The Black Garden Eel, a small eel with the scientific name Heteroconger Perissodon, is a creature that appears in Endless Ocean and Endless Ocean: Blue World. They only appear under zoom-mode glows.

In-Game Description

Length: Roughly twenty inches

Endless Ocean

These fish have long, narrow bodies with no scales and a distinctive pattern just above their gills. Generally gray or brown in colour, they can be seen year-round in sandy shallows all over Manoa Lai.

Endless Ocean: Blue World

This long, dark, and slender eel has a faint pattern above its gills. Sticking its body out from a nest dug in the sand, its sways like grass blowing in the wind. It spends most of its life in the sand, quickly burying itself if it feels threatened. 


Endless Ocean

These eels prefer shallower, sandy places, like Taganuah Bay and Green Garden.

Endless Ocean: Blue World

They can be found in the Zahhab Region, around coordinate areas E-3/4, B-6, and D-6.


These are found under glows, usually with Spotted Garden Eels as their companions. They retreat into the ground if poked, but respond well to being fed .


  • These can be found day and night in both games.

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