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

beginner

Emerald Catfish

Corydoras splendens

8 cm80 L2226°C
Emerald Catfish (Corydoras splendens)
EASY

Emerald Catfish (Corydoras splendens)

Corydoras splendens

9 cm100 L2226°C
beginner

Emerald Catfish Brochis splendens

Corydoras splendens

9 cm100 L2428°C
beginner

Emerald Cory Brochis splendens

Corydoras splendens

9 cm100 L2226°C
beginner

Emerald Crab (Mithrax sculptus)

Mithrax sculptus

6 cm75 L2227°C
intermediate

Emerald Dwarf Rasbora

Microrasbora erythromicron

2 cm30 L2026°C
Emerald Dwarf Rasbora (Danio erythromicron)
MODERATE

Emerald Dwarf Rasbora (Danio erythromicron)

Danio erythromicron

3 cm40 L1825°C
beginner

Emerald Eye Rasbora

Brevibora dorsiocellata

3.5 cm40 L2227°C
Emerald Eye Rasbora (Rasbora dorsiocellata)
EASY

Emerald Eye Rasbora (Rasbora dorsiocellata)

Rasbora dorsiocellata

7 cm80 L2227°C
beginner

Emerald Green Catfish

Brochis splendens

9 cm100 L2228°C
intermediate

Emerald Laser Cory

Corydoras sp. CW016

5 cm60 L2226°C
beginner

Emerald Shiner

Notropis atherinoides

10 cm150 L1024°C
advanced

Emperor Angelfish (Pomacanthus imperator)

Pomacanthus imperator

40 cm500 L2227°C
advanced

Emperor Angelfish Adult Pomacanthus imperator

Pomacanthus imperator

38 cm600 L2427°C
beginner

Emperor Tetra

Nematobrycon palmeri

5.5 cm60 L2328°C
EASY

Emperor Tetra (Nematobrycon palmeri)

Nematobrycon palmeri

5 cm80 L2327°C
beginner

Empire Gudgeon

Hypseleotris compressa

12 cm100 L1828°C
Empire Gudgeon (Hypseleotris compressa)
MODERATE

Empire Gudgeon (Hypseleotris compressa)

Hypseleotris compressa

15 cm120 L1526°C
intermediate

Enantiopus melanogenys

Enantiopus melanogenys

14 cm300 L2427°C
advanced

Enantiopus sp. 'Kilesa'

Enantiopus sp. 'Kilesa'

14 cm300 L2427°C
beginner

Endler's Livebearer

Poecilia wingei

3.5 cm20 L2228°C
beginner

Endler's Livebearer 'Campoma'

Poecilia wingei

3 cm40 L2428°C
beginner

Endler's Livebearer 'El Tigre'

Poecilia wingei

3 cm40 L2428°C
beginner

Endler's Livebearer 'N-Class'

Poecilia wingei

3 cm40 L2428°C
beginner

Endler's Livebearer 'Staeck'

Poecilia wingei

3 cm40 L2428°C
Endler's Livebearer (Poecilia wingei)
EASY

Endler's Livebearer (Poecilia wingei)

Poecilia wingei

4 cm20 L2430°C
beginner

Endler's Livebearer Black Bar Male

Poecilia wingei var.

3 cm30 L2228°C
beginner

Endler's Livebearer El Silverado Male

Poecilia wingei 'El Silverado'

3 cm30 L2228°C
beginner

Endler's Livebearer Japan Blue Male

Poecilia wingei x reticulata hybrid

3.5 cm30 L2228°C
beginner

Endler's Livebearer Lime Green Male

Poecilia wingei var.

3 cm30 L2228°C
beginner

Endler's Livebearer Peacock Male

Poecilia wingei var.

3 cm30 L2228°C
Easy

Endler's Livebearer Poecilia wingei 10-Pack

Poecilia wingei

3.5 cm20 L2228°C
beginner

Endler's Livebearer Poecilia wingei Male 6-Pack

Poecilia wingei

3 cm20 L2028°C
beginner

Endler's Livebearer Tiger Male

Poecilia wingei var.

3 cm30 L2228°C
advanced

Endlicheri Bichir (Polypterus endlicheri)

Polypterus endlicheri

75 cm600 L2428°C
Intermediate

Engraulicypris sardella

Engraulicypris sardella

8 cm150 L2428°C
intermediate

Ensenadita Apisto

Apistogramma sp. 'Ensenadita'

6 cm60 L2429°C
advanced

Enterochromis paropius

Enterochromis paropius

13 cm200 L2227°C
intermediate

Eos Loach

Yasuhikotakia eos

8 cm80 L2328°C
advanced

Epactionotus bilineatus

Epactionotus bilineatus

4 cm40 L1522°C
Moderate

Epicharis Tetra

Hyphessobrycon epicharis

4.5 cm60 L2529°C
intermediate

Epiplatys annulatus 'Clown Killifish' Pair

Epiplatys annulatus

3.5 cm15 L2327°C
intermediate

Eques Pencilfish

Nannostomus eques

5 cm60 L2328°C
Easy

Eques Tetra

Hyphessobrycon eques

4 cm40 L2228°C
Intermediate

Erythromicron Danio

Danio erythromicron

3 cm30 L2024°C
advanced

Erythrura Apistogramma

Apistogramma erythrura

6 cm60 L2630°C
beginner

Escenius midas Midas Blenny

Ecsenius midas

13 cm100 L2427°C
Beginner

Esomus caudiocellatus

Esomus caudiocellatus

5 cm45 L2228°C
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