Species Catalogue
1,376 species — care guides, community photos, water parameters, and tank-mate compatibility.
Black Molly
Poecilia sphenops
Black Moor Goldfish
Carassius auratus
Black Mystery Snail
Pomacea bridgesii
Black Neon Tetra
Hyphessobrycon herbertaxelrodi
Black Paradisefish
Macropodus spechti
Black Phantom Tetra
Megalamphodus megalopterus
Black Rabbit Snail
Tylomelania cerea
Black Racer Nerite Snail
Neritina pulligera
Black Rili Shrimp
Neocaridina davidi
Black Rose Shrimp
Neocaridina davidi
Black Sailfin Molly
Poecilia latipinna
Black Skirt Tetra
Gymnocorymbus ternetzi
Black Swordtail
Xiphophorus hellerii
Black-Winged Hatchetfish
Carnegiella marthae
Blackfin Pearlfish
Austrolebias nigripinnis
Bladder Snail
Physella acuta
Blanket Weed
Cladophora glomerata
Dense, rough-textured mats of dark green filaments that blanket pond plants and surfaces. Common in outdoor ponds and highly nutrient-rich tanks. More coarse and branched than soft hair algae. Difficult to eradicate fully — physically remove as much as possible before treating with algaecide or reducing nutrients aggressively.
Blastomussa
Blastomussa wellsi
Bleeding Heart Tetra
Hyphessobrycon erythrostigma
Blind Cave Tetra
Astyanax mexicanus
Blood Parrot Cichlid
Amphilophus citrinellus × Vieja melanurus
Bloodfin Tetra
Aphyocharax anisitsi
Bloody Mary Shrimp
Neocaridina davidi 'Bloody Mary'
Blue Assessor
Assessor macneilli
Blue Axelrodi Rasbora
Sundadanio axelrodi blue
Blue Bolt Pinto Shrimp
Caridina logemanni
Blue Bolt Shrimp
Caridina cantonensis var. 'Blue Bolt'
Blue Diamond Discus
Symphysodon sp.
beginnerBlue Dream Shrimp
Neocaridina davidi 'Blue Dream'
Blue Gourami
Trichopodus trichopterus
Blue Gularis Killifish
Fundulopanchax sjoestedti
Blue King Kong Shrimp
Caridina logemanni
Blue Leg Poso Prawn
Macrobrachium latidactylus
Blue Medaka
Oryzias latipes
Blue Mystery Snail
Pomacea bridgesii
Blue Phantom Pleco
Hemiancistrus sp.