Effect
When this card is Normal Summoned: You can add 1 Level 3, 4 or 5 Fish-Type monster from your Deck to your hand.
The monster effect of "Mermaid Shark" is a Trigger Effect that can be activated optionally when "Mermaid Shark" itself is successfully Normal Summoned while face-up.
It does not target.
If "Mermaid Shark" is successfully Normal Summoned by the effect of "Ultimate Offering" activated as Chain 2 or higher, you cannot activate its monster effect.
If there are no Level 3-5 Fish-Type monsters in your Deck, you cannot activate the monster effect of "Mermaid Shark."
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