A) Anal fin B) Adipose fin C) Dorsal fin D) Caudal fin
A) Globular B) Disk-shaped C) Torpedo-shaped D) Eel-shaped
A) Insects and invertebrates B) Detritus C) Algae D) Plant roots
A) Highly alkaline B) Very acidic C) Brackish D) Slightly acidic to neutral
A) Glowlight Danio (Danio choprai) B) Giant Danio (Devario aequipinnulus) C) Pearl Danio (Danio albolineatus) D) Zebra Danio (Danio rerio)
A) A disease affecting Danios B) A type of Danio food C) A related genus of larger Danios D) A specific fin pattern
A) 8-10 inches B) 5-7 inches C) 1 foot or more D) 1-3 inches
A) Aggressive territoriality B) Nocturnal hunting C) Solitary bottom-dwelling D) Active schooling
A) Body shape B) Fin ray count C) Scale size D) Color pattern
A) South America B) Southeast Asia C) Africa D) Australia
A) Zebra Danio (Danio rerio) B) Pearl Danio (Danio albolineatus) C) Leopard Danio (Danio frankei) D) Celestial Pearl Danio (Danio margaritatus)
A) Males and females have different appearances B) They only reproduce in groups C) They can change their sex D) They reproduce asexually
A) Females have brighter colors B) Males have longer fins C) Males are always larger D) Females are usually rounder
A) Purple B) Silver C) Gold D) Blue
A) Diamond Guppy B) Emerald Tetra C) Galaxy Rasbora D) Ruby Barb
A) Livebearers B) Nest builders C) Mouthbrooders D) Egg scatterers
A) 10 gallons B) 2 gallons C) 50 gallons D) 5 gallons
A) Very strong current B) Moderate current C) No current D) Stagnant water
A) Zebra Danio (Danio rerio) B) Giant Danio (Devario aequipinnulus) C) Glowlight Danio (Danio choprai) D) Spotted Danio (Danio nigrofasciatus)
A) Danio albolineatus B) Danio choprai C) Danio rerio D) Danio margaritatus
A) Pectoral fin B) Caudal fin C) Anal fin D) Dorsal fin
A) Clamped fins B) Brighter colors C) Increased appetite D) Increased activity
A) Hiding amongst plants B) Laying eggs C) Swimming together in a loose group D) Aggressively defending a territory
A) Building bubble nests B) Burying themselves in the substrate C) Hunting larger fish D) Playing in the filter current
A) Aggressive, fin-nipping species B) Corydoras catfish C) Small tetras D) Peaceful rasboras
A) Cloudy water B) A strong fishy odor C) Clear water and stable parameters D) High ammonia levels
A) Only when the water is visibly dirty B) Weekly or bi-weekly C) Monthly D) Every six months
A) 1-2 years B) 6-8 years C) 10+ years D) 3-5 years
A) Small flakes or pellets B) Large sinking pellets C) Live goldfish D) Vegetable matter only
A) Zebra Danio (Danio rerio) B) Spotted Danio (Danio nigrofasciatus) C) Giant Danio (Devario aequipinnulus) D) Pearl Danio (Danio albolineatus) |