FinsHQ Encyclopedia

Fish & Livestock

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

5,412 species

beginner

Blue Chromis

Chromis cyanea

15 cm150 L2327°C
Moderate

Blue Cochu Tetra

Boehlkea fredcochui

5 cm60 L2328°C
beginner

Blue Cory

Corydoras nattereri

6 cm60 L2025°C
beginner

Blue Crayfish

Procambarus alleni

13 cm100 L1828°C
intermediate

Blue Crayfish (Procambarus alleni)

Procambarus alleni

12 cm60 L1825°C
beginner

Blue Crayfish Juvenile

Procambarus alleni

12 cm40 L1827°C
beginner

Blue Danio

Danio kerri

4 cm40 L1825°C
beginner

Blue Dart Goby

Ptereleotris sp.

10 cm115 L2427°C
intermediate

Blue Destructor Crayfish

Cherax destructor (blue morph)

20 cm150 L1525°C
advanced

Blue Diamond Discus

Symphysodon aequifasciatus var.

20 cm250 L2831°C
advanced

Blue Discus

Symphysodon aequifasciatus

20 cm200 L2831°C
advanced

Blue Discus (Wild Type)

Symphysodon aequifasciatus

20 cm300 L2831°C
intermediate

Blue Dolphin Cichlid

Cyrtocara moorii

25 cm400 L2428°C
Beginner

Blue Dream Neocaridina Shrimp

Neocaridina davidi var. 'Blue Dream'

3 cm20 L1828°C
beginner

Blue Dream Shrimp

Neocaridina davidi var.

3 cm20 L1826°C
beginner

Blue Dream Shrimp (Neocaridina davidi 'Blue Dream')

Neocaridina davidi

3 cm10 L1826°C
beginner

Blue Dwarf Crayfish

Cambarellus texanus

4 cm40 L1825°C
beginner

Blue Emperor Tetra (Inpaichthys kerri)

Inpaichthys kerri

3.5 cm40 L2328°C
beginner

Blue Eye Bristlenose (Ancistrus sp. 'Blue Eye')

Ancistrus sp.

12 cm100 L2227°C
Blue Eyes Lemon Bushfish (Ctenopoma acutirostre)
intermediate

Blue Eyes Lemon Bushfish (Ctenopoma acutirostre)

Ctenopoma acutirostre

15 cm150 L2328°C
intermediate

Blue Flash Cichlid

Thorichthys aureus

15 cm200 L2228°C
beginner

Blue Grass Guppy Male

Poecilia reticulata var.

5 cm60 L2228°C
intermediate

Blue Gularis Killifish

Fundulopanchax sjoestedti

12 cm80 L2226°C
Blue Gularis Killifish (Fundulopanchax sjoestedti)
intermediate

Blue Gularis Killifish (Fundulopanchax sjoestedti)

Fundulopanchax sjoestedti

13 cm60 L2226°C
Beginner

Blue Jelly Shrimp

Neocaridina davidi var. 'Blue Jelly'

3 cm20 L1828°C
Advanced

Blue King Kong Shrimp

Caridina cantonensis var. 'Blue King Kong'

2.5 cm30 L2023°C
beginner

Blue King Tetra

Boehlkea fredcochui

5 cm80 L2327°C
intermediate

Blue Leg Poso Shrimp

Caridina poso

2 cm30 L2730°C
beginner

Blue Legged Hermit Crab (Clibanarius digueti)

Clibanarius digueti

2 cm40 L2227°C
advanced

Blue Linckia Starfish

Linckia laevigata

30 cm200 L2327°C
advanced

Blue Marlboro Discus

Symphysodon aequifasciatus

20 cm200 L2831°C
beginner

Blue Mirror Platy

Xiphophorus maculatus var.

6 cm60 L2026°C
intermediate

Blue Moon Crab

Discoplax hirtipes

12 cm100 L2428°C
intermediate

Blue Moon Crayfish

Cherax sp. 'Blue Moon'

18 cm120 L2227°C
beginner

Blue Moscow Guppy Male

Poecilia reticulata var.

5 cm60 L2228°C
intermediate

Blue Neon Cichlid

Paracyprichromis nigripinnis

9 cm150 L2427°C
intermediate

Blue Neon Stiphodon Goby

Stiphodon atropurpureus

4 cm30 L2226°C
intermediate

Blue Oranda Goldfish

Carassius auratus

20 cm150 L1022°C
beginner

Blue Orchid Peacock

Aulonocara kandeensis

15 cm200 L2328°C
beginner

Blue Orfe Medium

Leuciscus idus

50 cm2000 L422°C
beginner

Blue Orfe Small

Leuciscus idus

50 cm1000 L422°C
intermediate

Blue Oscar

Astronotus ocellatus

35 cm400 L2328°C
beginner

Blue Panchax

Poropanchax normani

4 cm40 L2226°C
Blue Panda Guppy Male (Poecilia reticulata var.)
beginner

Blue Panda Guppy Male (Poecilia reticulata var.)

Poecilia reticulata var.

6 cm40 L2228°C
intermediate

Blue Phantom Pleco L128

Hemiancistrus sp. L128

20 cm180 L2630°C
intermediate

Blue Phantom Pleco L128 (Hemiancistrus sp.)

Hemiancistrus sp. L128

25 cm150 L2226°C
beginner

Blue Platy

Xiphophorus maculatus

6 cm60 L1828°C
beginner

Blue Ramshorn Snail

Planorbella duryi var.

3 cm10 L1525°C
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