Factory trawler: A large
ship equipped to catch, clean and freeze
fish for market.
Family: In biology, a
category that's part of the scientific system
for grouping together related plants, animals,
and other organisms (kingdom, phylum, class,
order, family, genus, species). Family is
the category that ranks below an order and
above a genus.
Fat innkeeper worm: A
wormlike invertebrate that burrows in mud;
it's called the innkeeper because many other
small animals come to live in its burrow.
Fault: A break in the
rocks of the earth's crust along which movement
may occur, causing earthquakes.
A marine worm that lives in a leathery tube
and sticks out a bright orange or purple
crown of soft, feathery gills. When disturbed,
it pulls the gills into the tube lightning-fast.
Feces: Solid waste that
passes out of an animal's digestive tract.
Fecundity: Number of
eggs an animal produces each reproductive
cycle; the potential capacity of an organism
Feral: Wild, used to
describe animals that are usually not domesticated,
like cats or pigs.
Fertilisation: The process
in which the nuclei of a sperm and ovum
join to make a new living thing.
used to make plants grow faster.
Fetch: The distance over
the water's surface that the wind blows
to generate waves.
Fillet: To cut a slice
off the side of a fish.
Filter feeder: An animal
that eats by filtering or straining small
particles of food from the water.
out of wastes and turbid water (in aquariums).
Fins: In snorkelling
or diving, footwear used to propel body
forward. Sometimes called flippers.
Fiord: An estuary that
occurs in a deep, narrow, drowned valley,
originally formed by glaciers.
First aid: Immediate
help given to a person who has been injured
before they go to hospital.
First order consumer:
Animal that eats a producer.
The effort to regulate where, when and how
people fish, and how many fish they catch,
to protect fish populations so that people
can continue to fish. Most fisheries management
is done by government agencies such as the
U.S. National Marine Fisheries Service.
Fishery: The organized
harvest of a certain species of fish or
Fish pens: Large tough
plastic holding tanks for fish grown in
Fishing pressure: The
amount of fishing for a certain species
of fish or shellfish. If there's heavy fishing
pressure on sharks, it means that lots of
sharks are being caught by fishers.
Flares: Safety devices
that are used to attract attention at sea.
Can use smoke or parachute.
Flatfishes: A general
term for fishes like flounder, sole and
halibut that are flattened for life on the
Flat porcelain crab:
A small crab with a smooth, shiny shell
that lives in the intertidal zone.
Floating platforms: Structures
used by tour operators to moor charter vessels
on a reef also known as pontoons.
Flounder: A fish with
a flattened body adapted for life on the
Flukes: The flat tail
flippers of a whale or other marine mammal.
Food chain: The relationship
between plants and animals that shows who
eats what. Energy is transferred from one
organism to another through the food chain.
Food web: Interconnected
food chains in a community; an abstract
representation of the various pathways of
energy flow through populations in a community.
Forward: The front section
of a boat. To move ahead.
Fouling organisms: An
assortment of benthic organism (such as
barnacles, sponges and algae) that settle
on boats, clog underwater pipes, and generally
cause problems to marine vessels.
Freeboard: The vertical
distance from the gunwale of a boat to the
waterline measured amidships.
Frond: A long, feathery
leaf, or the leaflike blade of a kelp plant
or other sea plant.
Fungal: Having to do
with a mold, mushroom or other fungus.