Aquariumpro
🔍
RegionFreshwater

Amazon & South America

The Amazon basin and its sister rivers (Orinoco, Xingu, Tapajós) — home to tetras, cichlids, catfish, and many of the hobby's most iconic freshwater species.

629 species · fish

Pygmy Cory

Pygmy Cory

Fish

Corydoras pygmaeus

Tiny catfish that defies expectations by schooling in open water, not just the bottom.

Pygmy Hatchetfish

Pygmy Hatchetfish

Fish

Carnegiella myersi

Tiny, delicate, and built for the surface. The smallest hatchetfish of them all.

Raccoon Tetra (Tank-Bred)
✨AI

Raccoon Tetra (Tank-Bred)

Fish

Hyphessobrycon procyon

A boldly masked little tetra that's as easy to keep as it is distinctive.

Rainbow Copella
✨AI

Rainbow Copella

Fish

Copella vilmae

A jewel-toned splash of color from the blackwater streams of the upper Amazon.

Ranger Pleco
✨AI

Ranger Pleco

Fish

Pterygoplichthys weberi

A hard-working algae grazer from Amazonian headwaters with a remarkable breathing trick.

Raphael catfish

Raphael catfish

Fish

Platydoras costatus

A bold-striped catfish that grunts, buries itself, and eats almost anything.

Raspy River Stingray

Raspy River Stingray

Fish

Potamotrygon scobina

A rare freshwater ray that often gets misidentified and mis-sold in the trade.

Red-bellied Pacu

Red-bellied Pacu

Fish

Piaractus brachypomus

A fruit-eating giant that outgrows nearly every home aquarium.

Red-bellied Piranha

Red-bellied Piranha

Fish

Pygocentrus nattereri

The world's most notorious fish, and surprisingly misunderstood in the wild.

Redbreast Acara

Redbreast Acara

Fish

Laetacara dorsigera

A tiny South American cichlid with a boldly colored chest and a gentle personality.

Redeye Piranha

Redeye Piranha

Fish

Serrasalmus rhombeus

A solitary, powerfully-jawed predator best kept as a single specimen by dedicated keepers.

Redeye Tetra

Redeye Tetra

Fish

Moenkhausia oligolepis

A peaceful, easy-to-breed South American tetra often mistaken for its flashier cousin.

Red Fin Banded Pencilfish
✨AI

Red Fin Banded Pencilfish

Fish

Nannostomus erythrurus

A slender, vividly finned pencilfish that rewards patient, detail-oriented keepers.

Redflank Bloodfin

Redflank Bloodfin

Fish

Aphyocharax rathbuni

A fin-nipping schooler that rewards careful community planning with lively, colorful energy.

Red Hook Silver Dollar

Red Hook Silver Dollar

Fish

Myloplus rubripinnis

A coin-shaped giant with a bold red fin and a serious appetite for plants.

Red Line Tetra

Red Line Tetra

Fish

Hyphessobrycon amapaensis

A tiny, rarely seen Brazilian tetra with vivid red and cream lateral striping.

Red Lips
✨AI

Red Lips

Fish

Satanoperca rhynchitis

A gregarious French Guiana cichlid with distinctive red lips and surprising gentleness outside of spawning.

Red Lizard Catfish

Red Lizard Catfish

Fish

Rineloricaria sp

A slender, peaceful whiptail with a mysterious origin and surprisingly easy breeding behavior.

Red Mouth Headstander

Red Mouth Headstander

Fish

Anostomus ternetzi

A boldly striped headstander that swims at its own angle. Literally.

Red Orange Neon

Red Orange Neon

Fish

Pseudomugil sp. "Red Neon"

Tiny, vivid, and electric. A micro-rainbow that rewards patient keepers.

Red Pencilfish

Red Pencilfish

Fish

Nannostomus mortenthaleri

A tiny, fiery Peruvian pencilfish that punches well above its weight in attitude.

Red Phantom Tetra

Red Phantom Tetra

Fish

Hyphessobrycon sweglesi

A deep-red schooling tetra that rewards you for keeping bigger groups.

Red-spotted Copeina
✨AI

Red-spotted Copeina

Fish

Copella eigenmanni

A small, peaceful Amazonian schooler with subtle charm and fascinating breeding behavior.

Redspotted Tetra

Redspotted Tetra

Fish

Copeina guttata

A paternal nest-guarder from the Amazon with bold red spots and real personality.

Redstriped Eartheater

Redstriped Eartheater

Fish

Geophagus surinamensis

A mouthbrooding digger that sifts sand and fiercely guards its young.

Redtail Catfish

Redtail Catfish

Fish

Phractocephalus hemioliopterus

A gorgeous river giant that almost no home aquarium can truly accommodate.

Red-tailed Flag Tetra

Red-tailed Flag Tetra

Fish

Hyphessobrycon agulha

A rare, peaceful tetra that anchors its entire species group by name.

Red-tailed Freshwater Barracuda, Spotted Cachorro

Red-tailed Freshwater Barracuda, Spotted Cachorro

Fish

Acestrorhynchus falcatus

A pike-like ambush predator that minds its manners with fish it can't swallow.

Red Terror

Red Terror

Fish

Cichlasoma festae

A massive, fierce Ecuadorian cichlid that will eat anything it can fit in its mouth.

Red Wolf Fish

Red Wolf Fish

Fish

Erythrinus erythrinus

A bold, air-breathing predator that mimics killifish as a juvenile to lure prey

Reticulate Freshwater Stingray

Reticulate Freshwater Stingray

Fish

Potamotrygon orbignyi

A manageable freshwater ray for those ready to step up to serious specialist keeping.

Reynoldsi Cory
✨AI

Reynoldsi Cory

Fish

Corydoras reynoldsi

A tiny Colombian cory with a surprisingly long life and some endearing quirks.

Ringtailed Pike Cichlid
✨AI

Ringtailed Pike Cichlid

Fish

Crenicichla saxatilis

A torpedo-shaped predator from Suriname's creeks, built to ambush and dominate.

Rio Napo cory
✨AI

Rio Napo cory

Fish

Corydoras napoensis

A tiny armored catfish from Ecuador that rewards patient keepers with decades of personality.

Ripsaw Catfish

Ripsaw Catfish

Fish

Megalodoras uranoscopus

A gentle giant catfish from the Amazon that travels in groups and growls.

Robusta Cory

Robusta Cory

Fish

Corydoras robustus

One of the largest corys around, rarely seen and worth the hunt.