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