FinsHQ Encyclopedia

Fish & Livestock

Care guides for freshwater fish, marine species, and invertebrates — including water parameters, tank requirements, and where to buy.

6,005 species

beginner

Reticulated Blenny (Rhabdoblennius nitidus)

Rhabdoblennius nitidus

10 cm80 L2428°C
advanced

Reticulated Butterflyfish (Chaetodon reticulatus)

Chaetodon reticulatus

18 cm220 L2227°C
beginner

Reticulated Cory

Corydoras reticulatus

6 cm60 L2226°C
intermediate

Reticulated Hillstream Loach

Sewellia lineolata

6.5 cm60 L1824°C
intermediate

Reticulated Hillstream Loach

Sewellia lineolata

6 cm80 L1824°C
intermediate

Reticulated Hillstream Loach Sewellia lineolata

Sewellia lineolata

7 cm100 L1824°C
advanced

Reticulated Hillstream Sisorid

Glyptosternon reticulatum

20 cm120 L1524°C
advanced

Reticulated Stingray

Potamotrygon reticulata

90 cm800 L2428°C
advanced

Retroculus lapidifer

Retroculus lapidifer

20 cm300 L2428°C
beginner

Retropinnis Bichir

Polypterus retropinnis

40 cm200 L2630°C
intermediate

Reynolds' Cory

Corydoras reynoldsi

4 cm60 L2327°C
beginner

Rhabdotus Eartheater

Gymnogeophagus rhabdotus

14 cm120 L1626°C
Easy

Rhabdotus Eartheater (Laguna dos Patos)

Gymnogeophagus rhabdotus

12 cm120 L1626°C
intermediate

Rhegma Catfish

Mystus rhegma

35 cm400 L2228°C
advanced

Rheoheros coeruleus

Rheoheros coeruleus

22 cm250 L2228°C
intermediate

Rheoheros lentiginosus

Rheoheros lentiginosus

22 cm300 L2226°C
intermediate

Rhinecanthus aculeatus Picasso Triggerfish

Rhinecanthus aculeatus

30 cm400 L2427°C
beginner

Rhino Pleco L080

Pterygoplichthys scrophus (L080)

30 cm250 L2328°C
beginner

Rhinogobius Flumineus Goby

Rhinogobius flumineus

7 cm60 L1522°C
beginner

Rhinogobius Red-Cheek Goby

Rhinogobius sp. 'red cheek'

5.5 cm60 L1824°C
beginner

Rhinogobius Similis Goby

Rhinogobius similis

4.5 cm40 L1824°C
intermediate

Rhombo Barb

Systomus rhombeus

5 cm60 L2428°C
advanced

Rhomboid Fairy Wrasse (Cirrhilabrus rhomboidalis)

Cirrhilabrus rhomboidalis

9 cm180 L2427°C
intermediate

Rhomboid Myleus

Myleus rhomboidalis

25 cm500 L2428°C
advanced

Rhynchophorus Mormyrid (Campylomormyrus rhynchophorus)

Campylomormyrus rhynchophorus

30 cm250 L2428°C
intermediate

Ribeiro's Driftwood Cat

Glanidium ribeiroi

7 cm60 L2026°C
Ricefish (Oryzias woworae)
Beginner

Ricefish (Oryzias woworae)

Oryzias woworae

3 cm20 L2428°C
intermediate

Richmond's Wrasse (Halichoeres richmondi)

Halichoeres richmondi

15 cm250 L2427°C
beginner

Rickett's Cory

Corydoras ricketti

5.5 cm80 L2226°C
advanced

Ricola Whiptail Catfish

Ricola macrops

14 cm80 L2327°C
beginner

Ricordea florida (Caribbean Mushroom)

Ricordea florida

8 cm75 L2427°C
intermediate

Ricordea yuma (Indo-Pacific Mushroom)

Ricordea yuma

12 cm100 L2427°C
intermediate

Ridens Gastromyzon

Gastromyzon ridens

5 cm70 L2226°C
intermediate

Riggenbachi Killifish

Aphyosemion riggenbachi

6 cm40 L2226°C
beginner

Rigid Sinularia Leather Coral

Sinularia dura

20 cm100 L2427°C
intermediate

Ringtail Pike Cichlid

Crenicichla saxatilis

28 cm350 L2428°C
intermediate

Rio Grande Cichlid

Herichthys cyanoguttatus

30 cm350 L2027°C
beginner

Rio Guaporé Butterfly Ram

Mikrogeophagus altispinosus

8 cm80 L2227°C
beginner

Rio Mamoré Butterfly Ram

Mikrogeophagus altispinosus

8 cm80 L2227°C
advanced

Rio Negro Altum Angelfish (Wild)

Pterophyllum altum

25 cm450 L2730°C
advanced

Ritteri Anemone

Heteractis magnifica

50 cm300 L2528°C
advanced

River Catfish

Hemibagrus nemurus

65 cm600 L2228°C
intermediate

River Goby

Awaous banana

35 cm300 L2428°C
intermediate

River Rhinogobio Loach

Rhinogobio typus

12 cm100 L1824°C
intermediate

River Swimming Crab

Varuna litterata

6 cm60 L2228°C
beginner

Roach

Rutilus rutilus

35 cm200 L522°C
beginner

Roach (Rutilus rutilus)

Rutilus rutilus

35 cm500 L422°C
intermediate

Robbé's Synodontis

Synodontis robbianus

16 cm150 L2226°C
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