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