarém)

Heros efasciatus

25 cm350 L2429°C
intermediate

Heros efasciatus (Tefé)

Heros efasciatus

25 cm350 L2430°C
beginner

Heros efasciatus Gold Severum

Heros efasciatus var.

25 cm200 L2429°C
beginner

Heros efasciatus Green Severum

Heros efasciatus

25 cm200 L2429°C
beginner

Heros efasciatus Rotkeil Severum

Heros efasciatus

20 cm200 L2428°C
beginner

Heros efasciatus Severum

Heros efasciatus

20 cm250 L2428°C
intermediate

Heros liberifer

Heros liberifer

25 cm280 L2529°C
intermediate

Heros liberifer (Green Form)

Heros liberifer

22 cm300 L2429°C
intermediate

Heros liberifer (Yellow Form)

Heros liberifer

20 cm250 L2428°C
intermediate

Heros notatus

Heros notatus

28 cm400 L2429°C
beginner

Heros severus Severum

Heros severus

20 cm250 L2428°C
intermediate

Heros spurius

Heros spurius

26 cm400 L2429°C
beginner

Heterandria formosa

Heterandria formosa

2 cm20 L2026°C
Easy

Heterandria formosa Least Killifish 10-Pack

Heterandria formosa

3.5 cm15 L1626°C
advanced

Heterobranchus Catfish

Heterobranchus longifilis

100 cm2000 L2228°C
Beginner

Hi Ogon

Cyprinus rubrofuscus (domesticated koi)

65 cm1000 L525°C
Intermediate

Hi Utsuri

Cyprinus rubrofuscus (domesticated koi)

65 cm2000 L525°C
beginner

Hi-Fin Lyretail Swordtail Male

Xiphophorus hellerii var.

12 cm100 L2026°C
Beginner

Hi-Fin Platy

Xiphophorus maculatus (captive bred)

6 cm60 L2026°C
Beginner

Hi-Fin Swordtail Red

Xiphophorus hellerii (captive bred)

12 cm100 L2228°C
beginner

Hi-Fin Wagtail Platy

Xiphophorus maculatus var.

6 cm60 L2026°C
advanced

Hidden-toothed Planiloricaria

Planiloricaria cryptodon

22 cm150 L2328°C
Advanced

High Body Red Turquoise Discus

Symphysodon aequifasciatus (captive bred)

20 cm200 L2831°C
Advanced

High Body Snakeskin Discus

Symphysodon aequifasciatus (captive bred)

20 cm200 L2831°C
intermediate

High-backed Headstander

Abramites hypselonotus

14 cm150 L2228°C
beginner

High-backed Silver Dollar

Metynnis hypsauchen

15 cm200 L2428°C
Intermediate

High-Quality Ranchu Japanese Goldfish

Carassius auratus

20 cm150 L1022°C
beginner

Highfin Blenny (Atrosalarias fuscus)

Atrosalarias fuscus

14 cm100 L2428°C
Beginner

Higoi Red Carp Medium

Cyprinus rubrofuscus (domesticated koi)

70 cm2000 L425°C
Beginner

Higoi Red Carp Small

Cyprinus rubrofuscus (domesticated koi)

70 cm1000 L425°C
beginner

Hikari Danio

Danio feegradei

4 cm40 L2026°C
intermediate

Hillstream Loach

Gastromyzon borneensis

6 cm60 L2024°C
Hillstream Loach (Sewellia lineolata)
MODERATE

Hillstream Loach (Sewellia lineolata)

Sewellia lineolata

7 cm80 L1824°C
easy

Himedaka Orange Medaka

Oryzias latipes

4 cm20 L1028°C
advanced

Hippocampus kuda Yellow Seahorse

Hippocampus kuda

17 cm150 L2225°C
advanced

Hippocampus reidi Longsnout Seahorse Pair

Hippocampus reidi

17 cm150 L2024°C
intermediate

Hippolyta Apisto

Apistogramma hippolytae

7 cm60 L2529°C
intermediate

Hippolyta Apistogramma

Apistogramma hippolytae

6 cm60 L2529°C
Advanced

Hippolytae Apistogramma

Apistogramma hippolytae

6 cm60 L2630°C
intermediate

Hisonotus depressicauda

Hisonotus depressicauda

4 cm40 L1624°C
intermediate

Hisonotus insperatus

Hisonotus insperatus

4.5 cm40 L1624°C
Easy

Hockey Stick Tetra

Thayeria boehlkei

7 cm70 L2228°C
intermediate

Hoigne's Apisto

Apistogramma hoignei

7 cm60 L2529°C
advanced

Hollandi Piranha

Serrasalmus hollandi

30 cm400 L2228°C
intermediate

Holotaenia Hap

Taeniochromis holotaenia

22 cm350 L2427°C
beginner

Honduran Red Point Cichlid

Amatitlania siquia

12 cm120 L2228°C
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