Shoal & Stem

Species Catalogue

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

terrestrial
easy

Peace Lily

Spathiphyllum wallisii

terrestrialfreshwater
Bright indirect light·Moderate growth
fish
hard

Peacock Bass

Cichla ocellaris

fishfreshwater
24″·200+ gal·aggressive
fish
medium

Peacock Cichlid

Aulonocara spp.

fishfreshwater
6″·55+ gal·semi-aggr.
fish
medium

Peacock Eel

Macrognathus siamensis

fishfreshwater
12″·35+ gal·peaceful
fish
easy

Peacock Endler

Poecilia wingei

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

Peacock Gudgeon

Tateurndina ocellicauda

fishfreshwater
3″·15+ gal·group 2+·peaceful
plant
easy

Peacock Moss

Taxiphyllum sp. 'Peacock'

plantfreshwater
Carpet·Low–Medium light·Moderate growth
algae
medium

Peacock's Tail

Padina pavonica

algaesaltwater

Fan-shaped brown-grey macroalgae with distinctive concentric rings and a lightly calcified surface. Grows on rock in moderate flow zones. Not commonly traded but attractive in display refugia. Tolerates a wide range of temperatures — found from Mediterranean rock pools to tropical reefs.

fish
easy

Pearl Danio

Danio albolineatus

fishfreshwater
2.5″·15+ gal·group 6+·peaceful
fish
medium

Pearlscale Angelfish

Pterophyllum scalare

fishfreshwater
6″·30+ gal·group 2+·semi-aggr.
fish
medium

Pearlscale Goldfish

Carassius auratus

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

Penguin Tetra

Thayeria boehlkei

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

Peppermint Shrimp

Lysmata wurdemanni

shrimpsaltwater
2″·20+ gal·group 3+·peaceful
plant
medium

Persicaria Kawagoeanum

Persicaria kawagoeanum

plantfreshwater
Background·High light·Slow–moderate growth
plant
medium

Persicaria São Paulo

Persicaria sp. 'São Paulo'

plantfreshwater
Background·Fast growth
fish
medium

Petricola Catfish

Synodontis petricola

fishfreshwater
4″·30+ gal·group 3+·peaceful
plant
easy

Philippine Java Fern

Leptochilus decurrens

plantfreshwater
Epiphyte·Slow growth
terrestrial
easy

Philodendron Birkin

Philodendron 'Birkin'

terrestrialfreshwater
Bright indirect light·Moderate growth
terrestrial
easy

Philodendron Micans

Philodendron hederaceum 'Micans'

terrestrialfreshwater
Bright indirect light·Fast growth
terrestrial
moderate

Philodendron Pink Princess

Philodendron erubescens 'Pink Princess'

terrestrialfreshwater
Bright indirect light·Moderate growth
terrestrial
easy

Philodendron Prince of Orange

Philodendron 'Prince of Orange'

terrestrialfreshwater
Bright indirect light·Moderate growth
fish
easy

Phoenix Rasbora

Boraras merah

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

Picasso Triggerfish

Rhinecanthus aculeatus

fishsaltwater
12″·100+ gal·aggressive
fish
easy

Pictus Catfish

Pimelodus pictus

fishfreshwater
4.5″·55+ gal·group 3+·peaceful
amphibian
medium

Piebald Axolotl

Ambystoma mexicanum

amphibianfreshwater
10″·20+ gal·peaceful
fish
hard

Pigeon Blood Discus

Symphysodon sp.

fishfreshwater
6″·55+ gal·group 4+·peaceful
fish
hard

Pike Cichlid

Crenicichla sp.

fishfreshwater
10″·55+ gal·aggressive
fish
expert

Pike Livebearer

Belonesox belizanus

fishfreshwater
20″·75+ gal·aggressive
fish
expert

Pikehead

Luciocephalus pulcher

fishfreshwater
8″·40+ gal·aggressive
fish
easy

Pineapple Platy

Xiphophorus maculatus

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

Pink Skunk Clownfish

Amphiprion perideraion

fishsaltwater
4″·30+ gal·group 2+·semi-aggr.
fish
medium

Pinktail Chalceus

Chalceus macrolepidotus

fishfreshwater
10″·150+ gal·group 4+·semi-aggr.
shrimp
medium

Pinocchio Shrimp

Caridina gracilirostris

shrimpfreshwater
1.2″·10+ gal·group 6+·peaceful
shrimp
hard

Pinto Shrimp

Caridina cantonensis var. 'Pinto'

shrimpfreshwater
1.2″·5+ gal·group 6+·peaceful
coral
medium

Pipe Organ Coral

Tubipora musica

coralsaltwater
2″·30+ gal·peaceful
shrimp
easy

Pistol Shrimp

Alpheus randalli

shrimpsaltwater
2″·20+ gal·semi-aggr.