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Advanced species search

Filter by water type, tank size, compatible ranges (temperature, pH, GH, KH, salinity), size, temperament, diet, care level, swimming level, and origin. Results match when your range overlaps the species’ range.

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Species match if their range intersects the range you type.

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1,522 results found.

Red–White Halfmoon Betta

Betta splendens (var. Halfmoon)
Freshwater Tank ≥ 30 L Temp 24.0–30.0 °C pH 6.00–7.50

Redbreast Wrasse

Cheilinus fasciatus
Marine Tank ≥ 400 L Temp 24.0–28.0 °C pH 8.00–8.40

Redtail Botia (Loach)

Yasuhikotakia modesta
Freshwater Tank ≥ 200 L Temp 24.0–28.0 °C pH 6.00–7.50

Redtail Splitfin

Xenotoca doadrioi
Freshwater Tank ≥ 100 L Temp 18.0–24.0 °C pH 7.20–8.20

Reef Butterflyfish

Caribbean Reef (Reef Butterflyfish)
Marine Tank ≥ 180 L Temp 24.0–28.0 °C pH 8.00–8.40

Regal Angelfish

Pygoplites diacanthus
Marine Tank ≥ 350 L Temp 24.0–28.0 °C pH 8.10–8.40

Regani (Julie)

Julidochromis regani
Freshwater Tank ≥ 120 L Temp 24.0–27.0 °C pH 7.80–9.20

Reticulated Hillstream Loach

Sewellia lineolata
Freshwater Tank ≥ 75 L Temp 20.0–24.0 °C pH 6.50–7.60

Rheocles alaotrensis

Rheocles alaotrensis
Freshwater Tank ≥ 120 L Temp 22.0–26.0 °C pH 6.50–7.50

Rheocles vatosoa

Rheocles vatosoa
Freshwater Tank ≥ 120 L Temp 22.0–26.0 °C pH 6.50–7.50

Rhinogobius formosanus

Rhinogobius formosanus
Freshwater Tank ≥ 60 L Temp 16.0–23.0 °C pH 6.80–7.80

Rhodactis (Hairy)

Rhodactis spp.
Marine Tank ≥ 70 L Temp 24.0–27.0 °C pH 8.00–8.40

Rhodactis Mushroom

Rhodactis spp.
Marine Tank ≥ 60 L Temp 24.0–27.0 °C pH 8.00–8.40

Ricefish (Daisy)

Oryzias woworae
Freshwater Tank ≥ 35 L Temp 22.0–28.0 °C pH 6.80–7.80

Ricordea (Florida)

Ricordea florida
Marine Tank ≥ 60 L Temp 24.0–27.0 °C pH 8.00–8.40

Ricordea (Yuma)

Ricordea spp.
Marine Tank ≥ 70 L Temp 24.0–27.0 °C pH 8.00–8.40

Ricordea Florida

Ricordea florida
Marine Tank ≥ 50 L Temp 24.0–27.0 °C pH 8.00–8.40

Ricordea Yuma

Ricordea yuma
Marine Tank ≥ 60 L Temp 24.0–27.0 °C pH 8.00–8.40

Rili Shrimp

Neocaridina davidi var. Rili
Freshwater Tank ≥ 20 L Temp 18.0–29.0 °C pH 6.50–8.00

River Nerite Snail

Theodoxus fluviatilis
Marine Tank ≥ 20 L Temp 10.0–22.0 °C pH 7.20–8.20

River Snapper

Lutjanus spp.
Marine Tank ≥ 600 L Temp 24.0–28.0 °C pH 8.00–8.40

Rock Beauty

Caribbean Reef (Rock Beauty)
Marine Tank ≥ 180 L Temp 24.0–28.0 °C pH 8.00–8.40

Rock Beauty Angelfish

Holacanthus tricolor
Marine Tank ≥ 350 L Temp 24.0–28.0 °C pH 8.00–8.40

Rock Flower Anemone

Phymanthus crucifer
Marine Tank ≥ 100 L Temp 24.0–27.0 °C pH 8.00–8.40