WEEVER

This article appears in Volume V28, Page 467 of the Encyclopedia Britannica.

Encyclopedia Britannica - Main :: WAT-WIL

WEEVER . The weevers (Trachinus) are small marine fishes which are common on the coasts of Europe, and which have attained notoriety from the painful and sometimes dangerouswounds they are able to inflict upon those who incautiously handle them. They belong to a family of spiny-rayed fishes (Trachinidae), and are distinguished by a

long

LONG, GEORGE (1800-1879)
LONG, JOHN DAVIS (1838– )

low

body

BODY

with two dorsal fins, the anterior of which is composed of six or seven spines only, the posterior being '

long

LONG, GEORGE (1800-1879)
LONG, JOHN DAVIS (1838– )

and many-rayed; their anal resembles in form and

composition

the second dorsal fin. The ventral fins are placed in advance of the pectorals, and consist of a spine and five rays. The caudal fin has the hind margin not excised. The

body

BODY

is covered with very small scales, sunk in and firmly adherent to the skin, but the upper surface of the head is bony, without integument. The head, like the body, is compressed, with the eyes of moderate size and placed on the side of the head; the mouth is wide, oblique. and armed with bands of very small teeth.
Several species of weevers are known, but two only occur on the British coasts, viz., the Greater Weever (Trachinus draco) and the Lesser Weever (T. vipera); the former is frequently found of a length of 12 in., and possesses some thirty rays in the second dorsal fin, whilst the latter grows only to about half that length, and has about ten rays less in the dorsal. The coloration of both is plain, but the short first dorsal fin is always of a deep black colour. The weevers are bottom

fish

, burying and hiding themselves in the

sand

SAND
SAND, GEORGE (1804-1876)

or between shinglethe lesser species living close inshore and the greater preferring deeper water, and being found sometimes floating on the surface at a distance of several miles from the shore. Al-though weevers, especially the lesser, are in the habit of burying themselves in the

sand

SAND
SAND, GEORGE (1804-1876)

, and are abundant in some localities much resorted to by bathers, accidents from stepping upon them are much more rare than from incautiously handling them after capture. They probably make their escape on perceiving the approach of a person. The wounds are inflicted by the dorsal and opercular spines, are very painful, and sometimes cause violent local inflammation. The spines are deeply grooved, and the poisonous fluid which is lodged in the grooves is secreted by small glands at their

base

BASE

. The flesh is not bad eating, and

great

GREAT

numbers of the larger species (T. draco) are brought to the Paris market. On the poisonous properties, cf. G. J.

Allman

ALLMAN, GEORGE
JAMES
(1812-1898)

, Ann. and Mag. N.H., vi. (1841), p, 161; L. Gressin, Contribution a l'e'tude de l'appareil a venin chez les poissons du genre Vive (Paris, 1884) ; W. N. Parker, Proc. Zool. Soc. (1888), p. 359; C. Phisalix,

Bull

. Mus. Paris (1899), p. 256; A. Briot, C. R. Soc. Biol., liv. (1902), pp. 1169 and 1199, and lv. (1903), p. 623.

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