Shoal & Stem

Species Catalogue

1,580 species — care guides, community photos, water parameters, and tank-mate compatibility.

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.
fish
easy

Pitbull Pleco

Parotocinclus jumbo

fishfreshwater
2.2″·20+ gal·group 4+·peaceful
fish
easy

Platinum Guppy

Poecilia reticulata

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

Platinum Hatchetfish

Thoracocharax stellatus

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

Platinum Molly

Poecilia sphenops

fishfreshwater
3″·20+ gal·group 3+·peaceful
coral
medium

Pocillopora

Pocillopora spp.

coralsaltwater
2″·50+ gal·peaceful
plant
medium

Pogostemon Deccanensis

Pogostemon deccanensis

plantfreshwater
Midground·Moderate growth
plant
medium

Pogostemon Helferi

Pogostemon helferi

plantfreshwater
Foreground·Medium to high light·Slow growth
plant
medium

Pogostemon Kimberley

Pogostemon sp. 'Kimberley'

plantfreshwater
Midground·Moderate growth
plant
medium

Pogostemon Quadrifolius

Pogostemon quadrifolius

plantfreshwater
Background·Fast growth
plant
medium

Pogostemon Yatabeanus

Pogostemon yatabeanus

plantfreshwater
Midground·Medium growth
fish
medium

Polka Dot Loach

Botia kubotai

fishfreshwater
4″·40+ gal·group 3+·peaceful
fish
easy

Polystictus Corydoras

Corydoras polystictus

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

Pom Pom Crab

Ptychognathus barbatus

crabfreshwater
0.75″·10+ gal·peaceful
fish
medium

Pompom Goldfish

Carassius auratus

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

Porcupine Puffer

Diodon holocanthus

fishsaltwater
12″·100+ gal·semi-aggr.
coral
medium

Porites Coral

Porites lobata

coralsaltwater
2″·30+ gal·peaceful
fish
easy

Porthole Catfish

Dianema longibarbis

fishfreshwater
4″·30+ gal·group 4+·peaceful
shrimp
medium

Poso Orange Shrimp

Caridina glaubrechti

shrimpfreshwater
1.2″·10+ gal·group 6+·peaceful
plant
medium

Potamogeton Octandrus

Potamogeton octandrus

plantfreshwater
Midground·Moderate growth
fish
hard

Potter's Angelfish

Centropyge potteri

fishsaltwater
5″·55+ gal·semi-aggr.
fish
hard

Powder Blue Tang

Acanthurus leucosternon

fishsaltwater
9″·100+ gal·semi-aggr.
fish
easy

Pretty Tetra

Hemigrammus pulcher

fishfreshwater
1.75″·20+ gal·group 6+·peaceful