What is the scientific name of Zebrafish?
Danio rerio
Zebrafish/Scientific names
Are Zebrafish the same as zebra Danios?
The Zebra Danio, also known as the Striped Danio or Zebrafish is a small freshwater fish. They are one of the most popular freshwater species found within the aquarium hobby and have been selectively bred and genetically modified to change their appearance.
What are zebra Danios?
The zebra danio (Danio rerio), a popular freshwater aquarium fish originally from Asia, is small (up to about 4 cm [1.5 inches] long) and has dark-blue and silvery longitudinal stripes. Zebra Danio. Related Topics: Teleost Lionfish.
How many Danio species are there?
27
Species. There are currently 27 recognized species in this genus: Danio absconditus S. O. Kullander & Britz, 2015 (Black-barred danio)
Is 3 zebra Danios enough?
Danios thrive in groups, the larger the better. Ideally you should have at least five or six danios, in a tank that holds at least 25 gallons (95 liters). A group of three fish in a smaller tank is acceptable, but can lead to stress or aggression.
What is the smallest Danio?
Celestial pearl danio
The miniscule Celestial pearl danio, (Danio margaritatus), which reaches 2.13cm/0.84” is the smallest member of the genus. Danio tinwini has a unique colour pattern of three irregular rows of dark spots along the side and spotted fins, and shares its home with the tiny Dracula fish (Danionella dracula).
What is the largest Danio?
The giant danio (Devario aequipinnatus) is a tropical fish belonging to the minnow family Cyprinidae. Originating in Sri Lanka, Nepal, and the west coast of India, this species grows to a maximum length of 4-6 inches (10-15 cm), making it one of the largest of the danionins.
How many hearts does a zebrafish have?
Unlike mammals, which have four chambers, the zebrafish heart consists of only two: a single ventricle (left) and a single atrium (right). Despite the difference in the number of chambers, the heart is the first organ to form in both mammals and zebrafish.
How do I know if my zebra danios are mating?
If you notice the fish pairing off, then it’s a good sign that mating is about to happen. Also, if you see the bellies of females enlarging and bloating, then chances are high that they’re carrying eggs that are ready for scattering and eventual fertilization.
Why do my zebra danios chasing each other?
Zebra Danios usually chase and kill other fish due to inappropriate water conditions, including elevated toxins, low pH, and inadequate temperature. However, Danios may also attack their tankmates to establish a hierarchy or when the tank is overcrowded and features too few females.
Can I have 3 danios?
Danios are a schooling fish, and I have always had better success with them in groups not less than 3. They will survive singly as well, but are always happier (subjective but viewable by their activity) in larger groups.
