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

Bichir / Senegal Bichir (Polypterus senegalus)

Polypterus senegalus

36 cm150 L2428°C
intermediate

Bichir Ansorgii

Polypterus ansorgii

55 cm300 L2630°C
intermediate

Bicolor Anthias

Pseudanthias bicolor

13 cm250 L2427°C
beginner

Bicolor Blenny (Ecsenius bicolor)

Ecsenius bicolor

11 cm80 L2428°C
intermediate

Bicolor Cichlid

Hypselecara coryphaenoides

25 cm300 L2630°C
beginner

Bicolor Dottyback

Pseudochromis bitaeniatus

6 cm75 L2427°C
intermediate

Bicolor Pygmy Angelfish (Centropyge bicolor)

Centropyge bicolor

15 cm150 L2226°C
intermediate

Big Lips Mbuna

Petrotilapia tridentiger

16 cm200 L2428°C
intermediate

Big-eye Cichlid

Acaronia nassa

20 cm250 L2529°C
beginner

Big-scale Sand Smelt

Atherina boyeri

8 cm80 L1525°C
intermediate

Bigeye Chub

Hybopsis amblops

8 cm60 L1224°C
advanced

Bignose Unicornfish (Naso vlamingii)

Naso vlamingii

60 cm700 L2428°C
advanced

Bigtooth River Stingray

Potamotrygon castexi

45 cm500 L2228°C
Easy

Bimaculated Astyanax

Astyanax bimaculatus

15 cm150 L2028°C
beginner

Biocellatus Figure-Eight (Java Form)

Tetraodon biocellatus

8 cm80 L2428°C
intermediate

Biotodoma cupido

Biotodoma cupido

14 cm180 L2630°C
intermediate

Biotodoma wavrini

Biotodoma wavrini

12 cm120 L2529°C
intermediate

Biotodoma wavrini (Orinoco Form)

Biotodoma wavrini

12 cm150 L2529°C
advanced

Biotoecus Dwarf Cichlid

Biotoecus opercularis

5 cm60 L2529°C
intermediate

Bird Wrasse (Gomphosus varius)

Gomphosus varius

30 cm300 L2427°C
intermediate

Bird's Nest Coral

Seriatopora hystrix

20 cm150 L2427°C
intermediate

Bitterling

Rhodeus sericeus

9 cm60 L1020°C
intermediate

Bitterling (Rhodeus amarus)

Rhodeus amarus

9 cm500 L422°C
advanced

Black Arowana

Osteoglossum ferreirai

100 cm600 L2430°C
beginner

Black Aspidoras

Aspidoras albater

4 cm40 L2226°C
intermediate

Black Belt Cichlid

Vieja maculicauda

35 cm500 L2430°C
intermediate

Black Chiloglanis

Chiloglanis niger

7 cm60 L2025°C
intermediate

Black Crappie

Pomoxis nigromaculatus

38 cm500 L1024°C
advanced

Black Diamond Stingray

Potamotrygon leopoldi

45 cm600 L2630°C
advanced

Black Doradid

Oxydoras niger

120 cm2000 L2228°C
intermediate

Black Ghost Knife Fish

Apteronotus albifrons

50 cm250 L2428°C
Advanced

Black Ghost Knifefish

Apteronotus albifrons

50 cm300 L2328°C
beginner

Black Hi-Fin Platy

Xiphophorus maculatus var.

6 cm60 L2026°C
Advanced

Black King Kong Shrimp

Caridina cantonensis var. 'Black King Kong'

2.5 cm30 L2024°C
advanced

Black King Kong Shrimp (Caridina cantonensis 'Black King Kong')

Caridina cantonensis

2.5 cm20 L2024°C
beginner

Black Kuhli Loach

Pangio oblonga

10 cm60 L2430°C
beginner

Black Lace Angelfish

Pterophyllum scalare var.

15 cm150 L2428°C
Black Molly
beginner

Black Molly

Poecilia sphenops var.

10 cm80 L2328°C
beginner

Black Moor Goldfish

Carassius auratus

20 cm120 L1022°C
beginner

Black Neon Tetra

Hyphessobrycon herbertaxelrodi

4 cm60 L2428°C
Black Neon Tetra (Hyphessobrycon herbertaxelrodi)
beginner

Black Neon Tetra (Hyphessobrycon herbertaxelrodi)

Hyphessobrycon herbertaxelrodi

4 cm60 L2228°C
intermediate

Black Night Snakehead

Channa nox

22 cm150 L1826°C
intermediate

Black Oranda Goldfish

Carassius auratus

20 cm150 L1022°C
beginner

Black Orchid Betta Male

Betta splendens

7 cm20 L2430°C
intermediate

Black Oscar

Astronotus ocellatus

35 cm400 L2328°C
advanced

Black Pacu

Colossoma macropomum

100 cm2000 L2430°C
beginner

Black Paradise Fish

Macropodus opercularis

9 cm80 L1626°C
intermediate

Black Pearlfish

Cynolebias nigripinnis

5 cm30 L1522°C
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