Shoal & Stem

Species Catalogue

801 species matching your filters — care guides, community photos, water parameters, and tank-mate compatibility.

shrimp
easy

Purple Neocaridina

Neocaridina davidi

shrimpfreshwater
1.2″·5+ gal·group 6+·peaceful
terrestrial
easy

Purple Waffle Plant

Strobilanthes alternata

terrestrialfreshwater
Medium to bright indirect light·Moderate growth
plant
easy

Purple-backed Duckweed

Ricciocarpus natans

plantfreshwater
Floating·Fast growth
plant
easy

Pygmy Chain Sword Red

Helanthium tenellum 'Red'

plantfreshwater
Foreground·Moderate growth
fish
easy

Pygmy Rasbora

Boraras maculatus

fishfreshwater
0.8″·5+ gal·group 8+·peaceful
fish
easy

Queen Danio

Devario regina

fishfreshwater
2.5″·25+ gal·group 6+·peaceful
fish
easy

Rabauti Corydoras

Corydoras rabauti

fishfreshwater
2″·15+ gal·group 6+·peaceful
fish
easy

Rainbow Platy

Xiphophorus maculatus

fishfreshwater
2.5″·10+ gal·group 3+·peaceful
shrimp
easy

Red Babaulti Shrimp

Caridina babaulti

shrimpfreshwater
1.5″·5+ gal·group 10+·peaceful
fish
easy

Red Chest Endler

Poecilia wingei

fishfreshwater
1.2″·5+ gal·group 3+·peaceful
fish
easy

Red Devil Molly

Poecilia sphenops

fishfreshwater
3″·15+ gal·group 3+·peaceful
fish
easy

Red Dwarf Gourami

Trichogaster lalius

fishfreshwater
3.5″·15+ gal·semi-aggr.
algae
easy

Red Gracilaria

Gracilaria sp.

algaesaltwater

Bushy red-to-burgundy macroalgae prized as live food for herbivorous fish — tangs, rabbitfish, and urchins graze on it enthusiastically. Also an excellent nutrient exporter in refugia. Tumbles well under flow and tolerates a wide range of conditions.

fish
easy

Red Jewel Cichlid

Hemichromis lifalili

fishfreshwater
5″·30+ gal·aggressive
snail
easy

Red Lip Nerite Snail

Neritina waigiensis

snailfreshwater
0.75″·5+ gal·peaceful
fish
easy

Red Phantom Tetra

Megalamphodus sweglesi

fishfreshwater
1.5″·15+ gal·group 6+·peaceful
fish
easy

Red Platy

Xiphophorus maculatus

fishfreshwater
2.5″·10+ gal·group 3+·peaceful
snail
easy

Red Ramshorn Snail

Planorbarius corneus

snailfreshwater
0.75″·5+ gal·peaceful
shrimp
easy

Red Rili Shrimp

Neocaridina davidi

shrimpfreshwater
1.5″·5+ gal·group 10+·peaceful
snail
easy

Red Spot Nerite Snail

Clithon diadema

snailfreshwater
0.75″·5+ gal·peaceful
invertebrate
easy

Red Swamp Crayfish

Procambarus clarkii

invertebratefreshwater
5.5″·20+ gal·aggressive
fish
easy

Red Wag Platy

Xiphophorus maculatus

fishfreshwater
2.5″·10+ gal·group 3+·peaceful
fish
easy

Red Wagtail Platy

Xiphophorus maculatus

fishfreshwater
2.5″·10+ gal·group 5+·peaceful
fish
easy

Red-Tailed Rasbora

Rasbora borapetensis

fishfreshwater
2″·20+ gal·group 6+·peaceful
fish
easy

Redbreast Acara

Laetacara dorsigera

fishfreshwater
2.5″·20+ gal·peaceful
fish
easy

Redline Dwarf Rasbora

Microrasbora rubescens

fishfreshwater
1″·10+ gal·group 6+·peaceful
fish
easy

Redline Rasbora

Rasbora pauciperforata

fishfreshwater
1.2″·10+ gal·group 6+·peaceful
fish
easy

Redtail Goodeid

Xenotoca eiseni

fishfreshwater
2.5″·20+ gal·group 6+·peaceful
fish
easy

Reticulatus Corydoras

Corydoras reticulatus

fishfreshwater
2″·15+ gal·group 6+·peaceful
coral
easy

Ricordea Florida

Ricordea florida

coralsaltwater
2″·30+ gal·peaceful
coral
easy

Ricordea Yuma

Ricordea yuma

coralsaltwater
2″·30+ gal·peaceful
shrimp
easy

Rili Red Sakura Shrimp

Neocaridina davidi

shrimpfreshwater
1.5″·5+ gal·group 10+·peaceful
shrimp
easy

Rili Shrimp

Neocaridina davidi var. Rili

shrimpfreshwater
1.2″·5+ gal·group 6+·peaceful
plant
easy

Rosanervig Hygrophila

Hygrophila polysperma

plantfreshwater
Background·Medium–high light
plant
easy

Rose Sword

Echinodorus sp. 'Rose'

plantfreshwater
Midground·Moderate growth
fish
easy

Rosy Barb

Pethia conchonius

fishfreshwater
3.5″·25+ gal·group 6+·semi-aggr.