Spotted weever
Encyclopedia
The spotted weever, Trachinus araneus, is a fish
of the Trachinidae family, Perciformes
order, and Actinopterygii
class.
It is up to 45 cm long, brown
and yellow
on the head and back, paler below with darker spots along the sides. The shape of its body is long and laterally flattened, the mouth almost is vertical in the head. The front half of the first dorsal fin is black
and consists of three spines which are highly poisonous, as are the backward facing spines on the extremities of the gill covers..
The spotted weever lives close to the bottom down to about 100 m. It preferes a subtropical climate; the coordinates are 45°N - 18°S, 19°W -36°E.
The spotted weever can be found from Portugal
to Angola
and the Mediterranean. It is of minor commercial importance. It inhabitates at shallow water
s to about 100m depth near rocks and sea grass nearby, burrowing in the bottom. Just as other weevers, it feeds on small fishes and crustacean
s.
Fish
Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...
of the Trachinidae family, Perciformes
Perciformes
The Perciformes, also called the Percomorphi or Acanthopteri, is one of the largest orders of vertebrates, containing about 40% of all bony fish. Perciformes means perch-like. They belong to the class of ray-finned fish and comprise over 7,000 species found in almost all aquatic environments...
order, and Actinopterygii
Actinopterygii
The Actinopterygii or ray-finned fishes constitute a class or sub-class of the bony fishes.The ray-finned fishes are so called because they possess lepidotrichia or "fin rays", their fins being webs of skin supported by bony or horny spines , as opposed to the fleshy, lobed fins that characterize...
class.
It is up to 45 cm long, brown
Brown
Brown is a color term, denoting a range of composite colors produced by a mixture of orange, red, rose, or yellow with black or gray. The term is from Old English brún, in origin for any dusky or dark shade of color....
and yellow
Yellow
Yellow is the color evoked by light that stimulates both the L and M cone cells of the retina about equally, with no significant stimulation of the S cone cells. Light with a wavelength of 570–590 nm is yellow, as is light with a suitable mixture of red and green...
on the head and back, paler below with darker spots along the sides. The shape of its body is long and laterally flattened, the mouth almost is vertical in the head. The front half of the first dorsal fin is black
Black
Black is the color of objects that do not emit or reflect light in any part of the visible spectrum; they absorb all such frequencies of light...
and consists of three spines which are highly poisonous, as are the backward facing spines on the extremities of the gill covers..
The spotted weever lives close to the bottom down to about 100 m. It preferes a subtropical climate; the coordinates are 45°N - 18°S, 19°W -36°E.
The spotted weever can be found from Portugal
Portugal
Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...
to Angola
Angola
Angola, officially the Republic of Angola , is a country in south-central Africa bordered by Namibia on the south, the Democratic Republic of the Congo on the north, and Zambia on the east; its west coast is on the Atlantic Ocean with Luanda as its capital city...
and the Mediterranean. It is of minor commercial importance. It inhabitates at shallow water
Water
Water is a chemical substance with the chemical formula H2O. A water molecule contains one oxygen and two hydrogen atoms connected by covalent bonds. Water is a liquid at ambient conditions, but it often co-exists on Earth with its solid state, ice, and gaseous state . Water also exists in a...
s to about 100m depth near rocks and sea grass nearby, burrowing in the bottom. Just as other weevers, it feeds on small fishes and crustacean
Crustacean
Crustaceans form a very large group of arthropods, usually treated as a subphylum, which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill and barnacles. The 50,000 described species range in size from Stygotantulus stocki at , to the Japanese spider crab with a leg span...
s.