Ichthyological terms, not general ones.
Abbreviation for ribonucleic acid, a single-stranded, self-replicating genetic material comprised of a chain of nucleotides. Present in nearly all living organisms, and replaces and performs the role of DNA in some viruses. Particularly important in protein synthesis and sometimes in transmission of genetic information.
Of, relating to, or occuring during daylight hours; having a daily cycle. Opposite of nocturnal.
Used in 6 profiles
See circadian rhythm.
A filter located outside the aquarium, typically holding larger amounts of media than an internal filter and used for larger tanks. Also known as a canister filter.
Used in 232 profiles
A filter located inside the aquarium and typically used for smaller tanks due to its reduced capcity for media compared to external filters.
Set of fixed rules for the naming of animals and the resolution of problems in zoological nomenclature.
Used in 4 profiles
The world's largest and most influential environmental organisation.
Active at night.
Used in 72 profiles
Relating to, characteristic of, or inherited from the male parent.
Used in 63 profiles
Local; common; colloquial name of an animal or plant taxon. The name of a taxon in any language other than that of zoological nomenclature.
Used in 146 profiles
Basic hereditary unit comprising a sequence of nuceleotides within a strand of DNA or RNA and occupying a fixed position on a chromosome. Generally determines a particular character or trait present in an organism by directing production and activity of RNA.
Used in 10 profiles
Abbreviation for deoxyribonucleic acid, a double-stranded, self-replicating genetic material comprised of a chain of nucleotides. Present in nearly all living organisms and is the main constituent of chromosomes. DNA segments containing genetic instructions are called genes and normally direct production and activity of RNA.
Used in 11 profiles
Basic structural unit of DNA and RNA.
An antiseptic used to treat external fungal plus general bacterial and protozoan infections in ornamental fishes and disinfect fish eggs in aquaculture. Also known as Acriflavinium chloride, ie., the chemical compound from which it is formed.
Somewhat misleading vernacular name for the freshwater shrimp Caridina multidentata Stimpson 1860, a popular addition to freshwater aquaria due to its reputation for consuming algae, though in reality it is unable to survive on a diet of algae alone. Formerly referred to as C. japonica De Man 1892 (that name is now regarded as a junior synonym of C. multidentata) and also known as the Amano shrimp. Exhibits an amphidromous life cycle in nature and is thus difficult to breed in captivity, though it has been achieved.
Member of the copepod crustacean genus Lernaea. Adult females are parasitic on freshwater fishes.
Type of vivarium containing water. Normally transparent, made of glass, plastic or acrylic and used to display, breed or otherwise maintain ornamental fishes.
Used in 1,715 profiles
In zoology, used to refer to a small spine projecting from a larger one; alternative name for spinule and, sometimes, barbel. Also used to refer to cyprinid fishes of the genera Barbus, Puntius, Systomus and related species.
Used in 189 profiles
A slender, whiskerlike, external process on the jaw or other part of the head of certain fishes used for touch and taste. Also used to refer to European members of the cyprinid genus Barbus.
Used in 319 profiles
Brand name for a range of antiseptics containing povidone-idodine sometimes used to treat ornamental fishes.