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