balık

/ balɯq /

Cases

SingularPluralWhen to use it
nominative balık the fish balıkla the fish the plain dictionary form — the doer of the sentence
genitive balıknı the fish's balıklanı the fish's the owner — whose it is
accusative balıknı the fish (as the object) balıklanı the fish (as the object) a specific, known object — whom or what
dative balıkğa to the fish balıklağa to the fish direction or recipient — to where, to whom
locative balıkda at / in the fish balıklada at / in the fish where it is; also having — mende bar, "I have it"
ablative balıkdan from the fish balıkladan from the fish where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
my balığım my fish balıklarım my fish
your balığıng your fish balıklarıng your fish
his / her balığı his / her fish balıkları his / her fish
our balığıbız our fish balıklarıbız our fish
you all's balığığız you all's fish balıklarığız you all's fish
their balıkları their fish balıkları their fish

The overlap in the last rows is real, not a mistake: balıkları can mean "his / her fish", "their fish", or "their fish" — context decides.