Aquariumpro
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๐Ÿ Schooling fish

Species that need the company of their own kind to thrive. Kept in appropriate groups, schooling fish produce some of the most mesmerizing displays in the hobby.

797 species

Rosy Tetra

Rosy Tetra

Fish

Hyphessobrycon rosaceus

A softly blushing schooling tetra that rewards keepers who think in groups.

Royal Clown Loach

Royal Clown Loach

Fish

Leptobotia pellegrini

China's boldly patterned loach needs a group and robust tankmates to thrive.

Ruby Tetra

Ruby Tetra

Fish

Axelrodi riesei

A tiny red gem from Colombia that rewards patient, species-focused keepers.

Rummy Nose Tetra

Rummy Nose Tetra

Fish

Hemigrammus bleheri

A tight-schooling tetra whose vivid red nose blazes brightest in a large group.

Rummy Nose Tetra

Rummy Nose Tetra

Fish

Hemigrammus rhodostomus

The original rummy-nose, built for tight shoals and soft Amazon water.

Sabanus Bumblebee Goby

Sabanus Bumblebee Goby

Fish

Brachygobius sabanus

A tiny brackish goby with bold banding and a big territorial attitude.

Saddle Barb

Saddle Barb

Fish

Barbodes banksi

A rare Bornean barb with a distinctive wedge marking, seldom seen outside specialist circles.

Saddle Corydoras

Saddle Corydoras

Fish

Corydoras ephippifer

A rarely-seen Amazonian cory with clear fins and a surprisingly long lifespan.

Sailfin Pimeloid
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Sailfin Pimeloid

Fish

Leiarius marmoratus

A massive schooling catfish with dramatic fins and a nocturnal personality.

Sailfin Tetra

Sailfin Tetra

Fish

Crenuchus spilurus

A solitary little predator with theatrical fin displays and devoted fathering instincts.

Salmacis Cory

Salmacis Cory

Fish

Scleromystax salmacis

A tiny armored catfish from Brazilian ponds, with a venomous sting to respect.

Salmon Catfish
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Salmon Catfish

Fish

Neoarius leptaspis

A mouthbrooding giant catfish that travels from rivers to the sea.

Salt and Pepper Cory

Salt and Pepper Cory

Fish

Corydoras habrosus

A pint-sized armored catfish that breathes air and blinks at you.

Salween Barb

Salween Barb

Fish

Hampala salweenensis

A rare Salween barb that hunts by suction and needs to be kept in groups.

Salween Loach

Salween Loach

Fish

Acanthocobitis zonalternans

A camouflaged Salween loach that thrives in groups and rewards patient keepers.

Sands' cory

Sands' cory

Fish

Corydoras davidsandsi

A rarely exported Rio Negro cory with a bold split dorsal bar and surprising longevity.

Santa cruz cory

Santa cruz cory

Fish

Corydoras cruziensis

A tiny armored catfish from Bolivia with a gut that doubles as a lung.

Sarasin's Minnow

Sarasin's Minnow

Fish

Oryzias sarasinorum

A rare Sulawesi ricefish with a truly bizarre egg-carrying trick

Sardine Cichlid

Sardine Cichlid

Fish

Cyprichromis leptosoma

A mid-water schooling cichlid from Tanganyika with fascinating lekking behavior.

Savona Stone Loach

Savona Stone Loach

Fish

Schistura savona

A boldly barred Himalayan loach that holds its own in a community tank.

Schwartz's Cory

Schwartz's Cory

Fish

Corydoras schwartzi

A long-lived, armored bottom dweller that genuinely thrives in good company.

Scissortail Barb
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Scissortail Barb

Fish

Rasbora rasbora

A large, peaceful schooling rasbora rarely seen outside specialist collections.

Scissortail Dartfish

Scissortail Dartfish

Fish

Ptereleotris evides

A graceful reef dartfish that hovers in open water and pairs for life.

Scissortail Rasbora

Scissortail Rasbora

Fish

Rasbora trilineata

The tail-flicking schooler that earns its name every time it rests.

Scooter Loach

Scooter Loach

Fish

Barbucca diabolica

A belly-crawling 'scooter' loach that rarely leaves the substrate.

Sergeant Major

Sergeant Major

Fish

Abudefduf saxatilis

Bold reef dweller with a notorious attitude that grows with age.

Serpae Tetra

Serpae Tetra

Fish

Hyphessobrycon eques

Fiery red schooler that turns fin-nipper when kept in too-small groups.

Seuss' cory

Seuss' cory

Fish

Corydoras seussi

A long-lived Bolivian cory that breathes air and rewards patient keepers.

Shacra Baril

Shacra Baril

Fish

Barilius shacra

A bold, fast-moving river cyprinid that needs equally robust tankmates to thrive.

Shalyni Barb

Shalyni Barb

Fish

Pethia shalynius

A cool-water hill stream barb with a vivid blue lateral stripe and gentle temperament.

Shimoga Loach
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Shimoga Loach

Fish

Nemachilichthys shimogensis

A rarely seen Indian stream loach that does best with a few of its own kind.

Shining Pencilfish

Shining Pencilfish

Fish

Nannostomus nitidus

A rarely-seen pencilfish with a glittering lateral stripe and fascinating nocturnal color shifts.

Short-lined Pyrrhulina

Short-lined Pyrrhulina

Fish

Pyrrhulina brevis

A compact Amazonian predator with surprising personality for its size.

Shovel-nosed Catfish

Shovel-nosed Catfish

Fish

Sorubim lima

A head-down ambush predator that swims like a falling leaf among the roots.

Shy Cory
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Shy Cory

Fish

Corydoras gracilis

A tiny, shy cory with a bold arched stripe and a surprising air-breathing trick.

Siamese Flying Fox

Siamese Flying Fox

Fish

Crossocheilus siamensis

A tireless algae grazer that earns its keep in planted tanks.