The ship was a candle ship, long and slender. There is a small image at the related link.
The main ship that Cortes directed`s name was Capitina
Some of Hernando Cortes ship names were Diego Candle Ship, San Lazaro, and the Etraos and the Gatre.
about as big as Columbus's ship
me
hairless dogs
Wallachena III
he had some supplies like guns and food on his ship
Cortes
Santa maria
de paredes
Cortes did not want any possible chance of retreat in ship from his soldiers