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

Electric Blue Crayfish

Procambarus alleni (blue variant)

13 cm100 L1828°C

Electric Blue Crayfish — Juvenile

Electric Blue Crayfish (Procambarus alleni)

Electric Blue Crayfish (Procambarus alleni) — Large Adult Male

Electric Blue Crayfish (Procambarus alleni) — Pair

Electric Blue Crayfish Escape-Proof Lid Clip Set (4-pack)

intermediate

Electric Blue Hap

Sciaenochromis fryeri

18 cm300 L2428°C
beginner

Electric Blue Hermit Crab

Calcinus elegans

3 cm40 L2227°C
beginner

Electric Blue Hermit Crab (Calcinus elegans)

Calcinus elegans

3 cm40 L2327°C
intermediate

Electric Blue Jack Dempsey

Rocio octofasciata

20 cm250 L2428°C
intermediate

Electric Blue Ram

Mikrogeophagus ramirezi

7 cm60 L2630°C
advanced

Electric Catfish

Malapterurus electricus

100 cm600 L2228°C
advanced

Electric Eel

Electrophorus electricus

250 cm2000 L2428°C
intermediate

Electric Eel Knifefish

Eigenmannia virescens

50 cm300 L2330°C
beginner

Electric Yellow Cichlid

Labidochromis caeruleus

10 cm150 L2428°C
EASY

Electric Yellow Cichlid (Labidochromis caeruleus)

Labidochromis caeruleus

10 cm200 L2328°C
beginner

Electric Yellow Lab

Labidochromis caeruleus

10 cm150 L2328°C
advanced

Elegance Coral (Catalaphyllia jardinei)

Catalaphyllia jardinei

30 cm200 L2426°C
beginner

Elegant Cory

Corydoras elegans

5 cm60 L2226°C
beginner

Elegant Cory (Corydoras elegans)

Corydoras elegans

5.5 cm60 L2226°C
intermediate

Elegant Killifish

Aphyosemion elegans

7 cm40 L2226°C
intermediate

Elegant Pike Cichlid

Crenicichla elegans

18 cm180 L2428°C
beginner

Elegant Rasbora

Rasbora elegans

20 cm200 L2228°C
advanced

Elegant Stiphodon Goby (Stiphodon elegans)

Stiphodon elegans

4 cm60 L2226°C
intermediate

Elegant Unicornfish (Naso elegans)

Naso elegans

45 cm500 L2427°C
intermediate

Eleotris Melanosoma Sleeper

Eleotris melanosoma

25 cm200 L2228°C
beginner

Elephant Ear Yellow Guppy Male

Poecilia reticulata var.

5 cm60 L2428°C
advanced

Elephant Nose Fish

Gnathonemus petersii

25 cm200 L2328°C
Advanced

Elephantnose Fish

Gnathonemus petersii

25 cm200 L2328°C
advanced

Elephantnose Fish (Gnathonemus petersii)

Gnathonemus petersii

23 cm150 L2328°C
intermediate

Elliot's Cichlid

Thorichthys ellioti

15 cm200 L2228°C
intermediate

Elongate Hillstream Loach

Aborichthys elongatus

8 cm80 L1824°C
intermediate

Elongate Mbuna (Pseudotropheus elongatus)

Pseudotropheus elongatus

13 cm200 L2428°C
advanced

Elongate Pearlfish

Pterolebias longipinnis

12 cm80 L2026°C
advanced

Elongate Piranha

Serrasalmus elongatus

30 cm400 L2428°C
intermediate

Elongate River Loach

Aborichthys elongatus

12 cm80 L1825°C
intermediate

Elongate Spiny Loach

Cobitis elongatoides

14 cm80 L1022°C
intermediate

Elongate Stone Loach

Nemacheilus evezardi

8 cm60 L2026°C
intermediate

Elongate Surgeonfish (Acanthurus mata)

Acanthurus mata

50 cm550 L2427°C
intermediate

Elongated Dottyback

Pseudochromis elongatus

9 cm115 L2427°C
intermediate

Elongated Jewel Cichlid

Hemichromis elongatus

20 cm200 L2227°C
intermediate

Elongatus Cichlid

Lepidiolamprologus elongatus

20 cm200 L2427°C
intermediate

Elongatus Mbuna

Pseudotropheus elongatus

12 cm200 L2428°C
beginner

Ember Tetra

Hyphessobrycon amandae

2 cm40 L2328°C
Ember Tetra (Hyphessobrycon amandae)
EASY

Ember Tetra (Hyphessobrycon amandae)

Hyphessobrycon amandae

2 cm20 L2329°C
beginner

Ember Tetra Hyphessobrycon amandae 10-Pack

Hyphessobrycon amandae

2 cm20 L2328°C
intermediate

Emerald Betta

Betta smaragdina

7 cm40 L2428°C
intermediate

Emerald Betta (Betta smaragdina)

Betta smaragdina

6 cm40 L2428°C
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