Cool / coldwater fish
Species that can tolerate cooler aquariums (lower temps).
2002 fish found • page 17
Iksookimia hugowolfeldi
Hugo Wolfeldi Loach
Temp 20–24°CpH 8dGH 5–15
Iguanodectes variatus
Variatus Tetra
Temp 22–28°CpH 5.5–7.5dGH 1–6
Iguanodectes spilurus
Green Line Tetra +1
Temp 20–28°CpH 7.5dGH 1–12
Iksookimia yongdokensis
Korea Loach +1
Temp 20–24°CpH 8dGH 5–15
Hypsibarbus wetmorei
Wetmore's Barb +1
Temp 20–26°CpH 8dGH 3–11
Hypselobarbus jerdoni
Jerdon's Barb +1
Temp 20–26°CpH 7.5dGH 5–20
Hypseleotris compressa
Empire Gudgeon
Temp 20–30°CpH 9.1dGH 2–25
Hyphessobrycon compressus
Sailfin Tetra +1
Temp 20–26°CpH 8dGH 3–8
Hyphessobrycon vilmae
Red Phantom Tetra
Temp 20–26°CpH 7dGH 1–12
Hyphessobrycon socolofi
Red-Line Tetra
Temp 22–28°CpH 7.5dGH 1–10
Hyphessobrycon peruvianus
Peruvian Tetra
Temp 22–27°CpH 7dGH 2–10
Hyphessobrycon erythrostigma
Bleeding Heart Tetra +1
Temp 21–28°CpH 7.5dGH 1–12
Hyphessobrycon agulha
Cochu's Blue Tetra +1
Temp 20–28°CpH 7.5dGH 1–12
Hyphessobrycon brumado
Black Neon Tetra +1
Temp 22–28°CpH 5.5–7.5dGH 3–8
Hyphessobrycon borealis
Northern Tetra
Temp 22–28°CpH 6–7.5dGH 3–8
Hyphessobrycon bifasciatus
Banded Tetra +1
Temp 20–25°CpH 7.5dGH 2–15
Hyphessobrycon balbus
Amber Tetra +2
Temp 22–28°CpH 6–7.5dGH 3–8
Hyphessobrycon auca
Auca Tetra
Temp 22–26°CpH 5.5–7.5dGH 3–8
Hyphessobrycon acaciae
Red Flare Tetra
Temp 22–28°CpH 5.5–7.5dGH 4–12
Hypergastromyzon humilis
Sunken Belly Hillstream Loach +1
Temp 20–24°CpH 7.5dGH 2–12
Hyalobagrus flavus
Yellow Micro Glass Catfish
Temp 21–26°CpH 7dGH 5–12
Horadandia atukorali
Dwarf Fire Rasbora +2
Temp 20–26°CpH 7.5dGH 2–12
Homalopteroides stephensoni
Stephenson's Striped Loach +1
Temp 20–25°CpH 7.5dGH 1–12
Homalopteroides weberi
Weber’s Hillstream Loach
Temp 20–25°CpH 7.5dGH 2–12
Homalopteroides tweediei
Asian Hillstream Loach +1
Temp 20–25°CpH 7.5dGH 1–12
Homalopteroides smithi
Smith's Loach +1
Temp 20–25°CpH 7.5dGH 1–12
Pseudohomaloptera sexmaculata
Six-banded Homaloptera +2
Temp 20–26°CpH 7.5dGH 1–12
Homalopterula ripleyi
South Asian Hillstream Loach +1
Temp 20–25°CpH 7.5dGH 1–5
Homaloptera orthogoniata
Snake Hillstream Loach
Temp 20–25°CpH 7.5dGH 1–10
Homaloptera ogilviei
Ogilvie's Homaloptera +1
Temp 20–25°CpH 7.5dGH 1–12
Homalopteroides nebulosus
Clouded Hillstream Loach +1
Temp 20–25°CpH 7.5dGH 1–12
Pseudohomaloptera leonardi
Pangio Leonardi +2
Temp 18–28°CpH 7.5dGH 1–12
Homalopterula gymnogaster
Zodiac Loach +1
Temp 20–27°CpH 7.5dGH 1–8
Homaloptera confuzona
Confusion Sucker Loach
Temp 20–25°CpH 7.5dGH 1–15
Homaloptera bilineata
Two-lined Hillstream Loach
Temp 20–25°CpH 7.5dGH 1–10
Hemimyzon formosanus
Formosan Sucker Loach +1
Temp 16–22°CpH 8dGH 2–15