Results for “RNA”

rejected name

In zoological nomernclature, any name, available, unavailable, or vernacular, for a taxon other than its valid name. Also referred to using the Latin term nomen rejiciendum (nom. rej.).

scute

Horny, bony external plate or modified scale found in some fishes.

Used in 11 profiles

selective breeding

Intentional, normally controlled breeding of organisms favouring desirable or improved traits. Common in the ornamental fish hobby and industry.

Used in 4 profiles

skeleton

In vertebrates, the internal structure composed of bone and/or cartilage that supports the soft tissues and protects the internal organs.

Used in 15 profiles

skin

In vertebrates, the thin, membranous layer of external tissue forming the protective covering of the body.

Used in 399 profiles

spiracle

An external respiratory opening, located between the eye and gill opening in certain, usually primitive, fishes.

Used in 13 profiles

strain

In ornamental fishes, a group of related individuals developed via selective breeding and sharing common features not present in other strains of the same species.

Used in 44 profiles

stressor

Chemical or biological agent, environmental condition, external stimulus or event that causes stress to an organism.

Used in 1 profile

tankbuster

Vernacular term applied to fish species which grow to large for the vast majority of home aquaria. Most commonly appear in the trade at a small, and therefore more saleable, size.

Used in 3 profiles

trophotaenia

External, umbilical cord-like structure present in members of the family Goodeidae and some other fish groups responsible for transfer of nutrients between an adult female and her internally-developing young. May still be attached to fry at birth.

Used in 4 profiles

ventral-fin basket

Vernacular nerm used to describe the post-spawning behaviour of cupping or clamping of the ventral fins in order to transport fertilised eggs. Exhibited by females of some Corydoras species, for example.

viscera

The soft internal organs of the body.

wave maker

Electrical, often programmable, timing device that alternates power supply to multiple, submerged powerheads at predetermined time intervals. Most often used in marine aquaria to simulate natural wave action.

Western Ghats

Mountain range extending southwards down the western side of India from the borders of Gujarat and Maharashtra states, through Maharashtra, Goa, Karnataka, Tamil Nadu and Kerala as far as Kanyakumari district in Tamil Nadu. The Ghats are a UNESCO World Heritage Site and represent one of the eight hottest hotspots of biological diversity in the world, and is home to a number of endemic fish species.

Used in 44 profiles

white worm

Vernacular name for the annelid worm Enchytraeus albidus Henle, 1937, a species commonly cultured by aquarists for use as live fish food.

Used in 8 profiles

worms (parasite)

Any species of nematode worm which spends part of its life cycle as an internal parasite within a fish's intestinal system.

xanthic

Having a yellow or golden colour; a desirable and selectively-bred mutation in certain ornamental fishes but can also occur naturally.

Used in 5 profiles

xanthochromic

Of a yellow or golden colour; a desirable and selectively-bred mutation in certain ornamental fishes but can also occur naturally.