Species
Browsing 350 species. Use the filters below to narrow down.
Pulin River Loach
FishSinogastromyzon puliensis
A flat, current-loving Taiwanese hillstream loach that clings to rocks like a living suction cup.
Purple Firefish
FishNemateleotris decora
A shy reef hoverer with a sail-like dorsal fin and vivid two-tone coloring.
Purple Pencilfish
FishNannostomus rubrocaudatus
Tiny, territorial, and blazing with red-purple color. A pencilfish with real attitude.
Pygmy Hatchetfish
FishCarnegiella myersi
Tiny, delicate, and built for the surface. The smallest hatchetfish of them all.
Pygmy Rasbora
FishBoraras maculatus
A pea-sized schooling fish that rewards patience with dazzling group displays.
Queen loach
FishBotia dario
A boldly barred loach with a curved profile and a complex social life.
Randall's pistol shrimp
InvertAlpheus randalli
The symbiotic pistol shrimp that teams up with gobies to rule the sandbed
Randall's Prawn-goby
FishAmblyeleotris randalli
A reef sand-dweller that shares its burrow with a pistol shrimp partner.
Redfin River Barb
FishCyclocheilichthys janthochir
A rarely imported Bornean cyprinid with vivid red fin markings and a gregarious personality.
Red-spotted Copeina
FishCopella eigenmanni
A small, peaceful Amazonian schooler with subtle charm and fascinating breeding behavior.
Redtail Notho
FishNothobranchius guentheri
A jewel-bright killifish that lives fast, dies young, and leaves drought-proof eggs.
Ripsaw Catfish
FishMegalodoras uranoscopus
A gentle giant catfish from the Amazon that travels in groups and growls.
Rocket Panchax
FishPseudepiplatys annulatus
A tiny West African killifish with bold bands and surprisingly shy habits.
Royal Clown Loach
FishLeptobotia pellegrini
China's boldly patterned loach needs a group and robust tankmates to thrive.
Ruby Tetra
FishAxelrodi riesei
A tiny red gem from Colombia that rewards patient, species-focused keepers.
Saddle Butterflyfish
FishChaetodon ephippium
A boldly patterned butterflyfish with a dramatic dark saddle across its back.
Sarasin's Minnow
FishOryzias sarasinorum
A rare Sulawesi ricefish with a truly bizarre egg-carrying trick
Scaleless Killifish
FishAphanius asquamatus
A nearly scaleless relic from a single Turkish lake, built for dedicated keepers.
Scarlet-and-gold Star Coral
CoralBalanophyllia (Balanophyllia) regia
A brilliant cold-water coral that thrives in low light and modest flow.
Scarlet Badis
FishDario dario
Tiny Indian badid with iridescent blue bars and big personality in a nano tank.
Scheeli Killifish
FishFundulopanchax scheeli
A gentle rainforest killifish that rewards patient, thoughtful aquascapers.
Scissortail Barb
FishRasbora rasbora
A large, peaceful schooling rasbora rarely seen outside specialist collections.
Scissortail Dartfish
FishPtereleotris evides
A graceful reef dartfish that hovers in open water and pairs for life.
Scooter Blenny
FishSynchiropus ocellatus
A reef-floor hunter with detailed patterns and a surprisingly long lifespan.
Scott's Wrasse
FishCirrhilabrus scottorum
A brilliantly colored fairy wrasse that rewards patient, experienced reef keepers.
Sea Pony
FishHippocampus fuscus
A monogamous, eelgrass-dwelling seahorse from the Indian Ocean with pair-bonding rituals.
Sea Walnut Comb Jelly
InvertMnemiopsis leidyi
A glowing, gelatinous predator that belongs in a very specialized setup.
Shadow Catfish
FishHyalobagrus flavus
A tiny, sociable catfish that actually swims in the open. And has a fish that mimics it.
Sharknose goby
FishElacatinus evelynae
A tiny Caribbean cleaner fish that services sharks and rays without hesitation.
Sharksucker
FishEcheneis naucrates
The fish that hitchhikes on sharks, and occasionally tries to attach to divers.
Sharp-nosed Gourami
FishSphaerichthys acrostoma
A rare Bornean mouthbrooder from blackwater streams, gentle and quirky in equal measure.
Shining Pencilfish
FishNannostomus nitidus
A rarely-seen pencilfish with a glittering lateral stripe and fascinating nocturnal color shifts.
Shortfin Tandan
FishNeosilurus brevidorsalis
A compact Australian bottom-dweller that earns its keep in a peaceful community tank.
Siamese Badis
FishBadis siamensis
A rare Thai cave-spawner with detailed patterning and fascinating paternal instincts.
Silver Hatchetfish
FishGasteropelecus sternicla
A surface-skimming acrobat that leaps to catch insects mid-air.
Silver Mudskipper
FishPeriophthalmus argentilineatus
The fish that climbs trees and spends more time on land than in water.