A) Absence of scales B) A prominent spine at the angle of the operculum (gill cover) C) Three dorsal fins D) Bright red coloration all over the body
A) Chaetodontidae B) Acanthuridae C) Pomacanthidae D) Labridae
A) Coral reefs B) Arctic waters C) Freshwater rivers D) Open ocean
A) Plankton B) Small crustaceans C) Sponges D) Algae
A) Always fluorescent B) Different from adults of the same species C) Always black and white D) Identical to the adults
A) Body size alone B) Color patterns and markings C) Number of teeth D) Presence or absence of fins
A) Queen Angelfish B) Emperor Angelfish C) French Angelfish D) Flame Angelfish
A) Eibl's Angelfish B) Lemonpeel Angelfish C) Midnight Angelfish D) Coral Beauty Angelfish
A) Tropical and subtropical waters B) Temperate zones only C) Freshwater lakes D) Polar regions
A) Floating passively B) Swimming with pectoral fins C) Using jet propulsion D) Crawling along the substrate
A) Exactly 5 years B) Varies greatly depending on the species C) Always more than 50 years D) Always less than 1 year
A) Males have prominent horns B) Subtle differences in coloration or fin shape C) Size difference of more than double D) Completely different body patterns
A) Always live in large schools B) Migrate together in large groups C) Always fight each other D) Often solitary or found in pairs
A) Less than 2 inches B) Exactly 4 inches C) Over 3 feet D) Between 6 and 12 inches
A) Bicolor Angelfish B) Flame Angelfish C) Lemonpeel Angelfish D) Regal Angelfish
A) Watanabe's Angelfish B) Goldflake Angelfish C) Potter's Angelfish D) Japanese Angelfish
A) Clarion Angelfish B) Regal Angelfish C) Scribbled Angelfish D) Coral Beauty Angelfish
A) Butterflyfish prey on angelfish B) They are related but belong to different families C) They are the same fish at different life stages D) Angelfish are a type of butterflyfish
A) Lack of predators B) Extremely cold temperatures C) Habitat destruction D) Overpopulation
A) Flame Angelfish B) French Angelfish C) Japanese Angelfish D) Coral Beauty Angelfish
A) Laying on the bottom of the tank B) Increased aggression towards tank mates C) Hiding or loss of appetite D) Rapid swimming in circles
A) Elongated (snake-like) B) Laterally compressed (flat) C) Globular (ball-shaped) D) Cylindrical (round)
A) Defense against predators B) To attract mates C) To filter food D) To help them swim faster
A) Orange B) Yellow C) Blue D) Purple
A) Exclusively flake food B) Varied diet including sponges, algae, and meaty foods C) Only live food D) Only frozen brine shrimp
A) Passer Angelfish B) Asfur Angelfish C) Blueface Angelfish D) Goldflake Angelfish
A) Broadcast spawning B) Internal fertilization C) Live birth D) Asexual reproduction
A) All red body B) Pink stripes C) Yellow front and black rear D) Iridescent green scales
A) Size and habitat B) Scale color C) Fin shape D) Diet alone |