List of brackish aquarium invertebrate species

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This is a list of various species of invertebrates, animals without a backbone, that are commonly found in brackish aquariums kept by hobby aquarists. Some species are intentionally collected for their desirable aesthetic characteristics. Others are kept to serve a functional role such as consuming algae in the aquarium. Some species are present only incidentally or are pest species.



Fiddler Crab, Uca pugnax[1]
Perisesarma bidens, Red Clawed Crab

Amano Shrimp/Yamato Shrimp, Caridina multidentata

Grass Shrimp/Glass Shrimp, Palaemonetes paludosus

Blue Crab, Callinectes sapidus



Olive Nerite, Vittina usnea[2]


Lolliguncula is the only genus of cephalopods that is known to exist in brackish water. They can tolerate as low as 8.5 PPM of salt.


  1. ^ "Fiddler Crab (Uca pugnax)". The Aquarium Wiki. Retrieved 2012-01-05.
  2. ^ Sprung, Julian (September 2003). "Aquarium Invertebrates: Nerites: Bleeding Tooth, Zebras, Checkers And More". Advanced Aquarist. Retrieved 2012-01-05.
  3. ^ Sales, João Bráullio L.; Markaida, Unai; Shaw, Paul W.; Haimovici, Manuel; Ready, Jonathan S.; Figueredo-Ready, Wilsea M. B.; Angioletti, Fabricio; Carneiro, Manoela A.; Schneider, Horacio; Sampaio, Iracilda (2014). "Molecular Phylogeny of the Genus Lolliguncula Steenstrup, 1881 Based on Nuclear and Mitochondrial DNA Sequences Indicates Genetic Isolation of Populations from North and South Atlantic, and the Possible Presence of Further Cryptic Species". PLOS ONE. 9 (2): e88693. Bibcode:2014PLoSO...988693S. doi:10.1371/journal.pone.0088693. PMC 3934857. PMID 24586371.
  4. ^ "Lolliguncula brevis | squid".