Effect
When this card is Normal Summoned: You can reduce the Levels of all Level 4 Fish-Type monsters you currently control by 1. This card can make a second attack during each Battle Phase.
The monster effect "When this card is Normal Summoned: You can reduce the Level of all Fish-Type Level 4 monsters you control by 1" is a Trigger Effect.
The monster effect "You can reduce the Level of all Fish-Type Level 4 monsters you control by 1" does not target. It is an effect that is applied to all face-up Fish-Type Level 4 monsters in your Monster Zone. (It is also applied to "Two-Headed Shark" itself.)
If this card is Normal Summoned by the effect of "Ultimate Offering" activated as Chain 2 or higher, you cannot activate the monster effect "You can increase the Level of all Fish-Type Level 3 monsters you control by 1."
The monster effect "This card can make a second attack during each Battle Phase" is a Continuous Effect.
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