Alkaline water fish (high pH)
Species that prefer higher pH / more alkaline water.
1424 fish found • page 38
Corydoras ehrhardti
Ehrhardt's Corydoras
Temp 18–23°CpH 7.5dGH 5–15
Lamprichthys tanganicanus
Tanganyika Killifish +1
Temp 22–25°CpH 5–8dGH 6–13
Hyphessobrycon flammeus
Flame Tetra +2
Temp 20–26°CpH 7.5dGH 1–12
Pseudotropheus red
Red Zebra +1
Temp 22–28°CpH 7–8dGH 10–17
Channa micropeltes
Giant Snakehead +2
Temp 20–30°CpH 8dGH 2–20
Xiphophorus variatus
Variatus Platy +1
Temp 20–26°CpH 8.2dGH 14–30
Macropodus spechti
Black Paradise Fish +1
Temp 20–30°CpH 8dGH 5–20
Acanthicus hystrix
Temp 23–30°CpH 7.5dGH 2–12
Variabilichromis moorii
Moorii +1
Temp 23–27°CpH 9dGH 8–25
Synodontis albolineata
White-lined Synodontis
Temp 24–28°CpH 7.5dGH 5–15
Brachirus harmandi
Harmand's Soles +1
Temp 22–26°CpH 7–8dGH 3–7
Limia vittata
Cuban Limia +2
Temp 24–29°CpH 7–8dGH 6–17
Cheilochromis euchilus
Large-lipped Hap
Temp 22–25°CpH 7–8dGH 11–17
Aulonocara maylandia
Maylandia Cichlid +1
Temp 22–25°CpH 7–8dGH 11–22
Serrasalmus serrulatus
Serrated Piranha +1
Temp 24–28°CpH 7.5dGH 5–15
Synodontis njassae
Lake Malawi squeaker +1
Temp 23–28°CpH 8.5dGH 20–30
Tetraodon pustulatus
Avocado Puffer +1
Temp 22–28°CpH 6.5–8dGH 6–17
Awaous guamensis
Hawaiian Stream Goby +1
Temp 18–28°CpH 6.5–8dGH 6–6
Ctenogobius claytonii
Clayton's Goby
Temp 20–28°CpH 6.5–8.5dGH 3–28
Proterorhinus semilunaris
Western Tubenose Goby
Temp 10–25°CpH 6.5–8dGH 8–17
Serrasalmus sanchezi
Sanchez's Piranha +2
Temp 24–28°CpH 7.5dGH 5–15
Amphilophus labiatus
Red Devil Cichlid
Temp 21–26°CpH 8dGH 5–25
Melanochromis cyanerorhabdos
Maingano Cichlid +2
Temp 22–28°CpH 7–8dGH 10–25
Leiodon cutcutia
Milk-spotted Puffer +1
Temp 22–28°CpH 6–8dGH 11–34
Salaria striped
Striped Blenny
Temp 22–25°CpH 7–8dGH 6–14
Sciades seemanni
Colombian Shark +3
Temp 22–28°CpH 7–8dGH 8–14
Astronotus crassipinnis
Thick-lipped Oscar +1
Temp 22–28°CpH 6–8dGH 3–11
Aulonocara painted
Painted Peacock Cichlid +1
Temp 22–25°CpH 7–8dGH 6–17
Sciaenochromis ahli
Electric Blue Hap +1
Temp 22–25°CpH 7–8dGH 8–11
Jenynsia lineata
One-sided Livebearer +1
Temp 22–25°CpH 7–8dGH 3–17
Heros severus
Severum +2
Temp 24–29°CpH 7–8dGH 3–8
Septaria porcellana
Porcelain Nerite +2
Temp 22–28°CpH 6–8dGH 8–14
Garra qiaojiensis
Qiaojie Garra +1
Temp 22–28°CpH 6.5–7.5dGH 3–8
Cichlasoma hybrid
Hybrid Cichlid +1
Temp 24–29°CpH 6–8dGH 6–22
Sesarma red
Red Mangrove Crab +2
Temp 22–28°CpH 8dGH 32–81
Gagata cenia
Indian Catfish +1
Temp 18–22°CpH 7–8dGH 3–8