fish (n) - any of various cold-blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with scales.
Poseidon (n) - the ancient Greek god of the sea, with the power to cause earthquakes, identified by the Romans with Neptune.
Rebecca "Becca" Claire Brown (born March 12, 1999, age 11) is a demigod daughter of Poseidon.
Becca has long jet black hair and deep green eyes. She has freckles all over her face and is unusally small even for her age.
Note: Year of story is 2008, therefor Becca is 9.
She goes to Camp Half-Blood with Victoria.
She is then claimed by Poseidon.
Half-Brothers Percy Jackson
Tyson the Cyclops