Saltwater aquarium fish: R
All saltwater fish whose common name starts with R, in alphabetical order. Each card links to its care guide.
23 species
Raccoon butterflyfish
Chaetodon lunula
Saltwater7.9 in (20 cm) · 106 gal (400 L)75–81°F (24–27°C)
Radial filefish
Acreichthys radiatus
Saltwater3 in (7.6 cm) · 20 gal (76 L)72–79°F (22–26°C)
Radiant wrasse
Halichoeres iridis
Saltwater4.5 in (11.5 cm) · 75 gal (284 L)72–79°F (22–26°C)
Radiata lionfish
Pterois radiata
Saltwater9.4 in (24 cm) · 70 gal (265 L)72–79°F (22–26°C)
Rainford's goby
Koumansetta rainfordi
Saltwater3.1 in (8 cm) · 20 gal (75 L)72–79°F (22–26°C)
Randall's anthias
Pseudanthias randalli
Saltwater3.1 in (8 cm) · 75 gal (285 L)75–81°F (24–27°C)
Randall's assessor
Assessor randalli
Saltwater3.1 in (8 cm) · 29 gal (110 L)73–81°F (23–27°C)
Randall's prawn goby
Amblyeleotris randalli
Saltwater4.7 in (12 cm) · 30 gal (114 L)72–79°F (22–26°C)
Red coris wrasse
Coris gaimard
Saltwater11.8 in (30 cm) · 150 gal (568 L)72–79°F (22–26°C)
Red head goby
Elacatinus puncticulatus
Saltwater2 in (5 cm) · 11 gal (40 L)72–79°F (22–26°C)
Red saddleback anemonefish
Amphiprion ephippium
Saltwater5.5 in (14 cm) · 30 gal (115 L)75–81°F (24–27°C)
Red Sea angelfish
Apolemichthys xanthotis
Saltwater7.9 in (20 cm) · 125 gal (475 L)72–81°F (22–27°C)
Red Sea clownfish
Amphiprion bicinctus
Saltwater5.5 in (14 cm) · 30 gal (115 L)75–82°F (24–28°C)
Red Sea mimic blenny
Ecsenius gravieri
Saltwater3.1 in (8 cm) · 20 gal (75 L)75–81°F (24–27°C)
Red Sea sailfin tang
Zebrasoma desjardinii
Saltwater15.7 in (40 cm) · 180 gal (680 L)75–82°F (24–28°C)
Redbelly dwarfgoby
Eviota nigriventris
Saltwater1.2 in (3 cm) · 10 gal (38 L)72–79°F (22–26°C)
Redlined pygmygoby
Trimma striatum
Saltwater1.2 in (3 cm) · 10 gal (38 L)72–79°F (22–26°C)
Regal angelfish
Pygoplites diacanthus
Saltwater9.8 in (25 cm) · 124 gal (470 L)73–81°F (23–27°C)
Ribbon eel
Rhinomuraena quaesita
Saltwater39.4 in (100 cm) · 66 gal (250 L)75–81°F (24–27°C)
Rock beauty angelfish
Holacanthus tricolor
Saltwater13.8 in (35 cm) · 90 gal (340 L)73–81°F (23–27°C)
Royal gramma
Gramma loreto
Saltwater3.1 in (8 cm) · 29 gal (110 L)72–81°F (22–27°C)
Ruby red dragonet
Synchiropus sycorax
Saltwater2.4 in (6 cm) · 53 gal (200 L)73–81°F (23–27°C)
Rusty angelfish
Centropyge ferrugata
Saltwater3.9 in (10 cm) · 30 gal (115 L)72–79°F (22–26°C)
Planning a tank?
TankBud checks stocking and water fit as you build a tank, then tracks water tests, reminders and photos once it is running.
Track your tanksMaintain tanks for clients? See TankBud Pro