Home/Store/Fish Out of Stock
Green Oto - (Hisonotus aky)

Green Oto - (Hisonotus aky)

$25.00
Sold out
Price of shipping is not included.
Size
Sold out
Save this fish to my favorites.
Customer reviews
Reviews only from verified customers
No reviews yet. You can buy this product and be the first to leave a review.
Share this product with your friends
ShareSharePin it
Green Oto - (Hisonotus aky)
Fish Details, Description and Information Below:

🐟 Green Oto (Hisonotus aky)

The Green Oto is a small, peaceful armored catfish native to South America. Known for its delicate greenish coloration and excellent algae-eating habits, it is a popular choice for nano tanks and planted aquariums.


🔍 Quick Facts

  • 🆔 Common Name: Green Oto
  • 🧬 Scientific Name: Hisonotus aky
  • 🧬 Family: Loricariidae
  • 🌎 Origin: South America — Paraguay and Paraná River basins
  • 📏 Max Size: Up to 1.5 inches (4 cm)

🕊️ Behavior & Temperament

  • 🕊️ Peaceful and social
  • 🐟 Active algae grazer
  • 🤝 Best kept in groups of 4 or more
  • 🏞️ Prefers well-planted tanks with plenty of hiding places

🏡 Tank Requirements

  • 🛁 Minimum Tank Size: 10 gallons+
  • 🪵 Provide driftwood, plants, and smooth rocks
  • 💨 Moderate filtration and stable water parameters

Water Parameters:

  • 🌡️ Temperature: 72–79°F (22–26°C)
  • ⚗️ pH: 6.5–7.5
  • 💧 Soft to moderately hard water

🍽️ Diet

  • Omnivorous — algae, biofilm, and sinking pellets

📊 Overview Table

🏷️ Feature 📋 Details
🆔 Common Name Green Oto
🧬 Scientific Name Hisonotus aky
🌍 Origin South America — Paraguay & Paraná basins
📏 Max Size Up to 1.5 in (4 cm)
🕊️ Temperament Peaceful, social
🛁 Tank Size 10+ gallons
⚗️ pH Range 6.5–7.5
🌡️ Temperature 72–79°F (22–26°C)
🍽️ Diet Omnivorous
🐠 Ideal For Nano tanks, planted community aquariums

📝 Snippet

The Green Oto (Hisonotus aky) is a tiny, peaceful algae-eating catfish perfect for small, planted tanks. Its social nature means it thrives in groups and adds gentle activity to any nano aquarium.

Show More
Below are fish you may also like.
Wild Caught
L083 - (Pterygoplichthys xinguensis)
L083 - (Pterygoplichthys xinguensis)
L083 - (Pterygoplichthys xinguensis)
Price of shipping is not included.
$300.00
Out of stock
Wild Caught
L199 Yellowhead Zebra Pleco - (Hypancistrus furunculus)
L199 Yellowhead Zebra Pleco - (Hypancistrus furunculus)
L199 Yellowhead Zebra Pleco - (Hypancistrus furunculus)
Price of shipping is not included.
was $50.00
Save 10%
$45.00
Wild Caught
LDA078 Purus Tiger Pleco - (Peckoltia brevis)
LDA078 Purus Tiger Pleco - (Peckoltia brevis)
LDA078 Purus Tiger Pleco - (Peckoltia brevis)
Price of shipping is not included.
5.0
(1)
was $70.00
Save 7%
$65.00
Wild Caught
Midas Cichlid - (Amphilophus Citrinellum)
Midas Cichlid - (Amphilophus Citrinellum)
Midas Cichlid - (Amphilophus Citrinellum)
Price of shipping is not included.
$40.00
Out of stock
Wild Caught
Royal Twig Catfish - (Sturisomatichthys panamensis)
Royal Twig Catfish - (Sturisomatichthys panamensis)
Royal Twig Catfish - (Sturisomatichthys panamensis)
Price of shipping is not included.
$40.00
Out of stock
Wild Caught
Threespot Headstander - (Pseudanos trimaculatus)
Threespot Headstander - (Pseudanos trimaculatus)
Threespot Headstander - (Pseudanos trimaculatus)
Price of shipping is not included.
was $30.00
Save 50%
$15.00
Wild Caught
Ornate ctenopoma - (Microctenopoma ansorgii)
Ornate ctenopoma - (Microctenopoma ansorgii)
Ornate ctenopoma - (Microctenopoma ansorgii)
Price of shipping is not included.
$18.00
Out of stock
Wild Caught
L024 Red Fin Cactus Pleco - (Pseudacanthicus pitanga)
L024 Red Fin Cactus Pleco - (Pseudacanthicus pitanga)
L024 Red Fin Cactus Pleco - (Pseudacanthicus pitanga)
Price of shipping is not included.
5.0
(1)
was $130.00
Save 4%
$125.00
Out of stock
Wild Caught
Coptodon Discolor
Coptodon Discolor
Coptodon Discolor
Price of shipping is not included.
$80.00
Out of stock
Captive Bred
Coatique Cichlid - (Paratheraps sp. "Coatzacoalcos")
Coatique Cichlid - (Paratheraps sp. "Coatzacoalcos")
Coatique Cichlid - (Paratheraps sp. "Coatzacoalcos")
Price of shipping is not included.
$50.00
Out of stock
Wild Caught
Bumblebee Dwarf Pleco - (Lampiella cf. gibbosa)
Bumblebee Dwarf Pleco - (Lampiella cf. gibbosa)
Bumblebee Dwarf Pleco - (Lampiella cf. gibbosa)
Price of shipping is not included.
$30.00
Out of stock
Wild Caught
Warrior Catfish - (Hemiarius dioctes)
Warrior Catfish - (Hemiarius dioctes)
Warrior Catfish - (Hemiarius dioctes)
Price of shipping is not included.
$400.00
Out of stock
  • Search for Fish
  • My Account
  • Track Orders
  • Favorite Fish.
  • Fish Shopping Bag
Powered by Lightspeed
Display prices in:USD
Skip to main content
ENES
Menu
Home
Shop For Fish
Terms & Conditions/FAQ
Shipping & Payments
About Us
Contact Us
© Jasons Plecos & Cichlids LLC 2017-2025
Language:
ENES
Terms & ConditionsPrivacy PolicyShipping & Payment InfoReturn PolicyQuarantine Your FishReport abuse
Powered by Lightspeed