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A Maw-Ray in Super Mario Odyssey
First appearance Super Mario 64 (1996)
Latest appearance Super Mario 3D All-Stars (2020)
Mega Unagi
Spike Eel

Maw-Rays, previously known as Unagi[1][2] or simply Eels,[3] and also lowercased as eels,[4] are moray eels that first appear in Super Mario 64. They are maroon-ish red-violet in color, with yellow stripes on their back fins. The mega versions are shown in New Super Mario Bros. to be strong enough to destroy entire clusters of Brick Blocks, and cannot be defeated by any means, not even with the Super Star power-up.

Unagi (うなぎ) is the Japanese word for "freshwater eel," especially the Japanese eel, Anguilla japonica. "Maw-Ray" is a pun on "moray eel" and the word "maw."


Super Mario series[edit]

Super Mario 64 / Super Mario 64 DS[edit]

Unagi from Super Mario 64

One Unagi, sometimes referred to as Unagi the eel,[5] appears in Super Mario 64 and its remake, Super Mario 64 DS. The player character can lure it out of its sunken ship home in Jolly Roger Bay by swimming near and provoking it to attack. The player must then swim a short distance away and then swim back to the ship. Unagi will have left the ship, allowing the player to enter it via the ship's window. Once inside, if Mario opens the chests in the correct order, the ship will surface, causing the water inside the ship to drain, thus allowing the player to get the Power Star.

Unagi is seen again later, this time making a water cove its home. Once again, Mario and friends can lure it out in the same fashion as before. The water cove is not accessible, but there is a Power Star attached to the eel's tail. To gain it, Mario and friends must simply touch it. If too much time passes, Unagi will return to the alcove and will have to be lured out again.

In later missions, Unagi circles the previous location of the sunken ship. Its Super Mario 64 design resembles a gulper eel, while its Super Mario 64 DS design depicts it with a Chomp-like face. This later design would be used until Super Mario Odyssey.

New Super Mario Bros.[edit]

Unagi as seen in New Super Mario Bros.

Unagi appear in New Super Mario Bros. as an enemy in underwater levels, retaining their Super Mario 64 DS design. They only appear in World 4-3 and World 8-3. In World 8-3, Unagi swim around in a predictable pattern trying to hit Mario or Luigi. Some Unagi also live in small underwater coves, attacking anything in its vicinity. Unagi can be defeated with a Mega Mushroom and a Super Star. There is also a big version called the Mega Unagi.

Super Mario Odyssey[edit]

In Super Mario Odyssey, Unagi make an appearance in Seaside Kingdom under their current name, Maw-Ray. They are redesigned to have more detailed appearance with realistic anatomy as well as menacing, glowing eyes. They guard some of the kingdom's Power Moons, including a grotto where Mario must swim past several of them to get to the top of the Lighthouse. Similar to New Super Mario Bros., they attack by lunging out of their nesting spots at a high rate of speed before snapping their enormous jaws and receding, and can be positioned either horizontally or vertically. Before they emerge, a plume of sand can be seen coming from their caves, which appear to be blocked with sand. They reappear in the Mushroom Kingdom, where a few of them lunge upwards out of the clouds.

Mario no Bōken Land[edit]

Scan of Mario, Luigi, and Donkey Kong encountering Unagi in Mario no Bōken Land

The manga Mario no Bōken Land features adaptations of various games, one of them including Super Mario 64. The Super Mario 64 section of the book features Mario, Luigi and Donkey Kong traversing through several of the worlds in Super Mario 64; one of them, being an encounter with Unagi in Jolly Roger Bay.

Mario Party 4[edit]

In the minigame Manta Rings from Mario Party 4, a reddish-brown eel resembling an Unagi darts in front of the characters with a high-pitched noise as they pass a sunken ship, resembling the one from Jolly Roger Bay. If bumped into, three points are deducted.

Mario Kart series[edit]

Mario Kart Wii[edit]

Several Unagi in Mario Kart Wii

Several Unagi reappear in Mario Kart Wii, where they can be seen while traveling through the underwater tunnel in Koopa Cape, poking their heads out of various Pipes. A closer one can be seen swimming outside of Chain Chomp Wheel.

Mario Kart 7[edit]

They also reappear again in Mario Kart 7, making a cameo in the underwater zones of Daisy Cruiser and Koopa Cape.

Mario Kart Arcade GP DX[edit]

An Unagi in Mario Kart Arcade GP DX

In Mario Kart Arcade GP DX, they make a small appearance in the underwater parts of the race track Tropical Coast.

Mario Kart 8 / Mario Kart 8 Deluxe[edit]

Unagi in Dolphin Shoals

A single one appears in an underwater section of the Mario Kart 8 track Dolphin Shoals, where players race along its body for a short section and can perform Tricks from its undulating body. It returns in the enhanced Nintendo Switch port Mario Kart 8 Deluxe.


Names in other languages[edit]

Language Name Meaning
Japanese ウツボ
Ō Utsubo

Big Moray
Chinese 海鳗 (Simplified)
海鰻 (Traditional)
Dutch Maw-Ray -
French Anguy
From "anguille", the French word for Eels, and "Guy", a masculine name).
From "mordre" (bite) and "murène" (moray). The name is written in lowercase for the Canadian version ("mordrène") while it is capitalized in the European version ("Mordrène"). (Super Mario Odyssey)
German Kano
(Before Super Mario Odyssey)
From "Muränen" (moray).
Italian Mordorena From "mordo" (bite) and "murena" (moray).
Korean 곰치
Spanish Morena
Moray (before Super Mario Odyssey)
From "morder" (bite) and "morena" (moray). The name is written in lowercase for the Latin American version ("mordimore") while it is capitalized in the European version ("Mordimore").


  1. ^ M. Arakawa. Super Mario 64 Player's Guide. Page 12.
  2. ^ Loe, Casey. New Super Mario Bros. Player's Guide. Page 12.
  3. ^ (February 24, 1998). Eel - (Course 3). Nintendo: Super Mario 64 Strategy (Internet Archive: Wayback Machine). Retrieved February 23, 2018.
  4. ^ Nintendo of America (September 17, 2020). Take a nice swim in Jolly Roger Bay from Super Mario 64. There’s all sorts interesting things to find, like a pirate ship at the bottom of the bay, or a giant eel. Hmm, maybe there’s something special about that eel? #SuperMario3DAllStars. Twitter. Retrieved September 17, 2020.
  5. ^ M. Arakawa. Super Mario 64 Player's Guide. Page 33.
  6. ^ Super Mario 64 Japanese character info bookMedia:SM64 Character Info Book.jpg