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