List of brackish aquarium fish species

This is a list of commonly seen fish that can be kept in a brackish water aquarium.

Cyprinidontiformes

Poeciliids
Common name taxonomy Picture Max size Tank Type Description Temperature Range pH range Water Hardness Salinity
GuppyPoecilia reticulataCommunityMany color and tail pattern varieties exist, also can tolerate above ocean level salt. Normally freshwater.
Black mollyPoecilia sphenopsCommunity
Sailfin mollyPoecilia latipinnaCommunityGold and silver varieties commonly found.
Other
Common name Taxonomy Picture Max size Tank Type Description Temperature Range pH range Water Hardness Salinity
Four-eyed fishAnableps spp.12"These fish can see above and below water.
American FlagfishJordanella floridaeCommunityMay eat hair algae, but also may eat plants.

Catfish

Common nameTaxonomyPictureSizeTank TypeRemarksTemperature rangepH rangeWater hardnessSalinity
Sea catfish
Colombian shark catfishHexanematichthys seemanni
Australian shark catfishArius graeffei
Berney's shark catfishArius berneyi

Pufferfish

Common nameTaxonomyPictureSizeTank TypeRemarksTemperature rangepH rangeWater hardnessSalinity
Common Toadfish, ToadoTetractenos hamiltoni4"Species tank or with other fish too large to bully.Rarely seen in the aquarium trade, even in Australia, where it is native. Adaptable to a wide range of conditions and habitats, from marginal, polluted freshwater-brackish creeks to fully marine seagrass flats, as long as the habitat is sheltered from strong currents.
Figure 8 pufferfishTetraodon biocellatus4"Best kept as species onlyRequires brackish aquarium conditions with very low Nitrite and Nitrate levels to be kept successfully. Freshwater compromises immune system, harms puffer, and shortens life extremely. Commonly kept in freshwater.
Green spotted pufferTetraodon nigroviridis6"Best kept as species onlyOften sold as freshwater fish, but this species actually thrives in brackish water. As the fish matures, it requires the salinity levels to slowly increase with age. Must be kept in aquarium with very low Nitrite and Nitrate levels to be kept successfully. A highly varied diet is a necessary requirement for this species. Prawns, muscle meat, mysid, squid and aquatic snails are all relished. Provide Shelled food to naturally trim the puffers constantly growing teeth.1.008-1.018

Gobies

Common nameTaxonomyPictureSizeTank TypeRemarksTemperature rangepH rangeWater hardnessSalinity
Bumblebee gobyBrachygobius xanthozonus1.5"Community or Species OnlyOften a picky eater. Will accept thawed frozen brine shrimp or mysis shrimp. Can be outcompeted for food by more aggressive fish.
Water CowEleotris picta17"
Violet goby, Dragon gobyGobioides broussonnetii21"Brackish community tankThough pet stores often label as "vicious" this fish is actually quite harmless
Mudskipper (Barred Mudskipper)Periophthalmus argentilineatus6"This fish requires "land" to crawl out of the water.
Mudskipper (Atlantic Mudskipper)Periophthalmus barbarus9"This fish requires "land" to crawl out of the water.
Knight gobyStigmatogobius sadanundio3.5"

Cichlids

Common nameTaxonomyPictureSizeTank TypeRemarksTemperature rangepH rangeWater hardnessSalinity
Cichlids
Blackchin tilapiaSarotherodon melanotheron melanotheron11"
Orange chromideEtroplus maculatus3"
Green chromideEtroplus suratensis15"
Mayan cichlid or Mexican mojarraMayaheros urophthalmus39.4 cm28 - 33 degrees Celsius0 - 40 ppt

Other fish

Common nameTaxonomyPictureSizeTank TypeRemarksTemperature rangepH rangeWater hardnessSalinity
Siamese tigerfishDatnioides microlepis18"These fish must be kept in large aquaria.[1]22–26 °C (72–79 °F)7.6–8.0
New Guinea tigerfishDatnioides campbelli13"Keep with other big fishes that can not fit to its mouthThese fish must be kept in large aquaria.[2]22–26 °C (72–79 °F)7.6–8.0
Silver moonyMonodactylus argenteus10"These fish are also known from marine habitats.
African moonyMonodactylus sebae10"These fish are also known from marine habitats.
Indian glassy fishParambassis ranga3.1"These fish are often dyed.
Targetfish, Jarbua teraponTerapon jarbua14"These fish breed in saltwater and the young return to freshwater.
Banded archerfishToxotes jaculatrix12"These fish have the ability to shoot water to hit their insect prey.
Green Scat, Ruby ScatScatophagus argus15"Community, especially with Monodactylus sp. (Monos)A ravenous herbivore that quickly defoliates any aquatic plants in the aquarium. One of the few common brackish water plants in the trade, the Java Fern (Microsorum pteropus) appears to be toxic to these fish and should not be planted with "scats".
HogchokerTrinectes maculatus3"Often sold under the misnomers "Freshwater Flounder" or "Freshwater Fluke", but is in fact a brackish water fish

See also

References

  1. Schäfer F, Brackish - Water fishes, Aqualog 2005 p. 70
  2. Schäfer F, Brackish - Water fishes, Aqualog 2005 p. 70
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