Expert Tropical Fish Quiz Welcome to the Expert Tropical Fish Quiz This tropical fish quiz for experts will provide 4 randomly generated questions. Try the quiz as many times as you want. The questions will be different each time. Click the NEXT button to begin. Which of these species are often dyed by injection? Gymnocorymbus ternetzi Paracheirodon nineis Phenoacogrammus interruptus Which of these species is often dyed by injection? Glassfish Glass Catfish Glowlight Tetra This is a picture of a Malawi Blue Dolphin Yellow Lab Golden Mbuna Which of these filters has lost popularity due to concerns about possible toxic build up? Wet / Dry Filter Underground Filter Bio Wheel Canister Filter Time's up Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.