Top 10 Fish Monsters in Yu-Gi-Oh

Updated on October 11, 2019
Jeremy Gill profile image

Jeremy enjoys dueling in between working as a chemical analyst and campus building manager.

What Are Fish Monsters in Yu-Gi-Oh?

In dueling, the water-attribute is often seen among aqua, sea serpent, and fish-type monsters, and since aqua creatures are seen in much greater abundance, fish are surprisingly rare combatants. However, they compensate with unique swarming and level-altering effects, and they combo well with formidable water support cards like Salvage and Aquarium Stage.

10 Best Fish Monster Cards

Despite their relative infrequency, we've encountered dozens of deep sea denizens to boost our ocean-themed decks. But with so many trout swimming rampant, which guppies are worth your time? These are the ten strongest fish monsters in Yu-Gi-Oh!

  • Shark Caesar
  • Mermail Abysslung
  • White Aura Biphamet
  • White Aura Dolphin
  • Mermaid Shark
  • Double Fin Shark
  • Citadel Whale
  • Superancient Deepsea King Coelacanth
  • Beautunaful Princess
  • White Aura Whale

Shark Caesar
Shark Caesar

10. Shark Caesar

ATK: 1800
DEF: 2000

On the surface, Shark Caesar doesn't seem terribly impressive. For a rank three xyz material that needs at least three materials, it's only packing 1800 ATK. However, once per turn, you can detach an xyz unit to place a "shark counter" on Caesar. These counters last indefinitely and increase Caesar's ATK by 1000 each whenever it attacks or is attacked (for that battle only).

Thus, if Caesar lasts long enough to detach its three units, it'll swing for a whopping 4800 damage, and if you used the maximum of five xyz materials, Caesar eventually hits for an astounding 6800!

Mermail Abysslung
Mermail Abysslung

9. Mermail Abysslung

ATK: 1200
DEF: 1800

While part of the Mermail archetype, Abysslung functions well in any water deck. He's got a decent 1800 DEF, but he increased the ATK of all water monsters you control by 300 (including himself), a nice boost to empower your entire team. More than that, Abysslung prevents your opponent from targeting other face-up water monsters for attacks.

If you can field two Abysslung copies, you've entirely shut down your opponent's ability to swing until they find a non-combat way to remove one. Meanwhile, you'll be assaulting them with your buffed units. Of course, even a singular Abysslung makes a good cover for useful but weak fish we'll soon encounter (looking at you, Mermaid Shark).

White Aura Biphamet
White Aura Biphamet

8. White Aura Biphamet

ATK: 3300
DEF: 3000

Biphamet offers incredible power to duelists who can satisfy its tricky summoning condition. It'll accept any nontuners for its synchro summon, but you must use a tuner that's also a synchro monster. These are a rare bunch; thankfully, the White Aura series contains several creatures to help cast their ace.

Biphamet enjoys a spectacular pair of battle stats, and when synchro summoned, you can special summon a Divine Dragon monster token with the same impressive traits, though it must arrive in defense position. During your opponent's turn, if you've lost your token, Biphamet can summon a new one, and if your opponent destroys Biphamet with a card effect while you control your token, you can revive him.

Basically, this divine warrior and his twin cover their counterpart, rejuvenating each other and heckling your opponent until they can simultaneously annihilate both at once—if they can survive long enough.

White Aura Dolphin
White Aura Dolphin

7. White Aura Dolphin

ATK: 2400
DEF: 1000

White Aura Dolphin's useful for both its own merits and its ability to play Biphamet. It wields a decent 2400 ATK and handily accepts and tuner and nontuner combination. Not only that, you can (once per turn) halve the ATK of an opponent's monster until the end of the turn, making it pretty easy to triumph in battle.

Additionally, if Dolphin is destroyed by an opponent's card (whether through battle or effect), and sent to your graveyard, you can banish a different water monster from your graveyard to revive Dolphin, now treating it as a tuner. Not only does this replace Dolphin and let you again harness its halving ability, it makes a great method for synchro summoning Biphamet thanks to its new synchro/tuner status. In short, due to its easy summon and strong powers, Dolphin's one of the best archetype-independent synchro monsters.

Mermaid Shark
Mermaid Shark

6. Mermaid Shark

ATK: 100
DEF: 300

Despite its pitiful battle stats, Mermaid Shark offers a sweet search to any deck that can spare a normal summon. When normal summoned, Shark lets you add any level 3, 4, or 5 fish monster from your deck to your hand, expertly searching several different ranks of sushi to hand. Once you've triggered its hunt, you don't really need to keep Shark alive, making it great fodder for a tribute, xyz, or link summon.

