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