Aquaculture Vocab

Ecosystem

A biological community of interacting organisms and their physical environment.

Food Web

A community of organisms where there are several interrelated food chains

Energy Pyramid

A diagram that shows the amount of energy that moves from one feeding level to another in a food web

Estuary

A habitat in which the fresh water of a river meets the salt water of the ocean.

Turbidity

A measure of how clear water is.

Salinity

A measure of the amount of dissolved salts in a given amount of liquid

DO Dissolved Oxygen

A parameter of OWI, 2 sources of dissolved oxygen in streams: atmosphere and algae

Eutrophication

A process by which nutrients, particularly phosphorus and nitrogen, become highly concentrated in a body of water, leading to increased growth of organisms such as algae or cyanobacteria.

Food Chain

A series of steps in which organisms transfer energy by eating and being eaten

Fiber

A tough complex carbohydrate that the body cannot digest

Jawless Fish

Agnatha Parasitic fish that have skeletons made of cartilage but lack a proper skull.

Proteins

Amino Acids

Vertebrate

An animal with a backbone

Invertebrate

An animal without a backbone

Heterotroph

An organism that cannot make its own food.

Autotroph

An organism that makes its own food

pH

An organism's physical appearance, or visible traits.

Mouth Brooding

Babies can stay in the mouths of their mothers when predators come.

Carbohydrates

Broken down to simple sugars

Pearson Square

Commonly used to balance food when combining two foods or supplements

DWC

Deep water culture

Pelagic

Describing organisms that live in the water column away from the ocean bottom.

Lipids

Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.

Percidae

Family of the yellow perch

Open Aquaculture System

Fish held by nets but within a natural body of water

Bony Fish

Fish that have skeletons made of bone and scaly skin Osteichthyes

Adult

Fully Grown fish

Closed Aquaculture System

Fully contained ponds that are separate from natural bodies of water

Bi Nominal Nomenclature

Genus Species

Fish Kidney

Help with fish moving from salt water to fresh water.

Semi-Open Aquaculture System

In a facility outside.

Nitrate

NO

Salmonidae

Name a type of fish in the family that is defined by the following

Marine

Native to or inhabiting the sea

Gravel bed

Nutrient film on the bottom of the tank

NTF

Nutrient film technique

Fish Gills

Oxygen absorbed by Gill filaments/transported by blood

Internal fertilization fish

Process in which eggs are fertilized inside the female's body

Aquaculture

Raising and harvesting fish and marine life in ponds or other bodies of water

Broodstock

Seed production for aquaculture; manipulate conditions to encourage spawning, or do it manually

Lateral Line

Sensitive receptor system that enables fish to detect gentle currents and vibrations in the water

Modes of reproduction

Sexual and Asexual

Cartilaginous Fish

Skeleton made of lighter cartilage, have lateral line, has jaws, has replaceable teeth, and an example is sharks, skate fish, and stingrays. Chondrichthyes

Alvin

Small baby fish

De- Chloronation

Taking out the chlorine

Aquaponics

The combination of fish farming and growing plants without soil (hydroponics).

Pectoral Fin

The function of this fin is to provide lift

Fish Liver

The livers of fish do normal liver functions such as detoxicate blood/create bile. Plus stores extra fate.

External Fertilization egg laying

The process by which the female lays eggs and the male fertilizes them once they are outside of the female

Fish Heart

Two main chambers, one atrium and one ventricl

Ammonia

Water Pollutan

Recirculating

incoming water --> holding tank --> filter --> holding tank

Fish life cycle

larval dispersal -> nursery area -> recruitment -> growth

Sac Fry

newly hatched fry that still has the yolk sac attached

Juvenile

not fully grown; immature

Dorsal Fin

on backs of many orcas and whales that help them swim

Brackish

slightly salty

Pelvic Fin

stabilizer

Caudal Fin

the large fin at the rear of a fish that serves as the fish's propeller and rudder

Hydroponics

the method of growing plants in a solution of nutrients instead of in soil

Fish Scales

thin, bony plates formed from skin

Cyprinoformes

typical freshwater fishes in which the upper jaw is usually protractile; the mouth (jaws and palate) is always toothless; the adipose fin is absent; the head almost always scaleless; and barbels are either present or absent.

Dead Zone

a location within a body of water that does not have enough dissolved oxygen to sustain life.

Pyloric Caecum

a pouch that is at the beginning of the large intestine.

Swim Bladder

an air-filled sac near the spinal column in many fishes that helps maintain buoyancy

Anal Fin

balance

Benthic

bottom of an aquatic ecosystem; consists of sand and sediment and supports its own community of organisms

Siluriformes

catfish

Saline

consisting of or containing salt