Species Catalogue
1,580 species — care guides, community photos, water parameters, and tank-mate compatibility.
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All guides →Black King Kong Shrimp
Caridina logemanni
Black Lace Angelfish
Pterophyllum scalare
Black Lyretail Molly
Poecilia sphenops
Black Mystery Snail
Pomacea bridgesii
Black Paradisefish
Macropodus spechti
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
Blackedge Tetra
Tyttocharax madeirae
Blackfin Pearlfish
Austrolebias nigripinnis
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
Bleher's Rainbowfish
Chilatherina bleheri
Blind Cave Tetra
Astyanax mexicanus
Blue Acara
Andinoacara pulcher
Blue Assessor
Assessor macneilli
Blue Axelrodi Rasbora
Sundadanio axelrodi blue
Blue Badis
Badis badis
Blue Bolt Pinto Shrimp
Caridina logemanni
Blue Diamond Discus
Symphysodon sp.
Blue Gourami
Trichopodus trichopterus
Blue Grass Guppy
Poecilia reticulata
Blue Gularis Killifish
Fundulopanchax sjoestedti
Blue King Kong Shrimp
Caridina logemanni
Blue Leg Poso Prawn
Macrobrachium latidactylus
Blue Medaka
Oryzias latipes
Blue Moon Crayfish
Cherax pulcher
Blue Panchax
Aplocheilus panchax
Blue Pearl Shrimp
Neocaridina zhangjiajiensis var. Blue Pearl
Blue Phantom Pleco
Hemiancistrus sp.
Blue Pincher Macro
Macrobrachium vollenhovenii