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Fish & Livestock

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

6,160 species

beginner

Dwarf Pencilfish (Nannostomus marginatus)

Nannostomus marginatus

3.5 cm40 L23–28°C

beginner

Dwarf Petricola Catfish (Synodontis lucipinnis)

Synodontis lucipinnis

10 cm100 L24–28°C

intermediate

Dwarf Pike Characin

Acestrorhynchus minimus

15 cm200 L24–28°C

intermediate

Dwarf Pike Cichlid

Crenicichla regani

15 cm120 L24–28°C

intermediate

Dwarf Puffer

Carinotetraodon travancoricus

2.5 cm30 L22–28°C

beginner

Dwarf Rainbowfish

Melanotaenia maccullochi

7 cm80 L22–28°C

intermediate

Dwarf Rasbora (Boraras maculatus)

Boraras maculatus

2.5 cm20 L23–28°C

intermediate

Dwarf Snakehead (Channa andrao)

Channa andrao

15 cm100 L15–24°C

beginner

Dwarf Spotted Danio

Danio nigrofasciatus

4 cm40 L20–26°C

intermediate

Dwarf Suckermouth Mochokid

Chiloglanis sp.

6 cm60 L20–26°C

advanced

Dwarf Toothless Tetra

Elachocharax pulcher

2 cm30 L26–30°C

beginner

Dwarf Upside-Down Catfish

Synodontis petricola

10 cm120 L23–27°C

beginner

Dwarf Upside-Down Catfish (Synodontis petricola)

Synodontis petricola

12 cm100 L24–28°C

beginner

Dwarf Whiptail Catfish

Rineloricaria parva

9 cm40 L20–26°C

beginner

Dysichthys Banjo Catfish

Dysichthys coracoideus

18 cm100 L20–27°C

intermediate

Eacham Rainbowfish

Melanotaenia eachamensis

9 cm120 L22–26°C

beginner

Eagle Eye Zoanthid

Zoanthus sp.

3 cm40 L24–27°C

intermediate

East African Squeaker

Synodontis afrofischeri

22 cm200 L22–27°C

intermediate

Eastern Cape Rocky

Sandelia bainsii

20 cm120 L16–22°C

beginner

Eastern Mosquitofish

Gambusia holbrooki

6 cm60 L14–28°C

beginner

Eastern Rainbowfish

Melanotaenia splendida

10 cm120 L22–28°C

beginner

Eastern Rainbowfish (Melanotaenia splendida splendida)

Melanotaenia splendida splendida

12 cm120 L22–28°C

beginner

Ecsenius bicolor 'Bicolor Blenny'

Ecsenius bicolor

11 cm80 L24–27°C

advanced

Edds' Balitora

Balitora eddsi

7 cm80 L18–24°C

advanced

Edith's Betta (Betta edithae)

Betta edithae

9 cm80 L23–27°C

beginner

Eel Kuhli Loach

Pangio anguillaris

10 cm60 L24–29°C

intermediate

Egg Phoenix Tricolor Goldfish

Carassius auratus

18 cm120 L10–22°C

intermediate

Egger's Nothobranch

Nothobranchius eggersi

5 cm30 L20–26°C

intermediate

Eggfish Oranda Red Goldfish

Carassius auratus

18 cm120 L10–22°C

beginner

Egyptian Mouthbrooder

Pseudocrenilabrus multicolor

7.5 cm60 L22–28°C

intermediate

Eibli Pygmy Angelfish (Centropyge eibli)

Centropyge eibli

15 cm150 L22–27°C

intermediate

Eigemann's Hemiloricaria

Hemiloricaria eigenmanni

13 cm80 L23–27°C

intermediate

Eigenmann's Whiptail

Rineloricaria eigenmanni

14 cm100 L22–26°C

advanced

Eigenmanni Piranha

Serrasalmus eigenmanni

25 cm350 L24–28°C

intermediate

Eight Line Wrasse (Pseudocheilinus octotaenia)

Pseudocheilinus octotaenia

14 cm150 L23–27°C

beginner

Eight-line Flasher Wrasse

Paracheilinus octotaenia

7 cm150 L24–27°C

intermediate

Einthoven's Rasbora

Rasbora einthovenii

8 cm80 L22–28°C

intermediate

Eirmotus octozona Eight-Banded False Barb

Eirmotus octozona

3 cm30 L23–27°C

intermediate

El Dorado Cory

Corydoras eldoradensis

5 cm60 L22–26°C

beginner

Elacatinus figaro Barber Goby

Elacatinus figaro

5 cm50 L24–27°C

beginner

Elacatinus oceanops 'Neon Goby'

Elacatinus oceanops

3.5 cm40 L24–27°C

advanced

Elachocharax Tetra

Elachocharax pulcher

2 cm20 L24–28°C

beginner

Elachys Tetra (Hyphessobrycon elachys)

Hyphessobrycon elachys

2.5 cm40 L22–26°C

intermediate

Elbert's Killifish

Aphyosemion elberti

5 cm40 L20–24°C

Electric Blue + CPO Crayfish Display Duo

beginner

Electric Blue Acara

Andinoacara pulcher

18 cm150 L20–26°C

beginner

Electric Blue Acara (Andinoacara pulcher)

Andinoacara pulcher

17 cm150 L22–28°C

beginner

Electric Blue Acara High Colour

Andinoacara pulcher

20 cm200 L23–28°C

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