Morphology of a bony fish
with skin covered with scales. It lives in water and is usually oviparous.
: sight organ of a fish.
: pair of rigid plates covering and protecting the gills
of a fish.
: central line dividing a fish lengthwise.
: spine travelling the length of a fin.
: locomotive limb situated on the back of a fish.
: locomotive limb situated at the end of a fish.
: locomotive limb situated behind the anus of a fish.
: locomotive limb situated beneath the pelvic girdle
of a fish.
: each of the small hard plates covering a fish.
: locomotive limb situated at the chest of a fish.
: lower jaw.
: entrance of the digestive tract.
bone forming the upper jaw.
EN : Aquatic
FR : Vertébrés
ES : Aquellos
Aquatic vertebrates that are cold-blooded,
covered with scales, and equipped with two sets of paired fins and several
unpaired fins. Aquatic vertebrates are abundant in the sea and in fresh
water, with species being known from mountain streams as well as in the
deepest depths of the ocean. They are of tremendous importance as food
for people around the world, either collected from the wild or farmed
in much the same way as cattle or chickens. Fish
are also exploited for recreation, through angling and fishkeeping, and
fish are commonly exhibited in public aquaria.