Double Fin Shark
Double Fin Shark

5. Double Fin Shark

ATK: 1000
DEF: 1200

While it's pretty frail in battle, Double Fin can revive a level three or four fish from your graveyard in defense position with its effects negated. From there, you're set for a synchro, xyz, or link summon, letting you play your boss monsters using just one card's abilities.

As icing on this terrifying carnivorous cake, Double Fin (unlike several cards) can even revive duplicate copies of itself, letting it stack with both Double Fin clones and other sea dwellers.

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Citadel WhaleSea Stealth Attack
Citadel Whale
Citadel Whale
Sea Stealth Attack
Sea Stealth Attack

4. Citadel Whale

ATK: 2350
DEF: 2150

The classic Fortress Whale wasn't terribly impressive for its time, and it's laughably bad now. Thankfully, it enjoys a spiritual successor, albeit one that discards its ritual monster status. Citadel's ATK is rather low for a level seven behemoth, but its effect lets you tribute two monster to special summon it from either your graveyard or hand, resurfacing from your discard pile and saving your turn's normal summon. Additionally, when special summoned, you can set the useful Sea Stealth Attack trap from your deck, preparing you for future combos.

Finally, Citadel can (once per turn on either turn) negate and destroy an opposing effect that targets a face-up water monster you control. This shields your blubbery mammal as well as other aquatic warriors, forcing your opponent to spend a rare non-targeting removal (like Raigeki) if they want to disrupt your squad.

Superancient Deepsea King Coelacanth
Superancient Deepsea King Coelacanth

3. Superancient Deepsea King Coelacanth

ATK: 2800
DEF: 2200

As a level seven monster, you'll need two sacrifices to tribute summon Deepsea King, but you could also use a pendulum scale of eight or higher to avoid losing minions. Either way, this leviathan arrives with a fierce 2800 ATK, and you can (once per turn) discard a card to special summon as many level four or lower fish monsters from your deck as possible. This expertly swarms your field while sparing your limited extra deck zones, although the summoned monsters have their effects negated and can't declare attacks.

Still, these anchovies make fantastic fodder for xyz, link, or tribute summons, or if nothing else, blockers. They also fuel Deepsea's next effect: he can tribute another fish you control to negate and destroy an effect that targets him. Since there's no pesky "once per turn" text, as long as you have the chum to spare, you can guard against multiple removals in the same turn with this sweet ability.

Beautunaful Princess
Beautunaful Princess

2. Beautunaful Princess

ATK: 0
DEF: 0

She's absolutely worthless in battle, but Princess wields a fantastic entrance effect: When either normal or special summoned, she can banish herself to field a level four or lower fish from your deck, other than another copy of herself. This essentially lets you play whatever fish low-level fish you want, and it helpfully works even if she's special summoned (perhaps after being discarded to and revived from the graveyard).

Princess's exile makes it hard to recover her, but even banished cards can strengthen effects of cards such as Underworld Egg Clutch. Not only that, you can actually use Princess's 0 DEF to your advantage with cards like Masked Chameleon, further increasing her versatility.

White Aura Whale
White Aura Whale

1. White Aura Whale

ATK: 2800
DEF: 2000

Compared to Biphamet, Whale offers a much more easily-summoned ace to the White Aura archetype, only requiring its tuner and nontuner(s) to be water-attributed. When synchro summoned, Whale can brutally nuke and destroy all opposing attack position monsters, and it may attack two monsters in each battle phase. Not only that, Whale inflicts piercing battle damage to defense position monsters, and (just like Dolphin) can banish another water monster to revive itself as a tuner from your graveyard when destroyed by an opponent.

Easily the best fish yet, I've used Whale to great effect myself in several water/synchro decks. Considering its prowess and extra deck status (extra deck cards tends to cost more), I expected Whale would run me at least a few dollars, but was pleasantly surprised to discover it's amazingly cheap; you can buy your own for well under a dollar!

Which card do you prefer?

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How to Use Fish Monsters

The three traditional water types (aqua, fish, and sea serpent) generally work well together and can combine their powers alongside water support such as "Moray of Greed" and "A Legendary Ocean" to form formidable deck structures.

Fish themes once enjoyed a lethal OTK (one turn kill) using Deepsea to summon Fishborg Blaster, but now that Blaster's banned, we'll have to be more creative. Since they're not as abundant as popular types like dragon or machine, fish don't have quite as many plays on their own, but that doesn't mean they're weak, just that you'll have more success when blending them with other synergies. But for now, as we eagerly await Konami's next expansion of terrifying trout, vote for your favorite fish and I'll see you at our next Yu-Gi-Oh countdown!

© 2018 Jeremy Gill


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