Puffers, gobies & brackish fish

77 freshwater aquarium species in the puffers, gobies & brackish fish group, including Amazon puffer, Atlantic mudskipper and Banded archerfish. 20 have a full care profile with tank size, temperature, pH and temperament, compared in the table below.

Puffers, gobies & brackish fish care compared

Species	Adult size	Min. tank	Temperature	pH	Temperament	Care
Amazon pufferColomesus asellus	14 cm (5.5 in)	55 L (15 US gal)	22–28°C (72–82°F)	–	Semi-aggressive	–
Atlantic mudskipperPeriophthalmus barbarus	25 cm (9.8 in)	150 L (40 US gal)	25–30°C (77–86°F)	7.0–8.0	Semi-aggressive	Easy
Banded archerfishToxotes jaculatrix	30 cm (12 in)	210 L (55 US gal)	25–31°C (77–88°F)	7.0–8.0	Peaceful	Moderate
Eyespot pufferfishTetraodon biocellatus	8 cm (3.1 in)	75 L (20 US gal)	22–26°C (72–79°F)	6.5–7.5	Semi-aggressive	–
Fresh water puffer fishTetraodon mbu	67 cm (26 in)	1,515 L (400 US gal)	24–26°C (75–79°F)	7.5–8.3	–	–
Globe fishTetraodon lineatus	47 cm (19 in)	455 L (120 US gal)	24–26°C (75–79°F)	6.0–8.0	Aggressive	–
Green pufferfishTetraodon fluviatilis	20 cm (7.9 in)	190 L (50 US gal)	24–28°C (75–82°F)	7.5–8.4	–	–
Indian glassy fishParambassis ranga	8 cm (3.1 in)	75 L (20 US gal)	20–30°C (68–86°F)	7.0–8.2	Peaceful	Easy
Malabar pufferfishCarinotetraodon travancoricus	2.5 cm (1 in)	20 L (5 US gal)	22–28°C (72–82°F)	7.5–8.3	Semi-aggressive	–
Northern trout gudgeonMogurnda mogurnda	17.5 cm (6.9 in)	150 L (40 US gal)	24–26°C (75–79°F)	6.0–7.8	Semi-aggressive	Easy
Peacock gudgeonTateurndina ocellicauda	7.6 cm (3 in)	40 L (11 US gal)	22–25.6°C (72–78°F)	7.0–7.8	Peaceful	Easy
Silver moonyMonodactylus argenteus	25 cm (9.8 in)	190 L (50 US gal)	24–28°C (75–82°F)	7.0–8.5	Semi-aggressive	Moderate
Spotted green pufferfishTetraodon nigroviridis	17 cm (6.7 in)	150 L (40 US gal)	24–28°C (75–82°F)	7.5–8.4	–	–
Spotted scatScatophagus argus	30 cm (12 in)	210 L (55 US gal)	20–28°C (68–82°F)	7.5–8.5	Peaceful	Easy
Violet gobyGobioides broussonnetii	50 cm (20 in)	210 L (55 US gal)	20–26°C (68–79°F)	7.0–8.0	Semi-aggressive	Moderate
Rhinogobius duospilus	4.5 cm (1.8 in)	40 L (11 US gal)	15–25°C (59–77°F)	7.0–8.0	Semi-aggressive	Easy
Stigmatogobius sadanundio	8 cm (3.1 in)	–	20–26°C (68–79°F)	7.0–8.0	Semi-aggressive	Moderate
Tetraodon palembangensis	19.4 cm (7.6 in)	115 L (30 US gal)	24–26°C (75–79°F)	6.8–7.6	Aggressive	–
Tetraodon schoutedeni	9 cm (3.5 in)	115 L (30 US gal)	22–26°C (72–79°F)	6.5–7.5	Peaceful	Moderate
Tetraodon suvattii	11.5 cm (4.5 in)	115 L (30 US gal)	22–26°C (72–79°F)	6.5–7.5	Aggressive	–

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