Common name for Ichthyophthirius multifiliis, a protozoan which infects freshwater fish. Commonly referred to as white spot due to the characteristic white nodules formed under the skin or gill tissue during the feeding stage of its life cycle.
Glossary: ich
Glossary: ichthyocide
A chemical or organic substance which kills fishes.
Glossary: ichthyofauna
The fish life inhabiting a particular habitat, country, or region.
Glossary: ichthyolite
A fossil or fossilized part of a fish.
Glossary: ichthyology
Branch of zoology concerned with the study of fishes.
Glossary: ichthyophagous
Eating or otherwise subsisting on fishes.
Glossary: ichthyotoxin
Any toxic substance derived from fishes.
Glossary: ICZN
Abbreviation for The International Commission on Zoological Nomenclature, the organisation responsible for producing and regulating the International Code of Zoological Nomenclature.
Glossary: ICZN Code
The International Code of Zoological Nomenclature, the current edition of which is located here.
Glossary: identification key
Printed or computer-aided table or other device assisting identification of species. Normally presented in the form of a single-access key.
Glossary: igapó
Type of seasonally-inundated floodplain forest in the Amazon region. The term is normally used for those forests flooded by blackwater rivers.
Glossary: igarapé
Minor tributary stream or small river in the Amazon region, the name deriving from the native nheengatu language. It literally translates as ‘canoe path’ since most igarapés are navigable by canoe or small boat and they are traditionally important as a means of transport and communication.
Glossary: impoundment
A body of water, such as a reservoir, formed by artificially-aided accumulation and storage.
Glossary: in-situ
In its original place or position.
Glossary: in-situ conservation
Process of protecting and maintaining an organism within its natural habitat.
Glossary: inbreeding
Breeding between related individuals within an isolated or otherwise closed group of organisms. Can lead to inbreeding depression but also practised intentionally by ornamental fish breeders in order to maintain or develop particular traits.
Glossary: inbreeding depression
Reduced fitness in a given population or group of organisms as a result of inbreeding.
Glossary: incertae sedis
In zoological nomenclature, of uncertain taxonomic position.
Glossary: incipient
Beginning to appear or develop, e.g., emergence of anatomical structures during a larval stage.
Glossary: incisiform
Having the form of or resembling a mammalian incisor tooth; chisel-shaped. Used in reference to the shape of teeth found in some fishes, e.g., certain members of the family Serrasalmidae.
Major Changes in New World Cichlid Taxonomy
Reclassification of Genera: Several genera have been reclassified or merged. For example, the genus Cichlasoma has been split into multiple genera, an...
6th Nov 2024
Aphyosemion rectogoense
Many thanks cyprin, the image has now been removed.
31st Oct 2024
Product reviewers wanted
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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