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Species

Browsing 1,299 species. Use the filters below to narrow down.

Sinuous Cup Coral

Sinuous Cup Coral

Coral

Lobophyllia hassi

A forgiving large-polyp coral with flowing, brain-like ridges perfect for reef beginners.

Sinuous Cup Coral

Sinuous Cup Coral

Coral

Lobophyllia radians

A wide-ranging cup coral that forgives beginner mistakes and rewards patient hobbyists.

Sinuous Cup Coral

Sinuous Cup Coral

Coral

Lobophyllia recta

A forgiving large-polyp coral with flowing, sculptural form for reef beginners.

Sinuous Cup Coral

Sinuous Cup Coral

Coral

Lobophyllia valenciennesii

A flowing, brain-like coral that beginners can actually keep with confidence.

Sittang Mystus

Sittang Mystus

Fish

Hemibagrus peguensis

A rarely seen Myanmar catfish with bold spotted flanks and an orange tail.

Sixbar Panchax

Sixbar Panchax

Fish

Epiplatys sexfasciatus

A surface-dwelling West African killifish with bold barring and easy breeding potential.

Six-eyed Tetra

Six-eyed Tetra

Fish

Phenacogaster tegatus

The tiny 'six-eyed tetra' from Paraguay with a trick spot pattern.

Sky Blue Borneo sucker

Sky Blue Borneo sucker

Fish

Gastromyzon aeroides

A rare Bornean hillstream loach with vivid blue fins found in almost no aquariums yet.

Sleeper Goby

Sleeper Goby

Fish

Dormitator lebretonis

A West African brackish-water goby with bold adult coloration and an appetite to match.

Slender Danio

Slender Danio

Fish

Brachydanio aesculapii

A tiny, patterned danio from an isolated mountain range few fishkeepers know about.

Slender Danio

Slender Danio

Fish

Brachydanio sp. "TW01"

A lively Myanmarese danio with a bold caudal peduncle mark and plenty of personality.

Slender Danio

Slender Danio

Fish

Brachydanio tinwini

A tiny, spot-patterned danio from a single Myanmar stream.

Slender Danios

Slender Danios

Fish

Brachydanio feegradei

A lively schooling danio from Myanmar's isolated western mountains.

Slender Danios

Slender Danios

Fish

Brachydanio kyathit

A small Burmese danio with variable patterning that keeps hobbyists guessing.

Slender Danios

Slender Danios

Fish

Brachydanio sp. "Hikari"

A peaceful schooler from Myanmar with a taxonomic twist hiding in its stripes.

Slender Piranha

Slender Piranha

Fish

Serrasalmus elongatus

A sleek, solitary predator that's one of the easiest piranhas to identify correctly.

Slimy Loach

Slimy Loach

Fish

Pangio myersi

A social, eel-like loach that piles into hiding spots with its companions.

Slipper Coral

Slipper Coral

Coral

Herpolitha limax

A free-living, tongue-shaped coral that roams lagoon floors on its own terms.

Smallfin Fighter

Smallfin Fighter

Fish

Betta miniopinna

A tiny, dark peat-swamp Betta with vivid red pelvic fins and a gentle nature.

Smallscale Archerfish

Smallscale Archerfish

Fish

Toxotes microlepis

The freshwater archer that hunts insects by spitting water with sniper precision.

Smokey Glass Catfish

Smokey Glass Catfish

Fish

Kryptopterus cryptopterus

A ghostly schooling catfish that disappears against the current

Snail-crusher Hap

Snail-crusher Hap

Fish

Trematocranus placodon

A snail-crushing Lake Malawi hap with a specialist trick most cichlids lack.

Snake Polyp

Snake Polyp

Coral

Isaurus cliftoni

A reef-safe Pacific zoanthid that's forgiving enough for beginners to keep.

Snake Polyp

Snake Polyp

Coral

Isaurus tuberculatus

Unusual colonial zoanthid with a distinctly tubular, snake-like body form.

Snake-skin Gourami

Snake-skin Gourami

Fish

Trichopodus pectoralis

A big, peaceful gourami with wild origins in the flooded forests of Southeast Asia.

Snowball Pleco

Snowball Pleco

Fish

Baryancistrus sp. "L142"

A boldly spotted Amazonian pleco that gets feisty as it grows up.

Snowflake Blenny

Snowflake Blenny

Fish

Salarias ramosus

A personable reef grazer with bold patterning and surprising air-breathing ability.

Snowflake Coral

Snowflake Coral

Coral

Carijoa riisei

A soft, branching coral that frosts live rock with white, feathery polyps.

Snyder's Barb

Snyder's Barb

Fish

Puntius snyderi

Taiwan's little-known barb that rivals the golden barb in looks but rarely in fame.

Soft Coral

Soft Coral

Coral

Alcyonium pacificum

A soft coral from Japanese waters that suits newer reef keepers well.

Sohal Tang

Sohal Tang

Fish

Acanthurus sohal

A bold Red Sea beauty that rules its territory with zero tolerance for rivals.

Solitary Cup Coral

Solitary Cup Coral

Coral

Cynarina lacrymalis

A puffy, jewel-like solo coral that thrives in calm, dimly lit reef spots.

Solitary Disk Coral

Solitary Disk Coral

Coral

Scolymia wellsii

A bold, single-polyp coral that rewards patient feeding with vivid growth.

South American Lungfish

South American Lungfish

Fish

Lepidosiren paradoxa

A living fossil that breathes air, crawls on fins, and outlives most pets.

Southern Sailfin Catfish

Southern Sailfin Catfish

Fish

Pterygoplichthys anisitsi

A prehistoric-looking giant that moonlights as your tank's cleanup crew.

Spangled Cichlid

Spangled Cichlid

Fish

Acaronia vultuosa

A compact Orinoco predator that punches above its weight in planted setups.