Your fish has some cool adaptations that allow it to know when you put food into the aquarium. 1  Bettas have good eyes for short distances. 2  Bettas have excellent senses of taste & smell--which in fish are essentially a single sense.  Bettas have internal ears and can hear things dropped into the aquarium.
Tweet. Comments: 33 || Add Yours. Here's your Big Bang Theory trivia of the day: Long before Kaley Cuoco joined the CBS sitcom as Leonard and Sheldon's ditzy neighbor Penny, Chuck Lorre shot a pilot with unknown Canadian actress/VJ Amanda Walsh as his female lead.
Photo: Sonja Flemming/CBS. The Big Bang Theory made it's season 9 premiere on Monday night, and the show's female lead, Penny (played by Kaley Cuoco-Sweeting), still doesn't have a last name. Even though she got married to the lead dork on the show, Leonard Hofstadter (Johnny Galecki), who obviously does have a last name.