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All Species

1,268 species. Search by name, or refine by care needs.

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Black Swordtail

Xiphophorus helleri var. "Black"

Care level
Intermediate
Adult size
14 cm
Minimum tank
108 litres
Temperature
16–28 °C

Black Venezuela Corydoras

Osteogaster aenea var. "Black Venezuela"

Care level
Beginner
Adult size
5–6.5 cm
Minimum tank
75 litres
Temperature
21–28 °C

Black-Bellied Limia

Limia melanogaster

Care level
Beginner
Adult size
4 cm
Minimum tank
54 litres
Temperature
22–28 °C

Black-winged Hatchetfish

Carnegiella marthae

Care level
Beginner
Adult size
2.8 cm
Minimum tank
54 litres
Temperature
20–28 °C

Blacknose Butterfly Barb

Enteromius candens

Care level
Intermediate
Adult size
3.5 cm
Minimum tank
40 litres
Temperature
17–24 °C

Blackstripe Corydoras

Hoplisoma bondi

Care level
Intermediate
Adult size
4–5.5 cm
Minimum tank
75 litres
Temperature
22–27 °C

Blacktop Corydoras

Corydoras acutus

Care level
Intermediate
Adult size
5.5–7 cm
Minimum tank
100 litres
Temperature
22–27 °C

Bleeding Heart Platy

Xiphophorus maculatus var. "Bleeding Heart"

Care level
Intermediate
Adult size
5 cm
Minimum tank
54 litres
Temperature
20–26 °C

Bleeding Heart Tetra

Megalamphodus erythrostigma

Care level
Intermediate
Adult size
6 cm
Minimum tank
81 litres
Temperature
21–28 °C

Blood Tailed Danio

Devario annandalei

Care level
Intermediate
Adult size
7–9 cm
Minimum tank
180 litres
Temperature
20–26 °C

Bloodfin Tetra

Aphyocharax anisitsi

Care level
Beginner
Adult size
5.5 cm
Minimum tank
54 litres
Temperature
18–28 °C

Bloody Mary Shrimp

Neocaridina davidi

Care level
Beginner
Adult size
3–4 cm
Minimum tank
20 litres
Temperature
18–26 °C

Blue Bolt Shrimp

Caridina logemanni

Care level
Intermediate
Adult size
2–3 cm
Minimum tank
20 litres
Temperature
19–24 °C

Blue Botia

Yasuhikotakia modesta

Care level
Advanced
Adult size
17.5–25 cm
Minimum tank
400 litres
Temperature
24–30 °C

Blue Cheek Dwarf Cichlid

Apistogramma eunotus

Care level
Intermediate
Adult size
4.5–7 cm
Minimum tank
60 litres
Temperature
23–30 °C

Blue Crayfish

Procambarus alleni

Care level
Advanced
Adult size
10–15 cm
Minimum tank
75 litres
Temperature
20–26 °C

Blue Danio

Danio kerri

Care level
Intermediate
Adult size
4–5 cm
Minimum tank
72 litres
Temperature
18–26 °C

Blue Diamond Discus

Symphysodon aequifasciatus var. "Blue Diamond"

Care level
Advanced
Adult size
15–18 cm
Minimum tank
350 litres
Temperature
27–31 °C

Blue Diamond Rili Shrimp

Neocaridina davidi

Care level
Beginner
Adult size
3–4 cm
Minimum tank
20 litres
Temperature
18–26 °C

Blue Diamond Tetra

Alestopetersius smykalai

Care level
Intermediate
Adult size
6 cm
Minimum tank
108 litres
Temperature
20–28 °C

Blue Discus

Symphysodon aequifasciatus var. "Blue"

Care level
Advanced
Adult size
12–15 cm
Minimum tank
350 litres
Temperature
28–30 °C

Blue Dolphin Cichlid

Cyrtocara moorii

Care level
Advanced
Adult size
25 cm
Minimum tank
217 litres
Temperature
25–29 °C

Blue Dragon Caridina Shrimp

Caridina spp.

Care level
Intermediate
Adult size
2–3 cm
Minimum tank
20 litres
Temperature
20–23 °C

Blue Dream Shrimp

Neocaridina davidi

Care level
Beginner
Adult size
3–4 cm
Minimum tank
20 litres
Temperature
18–26 °C

Blue Fin Hillstream Loach

Gastromyzon aeroides

Care level
Specialist
Adult size
4.2–6 cm
Minimum tank
60 litres
Temperature
20–25 °C

Blue Harlequin Rasbora

Trigonostigma heteromorpha var. Blue

Care level
Beginner
Adult size
4.5 cm
Minimum tank
54 litres
Temperature
21–28 °C

Blue Jelly Shrimp

Neocaridina davidi

Care level
Beginner
Adult size
3–4 cm
Minimum tank
20 litres
Temperature
18–26 °C

Blue Line Rasbora

Rasbora sarawakensis

Care level
Beginner
Adult size
5 cm
Minimum tank
87 litres
Temperature
22–26 °C

Blue Moon Danio

Devario xyrops

Care level
Specialist
Adult size
6–7.7 cm
Minimum tank
100 litres
Temperature
18–26 °C