Shoal & Stem

Species Catalogue

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

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
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
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
amphibian
medium

Piebald Axolotl

Ambystoma mexicanum

amphibianfreshwater
10″·20+ gal·peaceful
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
coral
medium

Pipe Organ Coral

Tubipora musica

coralsaltwater
2″·30+ gal·peaceful
fish
medium

Platinum Hatchetfish

Thoracocharax stellatus

fishfreshwater
1.5″·15+ gal·group 6+·peaceful
coral
medium

Pocillopora

Pocillopora spp.

coralsaltwater
2″·50+ gal·peaceful
plant
medium

Pogostemon Deccanensis

Pogostemon deccanensis

plantfreshwater
Midground·Moderate growth
plant
medium

Pogostemon Erectus

Pogostemon erectus

plantfreshwater
High light·Medium 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 Stellatus

Pogostemon stellatus

plantfreshwater
Background·High light·Moderate growth
plant
medium

Pogostemon Stellatus Octopus

Pogostemon stellatus Octopus

plantfreshwater
Midground·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
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
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
medium

Powder Blue Dwarf Gourami

Trichogaster lalius

fishfreshwater
3.5″·15+ gal·semi-aggr.
plant
medium

Proserpinaca Palustris

Proserpinaca palustris

plantfreshwater
Background·High light·Moderate growth
coral
medium

Purple Sea Fan

Gorgonia ventalina

coralsaltwater
2″·30+ gal·peaceful
fish
medium

Purple Tang

Zebrasoma xanthurum

fishsaltwater
8″·75+ gal·semi-aggr.
plant
medium

Pygmy Chain Sword

Echinodorus tenellus

plantfreshwater
Carpet·Medium to high light·Moderate growth
fish
medium

Pygmy Hatchetfish

Carnegiella myersi

fishfreshwater
1″·10+ gal·group 8+·peaceful
fish
medium

Queen Loach

Botia dario

fishfreshwater
5″·40+ gal·group 3+·semi-aggr.
plant
medium

Queen Moss

Hydropogonella gymnostoma

plantfreshwater
Epiphyte·Slow growth
plant
medium

Quillwort

Isoetes velata

plantfreshwater
Foreground·Slow growth
fish
medium

Raccoon Butterflyfish

Chaetodon lunula

fishsaltwater
8″·75+ gal·peaceful