Located posterior to the dorsal fin.

The distance between the dorsal fin insertion/origin and caudal fin base.

Located near or towards the rear end; further back in position.

Located behind the eye.

A transverse, hollow, pouch-like structure opening anteriorly and located on the ventral surface, immediately posterior to the mouth, in some members of certain balitorid genera, e.g., Gastromyzon, Neogastromyzon.

Behind the eye.

Migratory within freshwaters such as rivers or streams.

Type of submersible water pump normally used to create additional water flow in an aquarium. One or more may be installed depending on requirements.

Antihelmintic medication used to treat parasitic flatworm infestations.

Anterior; in front of.

Area or region anterior to the anus.

Distance between the tip of the upper jaw to the anus.

In front of the caudal fin or posterior end of the body.

An organism capturing and consuming other organisms.

Preying on other organisms.

Area or region anterior to the first dorsal fin.

Distance between the tip of the upper jaw and inseryion/origin of first dorsal fin..

Any of the scales lying on the dorsal midline between the back of the skull and insertion/origin of the dorsal fin.

A preliminary filter or filter stage, most often used to trap solid particles via mechanical filtration prior to a biological or chemical stage.

Able to grasp or hold.