Shoal & Stem

Species Catalogue

1,570 species — care guides, community photos, water parameters, and tank-mate compatibility.

fish
easy

Moscow Guppy

Poecilia reticulata

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

Mosquito Fern

Azolla pinnata

plantfreshwater
Floating·Fast growth
shrimp
hard

Mosura Pinto Shrimp

Caridina logemanni

shrimpfreshwater
1.25″·10+ gal·group 10+·peaceful
shrimp
hard

Mosura Shrimp

Caridina logemanni

shrimpfreshwater
1.25″·10+ gal·group 10+·peaceful
snail
easy

Mountain Nerite Snail

Septaria porcellana

snailfreshwater
0.5″·5+ gal·peaceful
fish
hard

Mudskipper

Periophthalmus barbarus

fishbrackish
6″·30+ gal·semi-aggr.
fish
easy

Multi Shell Dweller

Neolamprologus multifasciatus

fishfreshwater
1.5″·10+ gal·semi-aggr.
plant
easy

Murdannia Keisak

Murdannia keisak

plantfreshwater
Background·Fast growth
coral
easy

Mushroom Coral

Actinodiscus spp.

coralsaltwater
2″·20+ gal·peaceful
plant
easy

Myriophyllum Aquaticum

Myriophyllum aquaticum

plantfreshwater
Background·Medium–High light·Very growth
plant
medium

Myriophyllum Guyana

Myriophyllum sp. 'Guyana'

plantfreshwater
Background·Fast growth
plant
medium

Myriophyllum Mattogrossense

Myriophyllum mattogrossense

plantfreshwater
High light·Fast growth
fish
medium

Mystery Wrasse

Pseudocheilinus ocellatus

fishsaltwater
5″·30+ gal·semi-aggr.
terrestrial
easy

N-Joy Pothos

Epipremnum aureum 'N-Joy'

terrestrialfreshwater
Bright indirect light·Moderate growth
fish
medium

Narcissus Corydoras

Corydoras narcissus

fishfreshwater
2.5″·15+ gal·group 6+·peaceful
plant
easy

Narrow Leaf Chain Sword

Helanthium bolivianum 'Quadricostatus'

plantfreshwater
Foreground·Moderate growth
plant
easy

Narrow Leaf Marsilea

Marsilea angustifolia

plantfreshwater
Carpet·Slow growth
plant
easy

Narrowleaf Temple Plant

Hygrophila corymbosa

plantfreshwater
Background·Low–high light
fish
medium

Naso Tang

Naso lituratus

fishsaltwater
18″·150+ gal·semi-aggr.
snail
easy

Nassarius

Nassarius vibex

snailsaltwater
0.6″·10+ gal·peaceful
fish
easy

Nattereri Corydoras

Corydoras nattereri

fishfreshwater
2″·15+ gal·group 6+·peaceful
algae
medium

Neomeris

Neomeris annulata

algaesaltwater

Tiny, elegant calcified algae with a barrel-shaped body ringed with white calcium bands at the tip. Short-lived (weeks to months) but reproduces readily in stable reef tanks. An interesting hitchhiker and occasional deliberate addition. Fish tend to leave it alone due to calcification.

fish
easy

Neon Dwarf Gourami

Trichogaster lalius

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

Neon Goby

Elacatinus oceanops

fishsaltwater
2″·20+ gal·group 2+·peaceful
fish
medium

Neon Green Rasbora

Microdevario kubotai

fishfreshwater
1.5″·10+ gal·group 6+·peaceful
terrestrial
easy

Neon Pothos

Epipremnum aureum 'Neon'

terrestrialfreshwater
Bright indirect — brighter light keeps the neon colour vivid light·Fast growth
invertebrate
medium

Neon Red Crayfish

Cambarellus patzcuarensis var. Orange

invertebratefreshwater
1.5″·10+ gal·semi-aggr.
terrestrial
easy

Nerve Plant

Fittonia albivenis

terrestrialfreshwater
Low to medium indirect light·Moderate growth
plant
medium

Nesaea Crassicaulis

Nesaea crassicaulis

plantfreshwater
Background·High light·Moderate growth
fish
medium

Nicaragua Cichlid

Hypsophrys nicaraguensis

fishfreshwater
8″·55+ gal·aggressive
fish
easy

Niger Triggerfish

Odonus niger

fishsaltwater
18″·100+ gal·semi-aggr.
fish
medium

Nijssen's Corydoras

Corydoras nijsseni

fishfreshwater
2″·15+ gal·group 6+·peaceful
shrimp
medium

No Entry Shrimp

Caridina logemanni

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

Nothobranchius Killifish

Nothobranchius rachovii

fishfreshwater
2″·10+ gal·semi-aggr.
plant
medium

Nymphaea Stellata

Nymphaea stellata

plantfreshwater
Midground·Medium growth
fish
easy

Ocellaris Clownfish

Amphiprion ocellaris

fishsaltwater
3.5″·20+ gal·group 2+·semi-aggr.