Common dragonet (Callionymus lyra)
|Researched by||Judith Oakley||Refereed by||Admin|
|Other common names||-||Synonyms||-|
Recorded distribution in Britain and IrelandWidespread all along the coasts of Britain and Ireland.
Global distributionEast Atlantic, Southern Iceland, Central Norway south to Mauritania including the Northern Mediterannean, western Black Sea, Azores, Madeira and Canaries, Gibralter and Algeria.
HabitatDemersal, found in the sublittoral to depths of 430 m. More usually at depths of 5 to 50 m. Mainly a temperate species in waters 16-20 °C. Callionymus lyra lives on the sea bed, often partially buried in sand or shell gravel.
- Flattened body without scales.
- Triangular head when viewed from above.
- Eyes on top of head.
- Two dorsal fins, the first one triangular, tall and sail-like.
- Colourful males with long first ray in first dorsal fin.
- Sharp spines on pre-operculum.
- Second dorsal and anal fin membrane with bright blue horizontal lines.
- Usually 9 rays in second dorsal fin.
Additional informationDragonets are small fish of shallow inshore waters. They are demersal and often found partially buried in sand or shell gravel. Adaptations to this mode of life include the dorsally situated gill opening and the flattened body shape. The diet of Callionymus lyra consists mainly of polychaete worms, amphipod crustaceans and molluscs, especially cockles.
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This review can be cited as:
Last Updated: 17/04/2008