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