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Glossary: ich

February 15th, 2012 — 3:31pm

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: ichthyocide

February 15th, 2012 — 3:31pm

A chemical or organic substance which kills fishes.

Glossary: ichthyofauna

February 15th, 2012 — 3:31pm

The fish life inhabiting a particular habitat, country, or region.

Glossary: ichthyolite

February 15th, 2012 — 3:31pm

A fossil or fossilized part of a fish.

Glossary: ichthyology

February 15th, 2012 — 3:31pm

Branch of zoology concerned with the study of fishes.

Glossary: ichthyophagous

February 15th, 2012 — 3:31pm

Eating or otherwise subsisting on fishes.

Glossary: ichthyotoxin

February 15th, 2012 — 3:31pm

Any toxic substance derived from fishes.

Glossary: ICZN

February 15th, 2012 — 3:31pm

Abbreviation for The International Commission on Zoological Nomenclature, the organisation responsible for producing and regulating the International Code of Zoological Nomenclature.

Glossary: ICZN Code

February 15th, 2012 — 3:31pm

The International Code of Zoological Nomenclature, the current edition of which is located here.

Glossary: identification key

February 15th, 2012 — 3:31pm

Printed or computer-aided table or other device assisting identification of species. Normally presented in the form of a single-access key.

Glossary: igapó

January 20th, 2013 — 6:07pm

Type of seasonally-inundated floodplain forest in the Amazon region. The term is normally used for those forests flooded by blackwater rivers.

Glossary: igarapé

January 20th, 2013 — 3:16pm

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

February 15th, 2012 — 3:31pm

A body of water, such as a reservoir, formed by artificially-aided accumulation and storage.

Glossary: in-situ

February 15th, 2012 — 3:31pm

In its original place or position.

Glossary: in-situ conservation

February 15th, 2012 — 3:31pm

Process of protecting and maintaining an organism within its natural habitat.

Glossary: inbreeding

February 15th, 2012 — 3:31pm

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

February 15th, 2012 — 3:31pm

Reduced fitness in a given population or group of organisms as a result of inbreeding.

Glossary: incertae sedis

February 15th, 2012 — 3:31pm

In zoological nomenclature, of uncertain taxonomic position.

Glossary: incipient

February 15th, 2012 — 3:31pm

Beginning to appear or develop, e.g., emergence of anatomical structures during a larval stage.

Glossary: incisiform

February 15th, 2012 — 3:31pm

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.