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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

Winemilleri Eartheater (Orinoco)

Geophagus winemilleri

22 cm250 L25–29°C

intermediate

Wissel Lakes Rainbowfish

Melanotaenia sp. 'Wissel Lakes'

10 cm150 L22–26°C

Intermediate

Wistulanus Danio

Danio wistulanus

4.5 cm45 L20–26°C

advanced

Wolf Cichlid

Parachromis dovii

70 cm1000 L24–30°C

advanced

Wolf's Hemiloricaria

Hemiloricaria wolfi

14 cm80 L23–28°C

advanced

Wolff's Catfish

Mystus wolffii

60 cm1000 L22–28°C

intermediate

Wolterstorff's Pearlfish

Austrolebias wolterstorffi

8 cm40 L15–22°C

Wood Shrimp — Juvenile (2-3cm)

Wood Shrimp — Large Adult Select (Atyopsis sp.)

Wood Shrimp (Atyopsis sp.)

Wood Shrimp (Atyopsis sp.) — 3-pack

intermediate

Wood's Talking Catfish

Rhynchodoras woodsi

18 cm200 L22–28°C

intermediate

Woosnam's Synodontis

Synodontis woosnami

20 cm200 L22–27°C

advanced

World's Smallest Fish (Paedocypris progenetica)

Paedocypris progenetica

1 cm20 L24–28°C

intermediate

Wouri Krib

Pelvicachromis taeniatus 'Wouri'

9 cm80 L24–27°C

intermediate

Woworae Medaka

Oryzias woworae

3 cm30 L25–29°C

intermediate

Wrestling Halfbeak

Dermogenys pusilla

7 cm60 L22–28°C

Intermediate

Wrestling Halfbeak (Dermogenys pusilla)

Dermogenys pusilla

7 cm60 L22–28°C

intermediate

Wu's Sinogastromyzon

Sinogastromyzon wui

6 cm80 L18–24°C

intermediate

Wuyanling Rhinogobius (Rhinogobius wuyanlingensis)

Rhinogobius wuyanlingensis

5 cm60 L16–22°C

advanced

Wyck's Hemibagrus

Hemibagrus wyckioides

130 cm1000 L22–28°C

beginner

X-Ray Tetra

Pristella maxillaris

4.5 cm60 L24–28°C

Beginner

X-Ray Tetra (Pristella maxillaris)

Pristella maxillaris

5 cm60 L22–28°C

advanced

Xanthic Flash Pleco L076

Hypancistrus sp. xanthic (L076)

18 cm150 L26–30°C

advanced

Xanthic Magnum Pleco L034

Hypancistrus sp. xanthic (L034)

28 cm250 L25–29°C

advanced

Xanthic Mustard Spot Pleco L107

Hemiancistrus sp. xanthic (L107)

22 cm180 L25–29°C

intermediate

Xanthic Pleco L020

Pterygoplichthys sp. xanthic (L020)

30 cm250 L24–29°C

intermediate

Xanthichthys auromarginatus Blue Throat Triggerfish

Xanthichthys auromarginatus

22 cm400 L24–27°C

advanced

Xenagoniates Tetra

Xenagoniates bondi

4 cm60 L24–28°C

intermediate

Xenomystus Nigri

Xenomystus nigri

Xenoophorus captivus

Xenotaenia resolanae

Xenotilapia bathyphila

12 cm200 L24–27°C

intermediate

Xenotilapia boulengeri

10 cm200 L24–27°C

intermediate

Xenotilapia flavipinnis

9 cm150 L24–27°C

intermediate

Xenotilapia melanogenys

11 cm200 L24–27°C

intermediate

Xenotilapia melanogenys 'Small Form'

Xenotilapia melanogenys

Xenotilapia nasus

Xenotilapia ochrogenys

10 cm150 L24–27°C

intermediate

Xenotilapia ochrogenys Tanganyika Sand Cichlid

Xenotilapia ochrogenys

Xenotilapia papilio

Xenotilapia spiloptera

11 cm200 L24–27°C

advanced

Xenotilapia spilopterus Tanganyika Sand Cichlid

Xenotilapia spilopterus

10 cm250 L25–27°C

advanced

Xingu Cory

Corydoras xinguensis

5 cm80 L24–28°C

Easy

Xingu Moenkhausia

Moenkhausia xinguensis

6 cm80 L24–28°C

advanced

Xingu Pike Cichlid

Crenicichla sp. 'Xingu'

25 cm300 L26–30°C

advanced

Xinguensis Cichlid

Retroculus xinguensis

28 cm350 L26–30°C

Advanced

Xinguensis Cichlid (Xingu)

Retroculus xinguensis

18 cm250 L26–30°C

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