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