Results for “sp.”

sponge filter

A basic air-powered filter which draws water through a sponge before returning it to the aquarium. Typically used in small aquaria where gentle water flow is required, or when raising fry.

Used in 277 profiles

type

Can be used to refer to any taxonomic group, the characteristics of which are used for defining related, higher or lower ranking groups. For example, the type of a nominal species is a specimen (type specimen), the type of a nominal genus is the nominal species (type species), and the type of a nominal family is the nominal genus (type genus).

Used in 783 profiles

rostral spine

Median dorsal structure located on the snout in certain fishes.

spawn

The eggs of fishes and other aquatic organisms; to deposit and fertilise such eggs.

Used in 673 profiles

spawning

The act of releasing and fertilising eggs in fishes.

Used in 988 profiles

specific gravity

Ratio of the density of a liquid to the density compared with pure water. Often used to deduce the salinity of aquarium water and measured using a hydrometer or refractometer.

Used in 6 profiles

specimen

Individual organism regarded as typical of the group or class to which it belongs; the whole or part of such an organism collected and preserved for scientific purposes.

Used in 1,087 profiles

speckled

Covered in small marks of colour.

Used in 6 profiles

spiracle

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

Used in 13 profiles

sport

In biology, to result in or undergo a mutation; an individual having undergone this process.

Used in 25 profiles

sport fish

Fish targeted by recreational anglers.

Used in 16 profiles

spot

In fishes, a small, usually roundish marking that differs in colouration or texture compared with the surrounding surface.

Used in 789 profiles

binomial name

The two part name of a species used in zoological nomenclature comprising generic (for the genus) and specific (for the species) names which form the full scientific name when combined, e.g. Carassius auratus.

biotope

An area of uniform environmental conditions and species distribution containing a specific assemblage of plants and animals. Similar to 'habitat' but refers to a biological community rather than a single species or population.

Used in 313 profiles

ex gr.

Abbreviation of the Latin ex grege, meaning 'from the herd, of the group'. Sometimes used between the generic and specific parts of a binomial name when the precise species is not known but the organism can be identified as belonging to a named group of species.

Used in 2 profiles

invasive

Most commonly used in reference to a native or non-native species with the tendency to spread widely that does or is likely to cause environmental, economic and/or ecological harm, though may also be applied to widespread, usually non-native, species that do not exert such adverse effects.

Used in 13 profiles

milt

The seminal, sperm-containing fluid of a male fish; male reproductive glands when they contain sperm.

Used in 145 profiles