File:Grondin-perlon (Chelidonichthys lucerna) (Ifremer 00633-74485 - 29583).jpg

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The gurnard ( Trigla lucerna or Chelidonichthys lucerna ) is a fish living on sandy, muddy or gravel bottoms, between 20 and 300 m deep.

Summary

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Description
Français :

Le grondin-perlon (Trigla lucerna ou Chelidonichthys lucerna) est un poisson vivant sur les fonds de sable, de vase ou de graviers, entre 20 et 300 m de profondeur. On le trouve en Atlantique et en Méditerranée (surtout Méditerranée occidentale), ainsi qu'en Mer Noire.

Il est caractérisé par sa nageoire pectorale qui, lorsque l'individu se met à nager, montre sa face inférieure ornée d'un liseré bleu vif. On peut aussi observer une zone centrale noire tachetée de bleu. Cette coloration bleutée s'estompe avec l'âge. Le grondin-perlon a également la particularité (comme ses congénères de la famille des Triglidae) de produire un son lorsqu'il se sent en danger. Ce son, émis grâce à la vibration de sa vessie natatoire, lui vaut son nom vernaculaire de "grondin".

English:

The gurnard ( Trigla lucerna or Chelidonichthys lucerna ) is a fish living on sandy, muddy or gravel bottoms, between 20 and 300 m deep. It is found in the Atlantic and the Mediterranean (especially the western Mediterranean), as well as in the Black Sea.

It is characterized by its pectoral fin which, when the individual begins to swim, shows its underside decorated with a bright blue border. We can also observe a central black area speckled with blue. This bluish coloration fades with age. The gurnard-perlon also has the particularity (like its congeners in the Triglidae family) of producing a sound when it feels in danger. This sound, emitted thanks to the vibration of its swim bladder, gives it its vernacular name of "gurnard".
Date 24 April 2007 (upload date)
Source Grondin-perlon (Chelidonichthys lucerna)
Author Isabelle Cheret, Luisa Metral
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Bounding box
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N: 43.617688°N
W: 2.936035°E E: 5.47937°E
S: 42.530317°N
Keyword
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Fishes

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