Pomatoschistus norvegicus

Author: (Collett, 1903)

Pomatoschistus norvegicus (Collett, 1903)

Status in World Register of Marine Species:
Accepted name: Pomatoschistus norvegicus (Collett, 1902) (updated 2009-06-25)

Diagnosis: lateral line system with sub-orbital row a having several transverse rows around lower edge of orbit; row b ending anteriorly under posterior half of eye; transverse rows beneath row b include cp and 2 other rows descending through, or below level of, row d, at angle of jaws, middle and rear of latter row respectively; head canals with pores w and d. Eyes dorsolateral. Branchiostegal membrane attached to not more than anterior quarter of isthmus side. Predorsal area scaled but breast usually naked. Pelvic disc anterior membrane with villose rear edge. Caudal fin rounded. Dl VI; D2 I + 9-10 (8-10); A I + 9-10 (8-11); P 17 (16-18). Scales in lateral series 55-60. Vertebrae 32 (31-33). Colour: pale fawn, somewhat translucent, with faint darker reticulation and scattered ferruginous to orange dots; adult male with about 10-12 vertical dark striae across sides, pigmented breast and distal dark spot in rear of first dorsal fin; female without first dorsal spot and chin blotch. Size: to 6.5 cm.

Habitat: offshore mud and coarse shell deposits, 18-325 m. Reproduction: post-larvae, July-September (Plymouth). Hybridization: may interbreed with P. Iozanoi (De Buen, 1923) (Webb, 1980).

Distribution: eastern Atlantic (Lofotens to western English Channel) and Mediterranean.

Eggs, larvae and young stages. Fage, 1918: 78, fig. 64-65 | Lebour, l919b: 58, pl. 1 (fig. 2-3) | Padoa, 1953: 660, fig. 539.
Otoliths (sagitta). No data.