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Species

Browsing 574 species. Use the filters below to narrow down.

Red-backed Paradisefish

Red-backed Paradisefish

Fish

Macropodus erythropterus

A rarely traded Vietnamese paradisefish with red fins and a complex identity

Red Badis

Red Badis

Fish

Badis ruber

A secretive cave-spawning micro-predator with fascinating breeding behavior and bold flank markings.

Red-bellied Piranha

Red-bellied Piranha

Fish

Pygocentrus nattereri

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

Red Dwarf Rasbora

Red Dwarf Rasbora

Fish

Microrasbora rubescens

A tiny Lake Inle gem that truly shines when kept in a proper-sized school.

Red Empress

Red Empress

Fish

Protomelas taeniolatus

A Lake Malawi rock dweller sold under flashy trade names, worth every bit of the hype.

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

Red Fin Banded Pencilfish

Fish

Nannostomus erythrurus

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

Red Hawkfish

Red Hawkfish

Fish

Neocirrhites armatus

A vivid red percher that rules its corner of the reef from a favorite rock.

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 Orange Neon

Red Orange Neon

Fish

Pseudomugil sp. "Red Neon"

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

Red Peacock

Red Peacock

Fish

Aulonocara hansbaenschi

A peacock cichlid from southern Malawi with fiery coloration and manageable temperament.

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

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.

Redspot wrasse

Redspot wrasse

Fish

Pseudocoris yamashiroi

A fast-moving reef wrasse with vivid pink tones and open-water energy.

Redtail Butterflyfish

Redtail Butterflyfish

Fish

Chaetodon collare

A reef native that pairs for life but rarely forgives a rough transition to captivity.

Red-tailed Flag Tetra

Red-tailed Flag Tetra

Fish

Hyphessobrycon agulha

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

Red Tail Shark

Red Tail Shark

Fish

Epalzeorhynchos bicolor

Bold looks, bolder attitude. This Thai native demands respect in any tank.

Reunion Angelfish

Reunion Angelfish

Fish

Apolemichthys guezei

One of the rarest angelfishes in the world, barely known to science or hobby.

Ringtailed Pike Cichlid

Ringtailed Pike Cichlid

Fish

Crenicichla saxatilis

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

Rosy Barb

Rosy Barb

Fish

Pethia conchonius

Hardy, colorful schooling barb that thrives across a wide range of conditions.

Rosy Tetra

Rosy Tetra

Fish

Hyphessobrycon bentosi

A rosy, fin-flaring little characin that puts on its best show in a crowd.

Rosy Tetra

Rosy Tetra

Fish

Hyphessobrycon rosaceus

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

Round-tailed Paradise Fish

Round-tailed Paradise Fish

Fish

Macropodus ocellatus

A cold-hardy labyrinth fish that stays active even under ice.

Ruby Sea Dragon

Ruby Sea Dragon

Fish

Phyllopteryx dewysea

A rose-red sea dragon hiding in the deep, only discovered this century.

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.

Sabah Danio

Sabah Danio

Fish

Nematabramis everetti

A Bornean river minnow with dramatically long barbels and a bold shoulder patch.

Sabah Dottyback

Sabah Dottyback

Fish

Manonichthys alleni

A cave-dwelling Pacific dottyback with a fondness for living inside tubular sponges.

Saddle Barb

Saddle Barb

Fish

Barbodes banksi

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

Saddle Butterflyfish

Saddle Butterflyfish

Fish

Chaetodon ephippium

A boldly patterned butterflyfish with a dramatic dark saddle across its back.

Sailfin Tetra

Sailfin Tetra

Fish

Crenuchus spilurus

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

Salvin's Cichlid

Salvin's Cichlid

Fish

Cichlasoma salvini

Colorful, compact, and surprisingly ferocious. A Central American cichlid with real attitude.