Final Vocab

Question 1

Redox potential

Answer 1

The oxidation and reduction process, when electrons are lost from one Atom or molecule and gained by another.

Question 2

Reef aquarium

Answer 2

An aquarium that incorporates invertebrates and is similar to a reef in appearance, compared with a fish only set up.

Question 3

Refugium

Answer 3

An area that has remain unaffected by changes in climate over a period of time that have affected neighboring areas, and thus has a more ancient flora and Fauna.

Question 4

Reverse- flow filtration

Answer 4

A biological filtration system in which water flows up into the tank through the base covering instead of having the more usual downward flow.

Question 5

Reverse osmosis

Answer 5

A technique whereby water is forced through a membrane in the reverse way to osmosis, so that the mineral salts are left behind, resulting in pure water.

Question 6

Rotifers

Answer 6

Planktonic organisms, used as first food for the Fry of many marine fish.

Question 7

Salinity

Answer 7

The measure of saltiness of aquarium water. The hobbyist can measure salinity and specific gravity as one and the same.

Question 8

Seagrass

Answer 8

An important retreat for the young of many marine fish, close in sure. Also known as eel grass

Question 9

Sexual reproduction

Answer 9

Reproduction in which the eggs of the female are fertilized by the sperm of the male.

Question 10

Silicone sealant

Answer 10

A slightly flexible adhesive used to bond glass or stop leaks in aquaria, or to create rock and coral formations in the aquarium itself.

Question 11

Siphon

Answer 11

(1) length of tube used to move water from one vessel to another. (2) the inhalant and exhalant organs of a mollusk.

Question 12

Spawning

Answer 12

The part of the reproductive process involving fertilization of eggs.

Question 13

Species only set up

Answer 13

An aquarium that is restricted to displaying just one species

Question 14

Specific gravity

Answer 14

(SG) The ratio of the density of a measured liquid to the density of pure water. Natural seawater has an SG of around 1.025, but Marine aquarium fish are normally kept at 1.020-1.023

Question 15

Spirulina

Answer 15

A type of marine algae highly valued as fish food, available in various formulated diets created especially for herbivorous fish

Question 16

Stripping

Answer 16

The process by which the crust of a Gorgonian (the part housing the polyps) falls away.

Question 17

Substrate

Answer 17

Aquarium base covering

Question 18

Sump

Answer 18

And under tank reservoir that usually holds a trickle filter, mechanical and chemical filters, as well as probes and reactors.

Question 19

Sushi noir

Answer 19

A type of food use for some aquarium fish, which is more commonly sold through human food outlets.

Question 20

Sweeper tentacles

Answer 20

Long tentacles used by aggressive hard corals to sting other nearby corals in order to establish a territory

Question 21

Swim bladder

Answer 21

The hydrostatic Organ enabling fish to maintain their chosen depth and position in water

Question 22

Total system

Answer 22

And aquarium with built in sophisticated filtration and other management systems, providing full water treatment.

Question 23

Trace elements

Answer 23

Elements found in seawater in very small quantities, often much less than one ppm

Question 24

Trickle filter

Answer 24

A biological filter, filled with inert media.

Question 25

Tunicate

Answer 25

See squirts and related organisms belonging to the subphylum to Tunicata

Question 26

Turnover

Answer 26

The water flow rate through a filter. For Marine aquarium a high turnover is recommended.

Question 27

Ultraviolet sterilizer

Answer 27

And ultraviolet light tube, enclosed in a water jacket, through which aquarium water is passed to sterilize it.

Question 28

Undergravel filter

Answer 28

The substrate of an aquarium used as a biological filter

Question 29

Valve

Answer 29

In bivalves, 1/2 of a two valve shell.

Question 30

Vent

Answer 30

In fish, the urogenital opening found between the anus and the anal fin

Question 31

Ventral

Answer 31

Situated at, or related to, the lower bottom side or surface.

Question 32

Ventral fins

Answer 32

Pelvic fins

Question 33

Water change

Answer 33

The replacement of a proportion usually 20 to 25% of aquarium water with fresh sea water mix.

Question 34

Zooanthellae

Answer 34

Symbiotic algae found within the tissue of many curls, and anemones and clams.

Question 35

Zooplankton

Answer 35

Extremely small animals and their larval stages that drift in the water