- A
reef is a
ridge or
shoal of rock, coral, or
similar relatively stable material lying beneath the
surface of a
natural body of water. Many
reefs result...
- A
coral reef is an
underwater ecosystem characterized by
reef-building corals.
Reefs are
formed of
colonies of
coral polyps held
together by
calcium carbonate...
- The
Great Barrier Reef is the world's
largest coral reef system,
composed of over 2,900
individual reefs and 900
islands stretching for over 2,300 kilometres...
- Look up
reefing in Wiktionary, the free dictionary.
Reefing reduces the area of a sail,
usually by
folding or
rolling one edge of the
canvas in on itself...
-
species of
reef-****ociated
sharks which are
known by the
common name
reef sharks. In the
Indian and
Pacific Oceans:
Blacktip reef shark Grey
reef shark Whitetip...
-
scarp in
South Africa Great Barrier Reef or "The
Reef", the planet's
largest coral reef The
Reef or The
Reefs, a
former mansion in Newport,
Rhode Island, in...
-
Reef is a
brand of
casual sandals,
known as flip-flops (Australia: thongs, New Zealand: jandals),
created by two
Argentine brothers,
Fernando and Santiago...
- The
Pacific reef heron (Egretta sacra), also
known as the
eastern reef heron or
eastern reef egret, is a
species of
heron found throughout southern Asia...
-
Kingman Reef (/ˈkɪŋmən/) is a
largely submerged, uninhabited, triangle-shaped
reef,
geologically an atoll, 9.0 nmi (20 km) east-west and 4.5 nmi (8 km)...
- A
reef aquarium or
reef tank is a
marine aquarium that
prominently displays live
corals and
other marine invertebrates as well as fish that play a role...