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  • Hisonotus aky
  • Hisonotus aky
  • Hisonotus akyVideo
  • Hisonotus akyMale
  • Hisonotus akyFemale
  • Hisonotus aky
  • Hisonotus aky
  • Hisonotus aky
  • Hisonotus akyPair
  • Hisonotus akyClose-up of male
  • Hisonotus akyClose-up of female
  • Hisonotus akyOne month old fry
  • Hisonotus akyOne day old eggs
  • Hisonotus akyTwo day old eggs
  • Hisonotus akyThree day old eggs
  • Hisonotus akyFour day old eggs
  • Hisonotus akyNewly hatched fry
Down Cat-eLog Data Sheet
Scientific Name Hisonotus aky  (Azpelicueta, Casciotta, Almirón & Koerber, 2004)
Common Names Green Oto
Green Hisonotus, Grøn Dværgsugemalle (Denmark)
Type Locality Arroyo Garibaldi, 26°38'46.1"S, 53°59'55"W, Río Uruguay basin at Misiones, Argentina.
Synonym(s) Epactionotus aky
Pronunciation hi sow note uss
Etymology (Greek)Isos=equal + (Greek)noton=back. 
Articles
Article Link - CotM Right 2014 Right August
Down Species Information
Size 45mm or 1.8" SL. Find near, nearer or same sized spp.
Identification Easily identified by the striking green colouration.
Sexing Males have more spotted pattern, less green and longer fins (especially the tail fin). Also slimmer from above. Females very green and vent is shorter and blunt.
Down Habitat Information
Distribution South America: endemic to Argentina.
La Plata, Uruguay (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
Down Husbandry Information
Feeding In captivity will eat algae disks, soft leaves of certain stem plants (i.e. Hygrophila polysperma) and shrimp pellets can be offered sparingly. User data.
Breeding Has been bred in the aquarium.
Breeding Reports There is no breeding report.
Down Further Information
Reference Verhandlungen der Gesellschaft für Ichthyologie v. 4 (2004), pp 82, Figs. 1-6.
Registered Keepers There are 8 registered keepers, view all "my cats" data.
Wishlists Love this species? Click the heart to add it to your wish list.
There are 16 wishes to keep this species, see who wants what.
Spotters Spotted this species somewhere? Click the binoculars!
There are 5 records of this fish being seen, view them all.
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Last Update 2023 Aug 12 07:34 (species record created: 2005 Jan 23 00:00)