PISCES : Perciformes : CallionymidaeBONY FISH

Callionymus reticulatus Valenciennes, 1837

Reticulated dragonet


Callionymus reticulatus image: calret
Callionymus reticulatus

Description: The reticulated dragonet has a similar body shape to the common dragonet (Callionymus lyra) but tends to be much smaller, 8-10 cm in length compared with 20-30 cm. Both males and females have numerous pale blue spots on their sides and four dark saddle-like markings across the back. The saddle markings are surrounded by a clearly defined darker outline.

Habitat: The reticulated dragonet usually occurs on coarse sand or gravel from the low shore to 40 m depth.

Distribution: In the British Isles this species is restricted to southern and western coasts and the Irish Sea.

Similar Species: This species is similar to the common dragonet (Callionymus lyra) but can be distinguished by the sharply defined outline surrounding the saddle markings on the back.

Key Identification Features:

  • Flattened head and body
  • Triangular shaped head with eyes on top
  • Two dorsal fins, fist one triangular shaped
  • Blue spots on sides
  • Four saddle-like markings on back with sharply defined outline

Distribution Map from NBN: Callionymus reticulatus at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Callionymus reticulatus at iNaturalist World Species Observations database.

WoRMS: Callionymus reticulatus at World Register of Marine Species.

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 Picton, B.E., Keatley, L. & Morrow, C.C. (2026). Callionymus reticulatus. Valenciennes, 1837. [In] Encyclopedia of Marine Life of Britain and Ireland.
https://habitas.org/mbdp/species.php?item=ZG7020. Accessed on 2026-11-01