Differing or deviating.
Glossary: divergent
Glossary: diverse
Differing from one another; exhibiting variety.
Glossary: diversity
The state of being diverse.
Glossary: diverticulum
A pouch or sac branching from a hollow organ or structure, such as the alimentary canal.
Glossary: DNA
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.
Glossary: dorsal
Of, toward, on, in, or near the back or upper surface of an organism or part.
Glossary: dorsal surface
See dorsum.
Glossary: dorsal-fin
Median, rayed, unpaired fin located on the dorsal surface (back) of most fishes. Its main purpose is to prevent the animal rolling and enable it to turn sharply. Some species possess more than one dorsal fin, in which case the anterior one is referred to as the first.
Glossary: dorsolateral
Positioned or orientated between the dorsal and lateral surfaces.
Glossary: dorsoventral
Positioned or orientated between the dorsal and ventral surfaces.
Glossary: dorsoventrally
In a dorsoventral direction or sense.
Glossary: dorsum
The upper surface of the head, body or part.
Glossary: drip acclimation
Method of acclimation used for sensitive fish species in which the animals are first placed into a clean bucket or other container before water is slowly dripped in by siphon from the aquarium into which they are to be introduced. Can be carried out using a purchased kit or home-made using a length of airline […]
Glossary: dropsy
Accumulation of fluid in cellular tissue or other body cavity, symptomatic of some underlying infection or other health issue but not a disease in itself. May also be referred to as 'oedema' or 'edema'.
Glossary: durophagous
Feeding on hard-shelled or exoskeleton-bearing organisms such as molluscs.
Glossary: dusky
Darkish in colour.
Glossary: dwarfism
Condition of having atypically small size.
Product reviewers wanted
Hello! Very much interested in writing for you, please include me in the info. Thank you for the opportunity!
6th Sep 2020
Product reviewers wanted
I would be interested in reviewing products. Before retiring I was a technical writer and managed a Quality Management Program.
30th Aug 2020
Product reviewers wanted
I'm interested and can write reviews from the perspective of someone new to the hobby. I'm only 3-4 months in, but hopefully I can help someone that's...
23rd Aug 2020
Product reviewers wanted
I’m interested in doing this if there is still availability, it sounds like fun! Thanks
19th Aug 2020
Barbodes semifasciolatus – Golden Barb* (Barbus sachsii, Puntius schuberti)
I simply had a question (please forgive if this is not allowed, I read the FAQ but I was not sure). I was wondering if there is any evidence of offsp...
12th Aug 2020